Heat Pumps Today - April 2015

HEAT PUMPS TODAY IS NOW ENERGY CPD APPROVED READING

ESSENT IAL INFORMATION FOR INSTALLERS APRIL 2015

www.heatpumps.today

GHE SOLAR CASE STUDY

P22 CUTTING COSTS AND CARBON

KENSA WESTWOOD

P14 MICRO DISTRICT SYSTEM

P08 SIRACH UPDATE P18 DIMPLEX – COMMERCIAL GAINS

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OUT & ABOUT

P26 THE ABSOLUTELY CLEVER HEAT PUMP

01 Front Cover.indd 3 31/03/2015 11:50

JUST ADD AIR.The new NIBE F2040 air source heat pump range offers the installer a ‘World of

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intelligent controller with easy to use colour display and featuring NIBE Uplink.

Read more about our air source heat pumps at www.nibe.co.uk

• New air source heat pump for residen-tial & commercial buildings

• Produced in three sizes 8kW, 12kW & 16 kW

• Both heating & cooling functions

• Compact design

• Inverter Controlled compressor

• Built in condensate water tray

• An advanced new generation control-ler with easy to use controls and colour display

• Compatible with NIBE Uplink to connect to the internet for complete control anywhere

• HA-WH5-Megacoil available in 5 sizes including solar versions with 25 year guarantee

• NIBE F2040 together with SMO 20/40 and HA-WH5-Megacoil gives you a complete solution for heating/cooling and domestic hot water

AIR SOURCE HEAT PUMP

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NIBE™ SMO20/40 & NIBE™ HA-WH5-MEGACOIL | INDOOR MODULE

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FEAT

URES

PUBLISHERJuliet LoiselleTel: 01778 [email protected]

MANAGING EDITORWill HawkinsTel: 01778 [email protected]

EDITORIAL CO-ORDINATORDiane GilbertsonTel: 01778 [email protected]

EDITORIAL DESIGNDean Cole

ADVERTISING DESIGNDevelopment Design

ADVERTISING SALESKatrina BrowningTel: 01778 [email protected]

MULTIMEDIA SALES REPRESENTATIVEJames KnightTel: 01778 [email protected]

PRODUCTS & AWARDS ORGANISERShelley Bright Tel: 01778 391172 [email protected]

PRODUCTION Sue WardTel: 01778 [email protected]

PUBLISHED BY:Warners Group Publications Plc The Maltings, West Street, Bourne,Lincs, PE10 9PH Tel 01778 391000Fax 01778 394748 www.warnersgroup.co.uk © Copyright 2015

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Heat Pumps Today is published bi-monthly.The views expressed by contributors are not necessarily those of the Publishers. Every care is taken to ensure that the contents of the magazine is accurate but we assume no responsibility for any effect from errors or omissions.

EDITOR’S LETTERRE

GULA

RS

14

TRAINING12 Apprentices – NIBE Leads the Way13 Worcester Helps Delegates Keep Warm and Cool

in Training

DISTRICT HEATING13 Waste Heat in Your Home - DECC14 Micro District System Scores a First in Social

Housing - Kensa

COMMERCIAL HEAT PUMPS18 Commercial Gains – Dimplex Blog Post19 Ecobuild 2015 Preview

INSTALLATIONS20 Milk shed conversion harnesses Stiebel Eltron

technology to create home of the future21 GSHP Retro� t Solution for a Surrey Gatehouse -

Spire Renewables22 Cutting costs and carbon with a heat pump,

solar and wind - GHE Solar

COMPANY PROFILE24 Lordan UK

04 News06 HPA Update 08 SIRACH Update10 Kensa Column 26 Out and About with Will Hawkins27 Changing Faces28 Hot Shots29 Classi� eds

CONTENTS

Visit us @ www.heatpumps.today

THIN ON THE GROUND? With Ecobuild here again, it is remarkable how few of the heat pump manufacturers or solutions companies are visible on the exhibitor list.

One reason might be that a handful of the companies are on their customer’s stand to support them. Another reason might be that the manufacturers are marketing themselves in different ways at the moment.

The challenge with exhibitions is that they are expensive ways for visitors to � nd out what new things are happening with their suppliers. Taking a day or two out of your schedule to go to a show as an installer is a tough decision to make.

The marketing trend amongst the heat pump manufacturers, it appears, has moved from attending an industry exhibition with a stand to running their own direct events, in the form of roadshows, or direct, online marketing using content and advertising.

There is little evidence of a shortage of heat pump installation

projects out there. Just a shortage of time to do anything which does not directly generate revenue. which does not directly generate revenue.

Will Hawkins, Editor | [email protected]

APRIL 2015 03

Heat Pumps Today – March issue 2015CONTENTS PAGE

Thin on the Ground? With Ecobuild here again, it is remarkable how few of the heat pump manufacturers or solutions companies are visible on the exhibitor list. One reason might be that a handful of the companies are on their customer’s stand to support them. Another reason might be that the manufacturers are marketing themselves in different ways at the moment. The challenge with exhibitions is that they are expensive ways for visitors to � nd out what new things are happening with their suppliers. Taking a day or two out of your schedule to go to a show as an installer is a tough decision to make. The marketing trend amongst the heat pump manufacturers, it appears, has moved from attending an industry exhibition with a stand to running their own direct events, in the form of roadshows, or direct, online marketing using content and advertising. There is little evidence of a shortage of heat pump installation projects out there. Just a shortage of time to do anything which does not directly generate revenue.

About our front cover: Lordan UK

Contents page Image: <Contents page Image> <Croft House drilling 2> P. 14

Contents

Regulars

04 News06 HPA Update 08 SIRACH Update10 Kensa Column 26 Out and About with Will Hawkins27 Changing Faces28 Hot Shots29 Classi� eds

Features

TRAINING12 Apprentices – NIBE Leads the Way13 Worcester Helps Delegates Keep Warm and Cool in Training

DISTRICT HEATING13 Waste Heat in Your Home - DECC14 Micro District System Scores a First in Social Housing - Kensa

COMMERCIAL HEAT PUMPS18 Commercial Gains – Dimplex Blog Post19 Ecobuild 2015 Preview

INSTALLATIONS20 Milk shed conversion harnesses Stiebel Eltron technology to create home of the future21 GSHP Retro� t Solution for a Surrey Gatehouse - Spire Renewables22 Cutting costs and carbon with a heat pump, solar and wind - GHE Solar

COMPANY PROFILE24 Lordan UK

About our front cover: Lordan UK www.lordan-uk.com

Micro district heating

Contents.indd 3 31/03/2015 11:54

04 APRIL 2015

NEWS

LG Electronics has joined the Heat Pump Association and renewed its membership of HEVAC – both under the auspices of FETA – a trade association comprising of six individual associations.

“The increase in our activity in the air source heat pump sector warrants us having a serious input to this association and we look forward to sharing the bene� ts of membership of the HPA with the other members,” said Jody Lees, Head of LG Air Conditioning and Energy Solutions.

The LG Therma V air to water heat pump range is being speci� ed in an increasing number of projects

across the UK, responding to both refurbishment and new build opportunities – with the range starting with a small 3kW unit. Available in split and monobloc formats, the company’s true all-in-one Monobloc unit (3-16kW) makes installation as simple as it gets saving time and money for the contractor and a quieter option for the homeowner. It is energy saving too – with the LG BLDC inverter compressor using as much as 40% less electricity than a typical AC motor at low speeds and 20% less at high speeds.

More information on these sector leading ASHPs can be found at: http://partner.lge.com/uk.

Commercial renewable energy installer TGE Group has won a £1 million contract to install a 1300 kW ground source heat pump (GHSP) system to provide heating and cooling in four poultry units in a Shropshire farm. When complete, the project will be the UKs largest GHSP installation in the sector.

The complete project will be ready later this Spring and, when � nished, it will have four units containing 50,000 birds in total. The installation consists of � ve Geo Qube GSHPs, which are designed especially for the poultry industry. The heat pumps will provide reactive heating and cooling for the units.

The solution has 10,000 metres of vertical bore holes, which will provide ‘highly controlled temperature loads’ of 33°C, which drops to 20°C across the crop cycle. Base heating comes from under� oor heating and fan coil units will trim the heat. This means precise internal temperature is controlled across several zones.

To ensure the birds gain weight in a controlled manner in a comfortable environment, the system has � oor, air and humidity sensors. Fan coils cool the units in warm weather and also reduce the heat and humidity, working alongside the ventilation to put heat charge into the well � eld.www.tge-group.co.uk

LG JOINS HEAT PUMP ASSOCIATION

TGE GROUP WINS £1M GROUND SOURCE HEAT PUMP INSTALLATION CONTRACT

DISTRICT HEATING DESIGN CPD FROM REHAUSpeci� ers and consultants who want to learn more about designing ef� cient district heating schemes can now bene� t from an updated CPD delivered by pipework specialists Rehau.

The RIBA and CIBSE approved CPD ties in closely with some of the key messages of the newly published CIBSE/CHPA Heat Network Code of Practice. The educational CPD has been developed to provide an insight into the options available in terms of heat sources and pipework materials for district heating schemes, and the considerations which need to be taken into account in specifying, designing and installing the pipe networks.

It gives a clear overview of the principles and advantages of district heating and sets out the current � nancial incentives available under the terms of the RHI. Importantly, it also includes information on the advantages and disadvantages of different carrier pipes and pipe insulation materials and explains the key data which is required to accurately size a pre-insulated pipe network for optimum ef� ciency.

Steve Richmond, Business Team Manager for Rehau’s renewable energy products, is encouraging speci� ers to inform themselves as much as possible about best practice pipe network design because of the impact this can have on both the thermal performance and capital costs of any scheme.

He says: “On large scale projects in particular, where there are signi� cant lengths of pipework, the focus needs to be on reducing installation costs, reducing pipe diameters where possible and considering diversity.

“This can be achieved in line with the new Heat Network Code of Practice and Rehau is set up to give tailored advice to consultants, speci� ers and contractors on individual applications.”

News.indd 4 31/03/2015 11:55

APRIL 2015 05

NEWS

In February Max Haliwell of Mitsubishi Electric set off on a charity fundraiser, in aid of Save the Children - a 550km cycle ride across Cambodia and Vietnam with fellow Mitsubishi Electric Staff and a group of clients. The fund where the money will be directed is the emergency fund for the ebola crisis.

The trip was funded by Mitsubishi Electric and any donations will go direct to the charity.

Amongst those who sponsored Max’s bike ride are One Planets

Consultants, Rolton Group, TSG Building Services and Heat Pumps Today magazine.

The group cycled 550km in six days amidst various gruelling conditions – sickeness, hospital visits, stitches, extreme heat, cows in the road. They met their fundraising target and raised over £100k for Save the Children. Congratulations!

For more details and/or to make a donation, please visit: www.justgiving.com/Max-Halliwell2

FRIGESCO TO PRESENT LATEST FLASH DEFROST FINDINGS IN MONACOFrigesco will be presenting the latest developments on its energy saving system for refrigeration equipment to investors and policy makers at the ‘CleanEquity’ event in Monaco in early March.

Frigesco won ‘Refrigeration Product of the Year’ at the recent National ACR Awards in Birmingham for its � ash defrost technology, which impressed the judges with its innovation. The technology collects waste heat in retail refrigeration systems, which it used for ‘low energy defrosting’. In turn, this can lower the energy needed for cooling in supermarkets by 20%.

David Walter, managing director of Frigesco, said, “It is another important step in our journey to develop and communicate the bene� ts of � ash defrost. The results from the � rst � eld trials are now beginning to come back, and as anticipated prove the outstanding ef� ciency of the system.

“We are now talking to some of the world’s largest retailers and manufacturers about the next steps in implementing � ash defrost. After four years of research and development and proving trials, we believe 2015 will be an important year for us and provide the springboard for commercial take off.”

Frigesco is extending the scope of its � ash defrost systems into air source heat pump technology. The company recently won funding from DECC (Department of Energy and Climate Change) to develop the technology to work with air source heat pumps.

Working with heat pump manufacturer Glen Dimplex in a joint venture, they will be looking at how to apply the technology to make heat pumps an even more sustainable and ef� cient solution for heating and cooling.

Frigesco directors - Robin Campbell, Richard Willmott,Tom Davies, David Walter and Bob Arthur

GREEN ENERGY RED TAPE WRANGLE SLOWS FUEL POVERTY ACTION IN SCOTLAND – BUT NOT ENGLANDGreen heat technology which could remove Scots households from fuel poverty is being sti� ed by restrictive planning conditions, according to industry body Scottish Renewables. Complex and costly heat pump restriction does not apply south of the border and the industry body is arguing for change to Scots law to reverse 13% gap.

Air source heat pumps, which can warm buildings using a fraction of the energy of conventional gas boilers, are subject to complex building regulations in Scotland – but not in England and Wales.

Figures from energy regulator Ofgem show only 26% of domestic renewable heat installations in Scotland are air source heat pumps, compared to a UK average of 39%.

Scottish Renewables, which represents more than 300 organisations working in renewable energy, is working with government to have the planning rules – known as permitted development rights – changed.

Stephanie Clark, Policy Manager at Scottish Renewables, said: “Heat pumps are a fantastic tool with which to combat fuel poverty. Scotland has ambitious renewable heat targets and this is technology which can help us reach them.

“In England and Wales, homeowners can install an air source heat pump without the need to apply for planning permission. In most cases in Scotland, they must do so.

“This adds a signi� cant hurdle in terms of time and expense, and is putting many people off.”

HEAT PUMPS TODAY SPONSORS CHARITY BIKE CHALLENGE

News.indd 5 31/03/2015 11:56

06 APRIL 2015

HPA UPDATE

HPA Update March 2015This month we focus on Inspector Clouseau, or more precisely on a line from a recent movie, where Inspector Clouseau refers to “Yuri the Trainer, ….who trains”. This amusingly points out that ideally we should actually do what we say we do. Training should be just that, training, not a costly waste of time. Therefore the focus is on Training, and in particular the initiatives emanating from MCS & DECC and what we can expect.

Both MCS & DECC have initiatives on Training as indicated and although not formally linked MCS do

have some representation on the DECC sub group. Both recognise this area needs urgent attention and hopefully decisive action. Although the whole process is far from what would be desirable or possibly even acceptable it should be pointed out that the whilst most heating technologies, like natural gas and oil, have had decades of development and growth, renewables like Heat Pumps have had limited deployment and most of that over a comparatively short period.

There are several strands to these initiatives:• To clarify, simplify and make more

targeted, training for designers & installers of Heat Pumps

• To align training courses themselves and develop robust national standards

• To ensure the Trainers, like Yuri, are actually training: “Train the Trainer”

DECC have recently awarded a contract for a number of training/information seminars to be conducted around the country to inform designers and potential end-users as to the variety of heat pumps there are and solutions that therefore exist.

A contract to look into the quality, availability and accessibility of training for Renewable Heating technologies

listed under the Non-Domestic RHI banner is already underway and will produce a report and next step recommendations in the Spring.

A Water Sourced Heat Pump working group has been set up by DECC and CIBSE have been tasked with producing a Code of Practice with assistance from TA’s such as the HPA.

Tenders were recently closed for Domestic Renewable Heat Installer Training intending to help ensure that domestic renewable heat installer training courses meet the MCS Installer Certi� cation Scheme requirements.

There seems an appetite within DECC to put some money and weight behind these initiatives.

A number of issues remain. Ensuring the competency criteria is both adequate and targeted. Trying to de� ne and separate competencies so that all necessary competencies are covered for each heat pump genre but also that unnecessary ones are not required which would add burden.

The target is to make the paths and courses to become trained much clearer and to make training much more harmonised and relevant.

should actually do what we say we do. Training should be just that, training, not

A number of issues remain. Ensuring the competency criteria is both adequate and targeted. Trying to de� ne and separate competencies so that all necessary competencies are covered for each heat pump genre

OFGEM Ofgem are asking for information on the need and scope of potential 3rd Party ownership and hence 3rd party funding mechanism for projects hoping to also receive Domestic RHI. At present such funding is not permissible under Domestic RHI rules. However the inclusion of such would allow 3rd party ownership and hence more straight forward no or low capital cost installations.

MICROGENERATION CERTIFICATION SCHEME UPDATESHigh Temperature Heat Pumps: New rules came into effect on 5th February allowing the certi� cation of High Temperature Heat pumps and potential quali� cation for RHI. Since the RHPP scheme closed in March 2014 such heat pumps were excluded from Domestic RHI due to the SPF’s being determined by the Domestic Heat Emitter Guide.

The RHI required an SPF of at least 2.5 from the DHEG to qualify as ‘Renewable’ under the Renewable Energy Directive and hence included in the targets the UK have to reach to avoid � nes from the EU. This methodology rules out HTHP’s from Dom RHI as the SPF’s under then DHEG would not comply.

So why the change? The Eco-labelling and Eco-design directives will become operative in September 2015 (26th) and the former requires performance to be calculated on a seasonal basis. This allows an SCOP net (H2) calculation to be performed and obviates the need for a prescriptive guide to likely SPF’s based on heat emitters and arbitrary � ow temperatures.

Under this mechanism inef� cient heat pumps working at say 35oC may not be permitted but high ef� ciency HTHP’s working at >50oC may be.

Until all these mechanisms are fully in place HTHP’s musty meet minimum CoP performance at current and high � ow temperatures. In addition installers proposing to install HTHP’s are required to carry out a full design and quote for the househo0lder for non-HTHP’s and provide running cost comparisons to demonstrate the options form the consumer to make an informed choice.

CONSULTATIONSRevisions to the Heat Pump standards to align more closely with the ErP Energy Labelling requirements due in Sept are currently in the public consultation phase.

GREEN DEAL ASSESSMENTS AND SOCIAL LANDLORDSRegistered Social Landlords will not need to complete GDA’s for their ERHI applications from 5th February. The rationale is that they are very well informed on energy issues (hence do not need the same advice levels as ‘ordinary’ home owners/occupiers) and also have an intrinsic interest in improving the thermal ef� ciency of their housing stock to protect their tenants from excessive heating bills.

HPA Update.indd 6 31/03/2015 11:58

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08 APRIL 2015

SIRACH UPDATE

THE NETWORK FOR SUSTAINABLE INNOVATION IN REFRIGERATION AIR CONDITIONING AND HEAT RECOVERY

SIRACH MEETING -ENERGY SOLUTIONS FOR GREEN BUILDINGS

The main focus of the SIRACH event was to explore the latest developments and innovations that are creating energy

solutions for Greener Buildings. The event included a series of presentations, an interactive group networking session and a tour of the UK’s � rst commercial showcase for sustainable building products and construction methods.

THE PRESENTATIONSPresentations included: Graeme Maidment - the IOR President highlighted the key challenges and opportunities of the UK RACHP industry. Robert Franklin, Development Director of Wolseley, provided a quick presentation on the Climate Center sustainable innovation facility. David Elmes, Professor from the Warwick Business School, explored the future implications of the energy market on the RACHP industry.

These presentations then focused on a signi� cant challenges and opportunities for the RACHP industry in the UK in the widespread application of the low carbon heat pumps. These included presentations by Professor Bob Critoph of Warwick University, Stuart Tandy of Daikin and Prof Ruzhu Wang of Shanghai Jiao Tong University.

According to DECC it is estimated that 4.5 million heat pumps will be installed by 2030. Key to their application is their high ef� ciency whilst � tting into the conventional space currently occupied by a gas boiler, the economics associated with their purchase and their proven reliability during development

Bob Critoph presented on an experimental gas � red heat pump using adsorption technology. Bob explained that his team have developed a compact system with an overall COP approaching 1.2, comparing favourably with conventional gas boilers with a peak ef� ciency of 95%. Whilst still under development the Critoph system has potential for use in 21 million households in the UK which are connected to the mains gas.

In the households not connected to gas, electric heat pumps present the opportunity to provide high ef� ciency low carbon heating. This technology is an appropriate solution to the 4million households in the UK that do not have access to mains gas. However electric heat pumps can also be used in the 21 million households with gas as they nearly all will be connected to mains electricity. In these applications hybrid heat pumps present opportunities also, since hybrid heat pumps include

a unique combination of a high ef� ciency gas combi boiler combined with the air to water heat pump. The boiler and the heat pump can run in combination or in isolation to maximize energy ef� ciency, minimise running costs dynamically in response to variable electricity and gas tariffs. Hybrid heat pump with condenser and boiler connected in parallel is shown in the diagram below. In addition the hybrid option relieves potential pressure on the electrical distribution grid associated with switching from boiler to heat pumps as predicted by DECC. According to Tandy COPs of 5.04 are achievable with their Daikin Altherma hybrid heat pump. However there are other heat pump suppliers on the market. A key marketing advantage of heat pumps is that they can be eligible for the government

RHI incentives which provides subsidy back to the user of 7.3 p/kWh heat generated. On a typical house this provides an annual return around £2300/year.

The � nal presentation was from the 2014 IOR, J&E Hall Gold Medal Winner, Professor Ruzhu Wang of Shanghai Jiao Tong University. Wang presented on integration of low technologies into buildings including heat pump technologies that have been tested in China for the last 2 decades. Prof Wang described a number of high pro� le demonstration projects which not only achieve high long term COP of 5.1-5.2 were also integrated with other renewable technologies such as solar panels, which generate electricity which can be used by the building when not utilized by the heat pump.

The SIRACH networking meeting was held on 5th February 2015 at the Climate Center at their Sustainable Building Center in Leamington Spa. Metkel Yebiyo reports.

SIRACH.indd 8 31/03/2015 11:59

APRIL 2015 09

SIRACH UPDATE

SIRACH NETWORKING - CAROLE BOND, CARBON DATA RESOURCESSIRACH networking Carole Bond, Carbon Data Resources.

Following David Elmes interesting talk about energy futures and the competition for investment, Carole provided an interactive networking. The initial theme of the session was to ask delegates to consider in small groups how the refrigeration, air conditioning and heat pump technology sectors might go about ‘raising their game’ in order to boost support and investment in demand side efficient consumption technologies. Carole then asked delegates to move to new groups and discuss ways in which collaborative partnerships could and do help this to happen.

Upon their return Carole invited the attendees to, Collect few thoughts from their conversations discuss and share their thoughts in single words or short phrases. Some of the interesting ideas that emerged included.• Open the Sustainable Building

Centre every week to the public• Talk up the technology –

mainstream it • Make consumers/end users more

aware. Create understanding and comfort.

• Undertake quantification of savings and best solutions for different uses.

• New technologies represent large consumer investment and there is a risk of obsolescence.

Employ alternative business models where someone else takes or shares the financial risk e.g. leasing/guaranteed savings.

Energy companies sell heat as the product and own and operate the infrastructure for delivering it (‘product servitisation’).

TOUR OF THE CLIMATE CENTER FACILITIES The SIRACH event also included a tour around the UK’s first commercial showcase for sustainable building products and construction methods. The building itself features 170 types of products, including: a ground source

heat pump, mini Combined Heat and Power (CHP), photovoltaics, micro wind, e-glazing, natural lighting, natural insulation, green floor coverings, rainwater harvesting, biomass, low energy lighting; water saving devices; solar thermal and sustainable drainage. ■

Next SIRACH meeting is scheduled for the 23 April 2015, Hereford HR2 6JL.SIRACH will be exploring the topic of - Innovations in Heat Pumps and Cooling - The Integration Challenge. For more information or to be included on the SIRACH mailing list please contact.

www.sirach.org.uk

“...raising their game’ in order

to boost support and investment

in demand side efficient consumption

technologies.”

SIRACH.indd 9 31/03/2015 11:59

10 APRIL 2015

The ground arrays for a ground source heat pump installation are typically the most expensive element

to install but also the least well understood. Usually in the UK a ground array for a ground source heat pump will be either a horizontal array using straight pipe or loops (aka slinkies) in trenches, or a vertical array using U tubes that are inserted into boreholes.

Getting the design and installation of the ground array right is absolutely critical to the end result; the ground array is the energy supply to heat the building. You can have the latest all singing and dancing ground source heat pump, but if the ground array does not deliver, you will not be getting any heat.

THE PIVOTAL CALCULATIONThe un-bendable rule of designing a ground array (or indeed any energy system for that matter) is that the source needs to be equal to or greater than the load. In our case the source is the ground array and the load is the building we want to heat, but if we also want to heat the domestic hot water, then that is additional load. Note, the size of the heat pump is almost irrelevant to this particular calculation! So the � rst and most important piece of information we need to design any system is an accurate heat loss calculation for the building (this is typically done using something like SAP) to give us both the peak and annual space heating load. Additional to this is the DHW load, SAP can also calculate this for you. Before SAP existed, at Kensa we used the � gure of 3 kWh per occupant per day, plus

an additional 3 kWh per day for the cylinder losses - these are still good numbers for a quick reality check!

With horizontal arrays, it is the area of land that principally dictates the amount of energy that can be extracted from it. A common misconception is that by using slinkies (or worse still compact collectors) more energy can be obtained from a given area of land - nothing could be further from the truth - the only advantage that slinkies give compared to using straight pipe is less trench digging.

ADDITIONAL CONSIDERATIONSOther factors that are often overlooked also have an effect on the size of ground array required. Say, for example, we have two buildings that both require 10,000 kWh for annual space heating, but one building has tiled � oors with under� oor heating, the other has standard wall hung radiators. Because of the difference in the heat emitters, the heat pump serving the UFH only has to run at 35 °C and delivers a seasonal ef� ciency of 400%, but the heat pump serving the radiators has to run at 50 °C and only gives 300%. Both buildings still need 10,000 kWh total heat, so the UFH example will consume 2,500 kWh of electricity and get the other

7,500 kWh from the ground array. The radiator example takes 3,333 kWh from electricity and only 6,667 kWh from the ground, so the building with UFH needs a 12% larger ground array.

The hydraulic or � ow design of the ground array is also very important, the chosen heat pump will have a minimum ground side � ow rate requirement (typically about 3 litre/min/kW for another quick reality check) given by the manufacturer. Your ground array needs to allow the required � ow, without needing an excessively large pump to achieve it.

What we are trying to do is save energy, one of the reasons air source heat pumps are less ef� cient than ground source is the energy wasted by the evaporator fan(s) The ground pump in a ground source heat pump is the equivalent of the fan in an air source heat pump, but thankfully pumps are much more ef� cient energy movers than fans.

A good design should only need a ground pump that is about 2% of the heat pump capacity (e.g. a 200 W pump for a 10 kW heat pump). This means choosing the number and lengths of ground circuits with care. If using the common 32 mm MDPE pipe, the maximum length of any one circuit will usually be about 300 M of pipe otherwise the pump pressure required will become excessive.

Flow rates and pump losses on the hot side are equally important to good system ef� ciency, especially for good hot water performance using a heat pump alone. ■

Find out more about heating and hot water with ground source heat pumps next month.

www.kensaheatpumps.com

10,000kWh: Radiators

10,000kWh: Tiled � oors & UFH

In the second in the series of articles from Kensa Heat Pumps, Guy Cashmore, Technical Director at Kensa, takes a look at the unbendable rules of ground arrays

GOING TO GROUND

KENSA COLUMN

Kensa Column.indd 10 31/03/2015 12:02

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3 Supply and delivery

P3603 HEAT PUMP TODAY RENEWABLES ADS.indd 3 27/02/2015 16:05p11_hptmar15.indd 1 06/03/2015 14:34:16

12 APRIL 2015

APPRENTICES

Addressing this, a new training facility has been opened in Essex to serve apprentices in the south east of the country.

Delivered in partnership with Prospects College of Advanced Technology (PROCAT), training at the college’s Basildon campus will span NIBE’s full range, including ground source, air source and exhaust air heat pumps, as well as biomass boilers and solar thermal systems.

At the opening of the facility in February, NIBE’s managing director, Phil Hurley said that it is crucially important for employers have confidence that their apprentices are being taught the skills they need to become effective and valuable operatives.

It is estimated that there are only 1,000 homes in the UK that have had a heat pump installed. By 2020, DECC wants this number to rise to 500,000 and to 4,000,000 by 2026. This demonstrates the size of the market and emphasises the need for training and upskilling of the workforce.

SKILLED INSTALLERSThe Government introduced the Renewable Heat Incentive (RHI) in 2014, where it pays householders for the renewable heat they generate, but Phil said: “It’s possibly the best kept secret; it hasn’t been marketed very effectively, so it is up to industry to promote it to householders. We need skilled installers, at the moment there are only 1,500 registered installers out of about 90,000 plumbers in the UK, hence the partnership between NIBE and PROCAT.

Phil reminded guests at the opening ceremony that: “Any product is only as good as the installation and apprentices are our future installers.”

In response to this, training at the new centre will provide plumbing

and heating professionals with all the information and experience they need to carry out high-performance NIBE installations.

Foundation-level courses and more in-depth, intermediate product training are available, covering design, installation, commissioning and servicing, and the centre will be fully equipped with a cross-section of NIBE renewable heating technologies, as well as control systems and hot water storage solutions.

BENEFITS OF SWITCHING TO RENEWABLE HEATEmphasising the growing business opportunities of heating professionals, Phil said: “With the RHI now in full swing, an increasing number of homes and businesses across the UK are looking to reap the benefits of switching to renewable heat, so the commercial opportunity for trained installers has never been greater. NIBE’s new Basildon training centre is part of our ongoing commitment to installers. As demand

grows, we’re ensuring they are ready to respond, upholding the highest standards of quality, expertise, performance and safety at every stage of every installation.”

Training at the campus is delivered by Jason Duncan, senior technical engineer at NIBE. PROCAT will also use the NIBE facility to offer a range of training that can count towards Microgeneration Certification Scheme (MCS) installer accreditation, as well as other sustainable energy courses.

Phil Hurley continues: “As we get ready to expand our national training network further, NIBE is looking forward to welcoming both new and experienced

trainees to the PROCAT centre, and we hope to see many of them go on to join the ‘NIBE family’ and become fully fledged NIBE VIP installers. This means that they can offer their customers an unrivalled level of trust and peace of mind, and also entitles them to loyalty benefits and an extended seven-year warranty on selected products.” ■

NIBE TRAINING For more information or to book a NIBE training course, please call 0845 095 1200 (and select option 4) or email [email protected]

The renewable energy market is well-established in Europe but is still relatively new in the UK. As government targets to reduce CO2 emissions start to bite harder though, it is vital that the industry has enough skilled installers to cope with increasing demand.

12 NIBE.indd 12 31/03/2015 12:06

APRIL 2015 13

DISTRICT HEATING

In plans announced in January, the government’s Department of Energy & Climate Change (DECC) is encouraging local

authorities to look at ways to heat homes and businesses using low carbon technologies to extract heat from waste.

DECC has awarded 26 local authorities across England and Wales £1.9 million between them to develop ‘heat networks’, or district heating schemes. The schemes take heat which is going to be wasted in one place and distributes it nearby where

it can be used to heat homes, offices or businesses. The aim of doing this is to help lower energy bills and carbon emissions by making use of heat which would otherwise be wasted.

The money is from DECC’s ‘Heat Network Delivery Unit (HNDU)’ in the form of grants of between £15,000 and £250,000 to help get district heating projects ‘off the ground’. Help also comes in the shape of technical and commercial help for the councils to help them with business plans. Projects will need investment from the private sector to make them possible.

DECC estimates that heat networks could supply about 14% of the heat needed in the UK by 2030. By 2050, it estimates that about 43% of heat demand could come from low carbon district heating schemes. There about 2,000 district heating schemes in the UK which heat to over 200,000 homes and 1,700 commercial buildings.

Edward Davey, Energy and Climate Change Secretary said: “In urban areas, people are often used to sharing their walls and their roofs with their neighbours – and it can

make good sense for them to share the way their homes are heated. “This cash boost and support for local authorities will help supply low carbon heat to a whole range of buildings such as multi-story apartments, office buildings and social housing – not only providing more efficient heat to buildings, but potentially bringing heating bills down too.”

To date, much of the funding from DECC is spent on the initial feasibility studies. The HNDU has a £7 million pot to spend on encouraging local authorities to install heat networks. ■

Heat taken from landfill or waste could soon be heating your home if the government gets its way.

WASTE HEAT IN YOUR HOME

The training provider contacted Worcester when the previous heating system at its centre was failing to perform to its

full potential. The room was too warm during the summer and freezing cold in the winter. Following a study into the requirements, Worcester’s system designers recommended the installation of a 6 kW Greensource Air to Air Heat Pump.

The new Greensource Air to Air Heat Pump comprises of an outdoor and an indoor unit which converts latent energy in the air - even on the coldest days - into heat. It was fitted by a member of the Steve Willis Training Centre FGAS qualified training team.

Offering training courses since 2000, Steve Willis aims to help new and established installers increase their skill-set and ultimately their product portfolio. The company sees almost 400 installers a month come through the

doors from a variety of backgrounds, including Apprenticeships who are just starting their career in the plumbing, gas or electrical world.

Speaking of the installation, Steve Willis, Managing Director at Steve Willis Training, said: “Worcester has always been a strong supporter of ours, since we opened our first training centre over 14 years ago. With the installation of a new Air to Air Heat Pump we have been able to completely transform the comfort levels in the training room. Previously the area was cold in the winter months and hot and stuffy in the summer months, which made it difficult to work in; it is far better now allowing our delegates to focus their attention on course content.”

Martyn Bridges, Director of Marketing and Technical Support at Worcester, Bosch Group, commented: “We understand the

Steve Willis Training Centres, the building engineering services training provider, has teamed up with manufacturer, Worcester, Bosch Group, to boosts the heating and cooling efficiency at its Sussex facility.

WORCESTER HELPS DELEGATES KEEP WARM AND COOL IN TRAINING

importance of installer training. With that in mind, we are always keen to support those of our partners within the industry who share our passion for high-efficiency heating and hot water technologies.” ■

www.stevewillis.com

District Heating.indd 13 31/03/2015 12:09

14 APRIL 2015

DISTRICT HEATING

Croft House in North Devon, is the � rst housing association scheme in the UK to be retro� tted with

Kensa’s innovative “ground source heat network” system, and has received support funding through a combination of the Energy Company Obligation (ECO) and a Ready for Retro� t grant.

The “micro heat network” scheme sees an ultra-quiet Kensa Shoebox ground source heat pump installed in each dwelling and connected to a network of ground arrays, with each pair of � ats sharing a communal borehole. The ground source heat pumps, installed within each property’s airing cupboard, provide

100% of each property’s heating and domestic hot water requirements, in many cases halving the tenants’ energy costs compared with the electric heating systems that were replaced.

Croft House’s rural location in the South West enabled the works to attract a one-off grant under the Energy Saving’s Trust Ready for Retro� t scheme and further � nancial support from EDF Energy through the Energy Company Obligation (ECO), which following recent changes is now able to support ground source district heat networks. Future schemes are already being planned, and while the Ready for Retro� t grant is no longer available, support

funding will be provided through a combination of ECO and the non-Domestic Renewable Heat Incentive (RHI) for retro� t social housing heating upgrades.

Kensa’s Commercial Director, Chris Davis, said: “With the non-Domestic RHI and the ECO able to sit alongside one another, the � nancial case is a compelling one, especially when compared with the alternative options.

“The micro heat network at Croft House provides Westward with access to unique funding whilst giving tenants complete control over their heating. Each dwelling receives its own electricity bill, so there is no need to apportion costs among tenants; there is no loss of ef� ciency through heat losses over the

‘district’; while Westward did not have to � nd space for a plant room.”

The installations will also be fully monitored over the course of the current heating season using a smart energy monitoring solution developed speci� cally for use with heat pumps by PassivSystems as part of a DECC sponsored project.

The system architecture, developed by Kensa, has been veri� ed by Ofgem as meeting their de� nition for a district heating system. This approach overcomes all of the drawbacks of traditional “central plant” district heating systems, saving Westward Housing the costs and loss of rentable space with the construction of a separate plantroom.

MICRO DISTRICT SYSTEM SCORES A FIRST FOR RENEWABLE HEAT IN SOCIAL HOUSING Major investment in renewable energy by Westward Housing has resulted in a � rst for social housing, thanks to a pioneering system devised by Kensa Heat Pumps.

Croft House drilling

Croft House drilling

Councillor Hurley and Joshua Jackson of Westward Housing

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APRIL 2015 15

DISTRICT HEATING

WHAT RESIDENTS THINKCroft House is a scheme designated for elderly residents. Its vulnerable demographic was seen as a priority for a heating system upgrade due to the poor levels of comfort and high heating bills delivered by the original night storage system.

Customers at the Croft House development have described the process of the installation works as a “pleasure”. • “The work has proceeded very well;

any task that needed to be done has been done without question. Congratulations to all – it has been a pleasure,” commented Jean Gregory, 82, who has lived at Croft House for 22 years.

• Fellow resident Jim Porter, 57, who has been a Westward tenant for eight months, is excited about the savings that can be made from the new ground source heat pump system and estimates that he can cut his heating bills by 50-60 per cent. He said: “I have checked my meter for the last month and it was £20, whereas it was £40 or £50 a month before. You are bound to save lots of money with the ground source heating system.”

• Deirdre Win� eld, 83, and her son Robin, 59, live in separate � ats at Croft House and both moved in within the last year and say the new system is a vast improvement on storage heaters. “I’ve lived with many heating systems, but ground source has to be my favourite; it provides a nice, gentle, constant heat that keeps my home really comfortable. I am very pleased to have it,” said Deidre.

• Councillor Hurley of Torridge District Council visited Croft House and was taken by the discreet installation: “I was delighted to be invited to view the ground source heat pump installation by Kensa at Westward Housing’s Croft House. Until it was pointed out to me, the borehole to extract the heat from the ground was virtually invisible and there are very little signs on the outside of the building that such a project has been undertaken. Inspecting the internal installation in one of the properties I was impressed by the standard of workmanship and indeed the small size of the ground source heat pump. This form of heating should, together with the external cladding, reduce heating bills considerably which can only be good for the residents and the environment collectively.”

Kensa Heat Pumps have released a � lm of residents’ experiences during the project, available on their website at www.kensaheatpumps.com/video/westward-housing-tenant-tales/

The project at Croft House adds up to a landmark programme of retro� t works coordinated by

Kensa Heat Pumps and Westward Housing which has seen 50 other homes in Devon and Cornwall upgraded with ground source heat pumps. These were co-funded through the RHPP Competition and the Domestic Renewable Heat Incentive. ■

Resident Deidre Win� eld and Councillor Hurley with Kensa heat pump

Croft House

About Kensa: Established in 1999, Kensa Heat Pumps Limited is the UK’s dedicated manufacturer of ground source heat pumps.

“The micro heat network

at Croft House provides

Westward with access to unique funding whilst giving tenants

complete control over

their heating.”

14-15 Kensa.indd 15 31/03/2015 12:10

16 APRIL 2015

WOMEN IN HEATING

NAME AND JOB TITLEClare Hasprey – Business Development Manager at Panasonic Heating and Cooling

WHERE DID YOU STUDY AND WHAT COURSE? Warwickshire College – Diploma in Business and Finance

DETAILS OF CURRENT EMPLOYER I’ve been in the industry for 13 years and have enjoyed working with three major manufacturers during that time. I am now working for Panasonic Heating and Cooling, joining the UK team a couple of years ago as Northern Business Development Manager. Panasonic specialises in energy-ef� cient and sustainable heating and cooling technologies for homes and commercial applications, and I feel proud to be part of a team responsible for increasing the use of our air-to-water range of renewable heat pump technologies (Aquarea heat pumps).

WHAT TYPE OF PROJECTS DO YOU WORK ON? I have a strong background in speci� cation, working with social housing landlords and new build developers. I believe this is where Panasonic and its fantastic range of heat pumps can make the biggest difference in helping to reduce the UK’s carbon emissions. Heat pumps

are also playing a crucial part in the delivery of more affordable homes and attacking the huge problem of fuel poverty which affects millions of people in the UK every year.

WHAT ATTRACTED YOU TO THE INDUSTRY?I was initially attracted to the heating industry because you have the opportunity to work with a diverse range of people in different sectors. For example, your customers could be social housing landlords, smart building developers, homeowners, or builders, subcontractors and distributers working on a variety of projects. No two days are the same.

One day I am presenting plans for a major project to a housing organisation, and the next, I’m on-site climbing ladders to view a heat pump on a new build site. It’s exciting and I am able to see projects through from start to � nish. I enjoy working as part of a team and being able to take my share of credit for the � nished product. Plus, I’m a true believer in Panasonic’s energy-ef� cient technologies and their ability to improve the UK’s housing stock.

I joined the company because I want to help make life better for end-users. Heating your home shouldn’t cost the earth. Literally. I am proud to be increasing the uptake of greener, renewable heating systems. The bene� ts of these products for people and the environment are extremely

important to me, and, like Panasonic, I want to help create more affordable and sustainable homes for the future.

WHAT EXCITES YOU ABOUT THE INDUSTRY AND YOUR PART IN IT NOW?I am excited about being part of an organisation which has such strong business ethics. Panasonic is committed to investing large sums into its research and development programme, which means we will continue to produce world-leading, low-energy products which bene� t people now and in the future.

I feel part of a strong business that continually introduces new products which do make a huge difference to households in the UK. Our product development plans are exciting and I’m con� dent Panasonic’s technologies will continue to have a positive impact on families’ � nances and the way we live in our homes.

WHAT WOULD YOU SAY TO OTHER WOMEN WHO ARE CONSIDERING COMING INTO THE DOMESTIC OR COMMERCIAL HEATING INDUSTRY?I would highly recommend the heating industry to women; it is a large industry with plenty of opportunities, and I have found it to be a very friendly sector to work in. If you work hard, you will always be recognised for your efforts, and you’ll see some

WOMEN IN HEATING

“I am excited about being

part of an organisation

which has such strong

business ethics.”

Women in Heating.indd 16 31/03/2015 15:50

APRIL 2015 17

WOMEN IN HEATING

really positive, tangible results from your hard work. Your enthusiasm and commitment will benefit lots of people.

The industry is always evolving, with exciting new products coming onto market. When I first started in the industry, combination boilers were the hero products, and now we’re getting excited about heat pumps, photovoltaic panels (PV) and fuel cells.

WHERE DO YOU SEE YOUR CAREER DEVELOPING?Over the next year or so, my main focus will be to grow Panasonic’s brand within the social housing sector and new build developments. I’m confident our offering is strong and highly competitive, and I look forward to bringing the benefits of our renewable technologies (heat pumps, PV, etc) into more people’s homes.

WHAT ARE THE CHALLENGES IN THIS INDUSTRY?Educating potential customers is an on-going challenge. We need to encourage more people to consider alternative heating solutions, which are better than traditional systems. For example, the benefits of heat pump technologies are not widely known, and they really, really should be. Panasonic’s Aquarea heat pump can heat homes and provide domestic hot water at a massively reduced cost in comparison to traditional systems. We’re talking savings of up to 80%!

WHAT ARE THE BENEFITS OF BEING IN YOUR ROLE?No two days are the same. Every day I meet new people from various sectors, all with very different projects. Plus, I’m proud of the products I am selling. Take a look for yourself at www.aircon.panasonic.eu and follow us on Twitter @PanasonicHC_UK ■

“Over the next year or so, my main focus will be to grow

Panasonic’s brand within the social housing sector and new

build developments.”

Women in Heating.indd 17 31/03/2015 15:50

18 APRIL 2015

In the constant drive towards energy ef� ciency, there is more pressure than ever on commercial buildings to reduce

their carbon emissions. Inevitably, Building Regulations continue to be a driving force but they are not the only reason speci� ers and architects are looking for energy ef� cient solutions across the fabric of new commercial buildings.

In many cases planning requirements will demand even greater levels of ef� ciency, while improvements over Building Regs such as BREEAM Excellent or the Merton Rule, which requires new commercial buildings over 1,000 sq metres to generate at least ten per cent of their energy requirement using on-site renewable energy sources, are becoming more and more common.

So what does all this mean for heat pump installers? In simple terms, it means heat pumps are becoming far more appealing in the commercial new build sector. Unlike the domestic sector, where we rely on homeowners to understand the bene� ts before they consider investment, many commercial organisations are being pushed towards renewable heat because of stringent regulation or planning requirements. All this, of course, complemented by the running cost

savings, convenience and reliability of heat pumps over other heating technologies.

Here are just a few reasons why you cannot afford to ignore commercial opportunities: • The Building Regulations

Approved L2A document makes it mandatory to consider the economic feasibility of heat pumps – and give a good reason why they haven’t been selected.

• Building Regulations Part L is driven by CO2 emissions for the building, so low carbon solutions such as heat pumps enable easier compliance.

With the launch of the Renewable Heat Incentive last year and growing concern over household energy bills, much of the industry’s focus is understandably on the domestic heat pump market. But as Clare Campbell, Renewables Product Marketing Manager for Dimplex, argues, there are signi� cant rewards to be gained in the commercial sector too.

• Even where renewable technologies are required, heat pumps enable buildings to meet their target Building Emission Rate (BER) with reduced installation costs, lower running costs and reduced visual impact than an alternative system comprising of a boiler and solar PV.

• The inclusion of heat pumps in any project can earn up to 12 credits alone under the BREEAM scoring system, providing speci� ers with easy credit as they strive for BREEAM recognition.

• Further BREEAM credits are available through good design and planning under the ‘low and zero carbon technology’ and ‘energy monitoring’ sub-categories. ■

COMMERCIAL GAINS

COMMERCIAL HEAT PUMPS

Renewable Heat Incentive

Signi� cant Rewards

Energy Ef� ciency

Heat PumpInstallers

Low Carbon Solution

CO2 Emmissions

BuildingRegulations

PlanningRequirements

18 Dimplex Blog Post.indd 18 31/03/2015 12:11

APRIL 2015 19

ECOBUILD

HEADING

SEE THE ENERGY LOSS WITH FLIRIf you don’t believe anything until you see it, you might want to look at FLIR’s latest thermal imaging cameras. You can use them to see the energy loss from a building.

FLIR will have its new T-Series infrared cameras which feature its UltraMax™ image processing system for improved resolution and snsitiviy. The new models in the range are the FLIR T460 and T660.

See the heat loss with FLIR on stand N3122.

STIEBEL ELTRONStiebel Eltron is showing off its new brine-water WPF and WPC heat pumps at Ecobuild this year. The new products are updates on current versions which bene� t from CoPs of 5.0, as well as being quieter, easier to install and transport (presumably they are eight lighter or smaller or both?).

Also Stiebel Etron will have its WPL 15/25 air source heat pump on show at its stand. The company claims it is ‘the most ef� cient air source heat pump ever designed’ with the highest CoP on the market.

If you want to reduce the installation time on air source heat pumps, take a look at their HM Trend product. It’s a pre-plumbed and pre-wired hydronic module. Ask them how much time it saves.

Find them on stand N4170.

ECOBUILD PREVIEW

Ecobuild.indd 19 31/03/2015 12:13

20 APRIL 2015

ECOBUILD

ECOBUILD CONFERENCEEcobuild has unveiled its full conference programme for 3rd-5th March with a host of big name industry and Westminster speakers:• Ed Davey, Secretary of State for

Energy & Climate Change• Natalie Bennett, Head of the

Green Party• Lord John Prescott, former

Deputy Prime Minister and UK negotiator for the Kyoto Protocol on climate change

• Alistair Campbell, former British PM spokesman

Other names on the line-up at the world’s leading sustainable design, construction and energy event are RIBA Stirling Prize-winning architect Steve Tompkins of Haworth Tompkins, Sir John Armitt, former Chairman of the Olympic Delivery Authority, and Lord Deben, Chairman of the Committee on Climate Change.

Housed within two impressive arenas in the heart of the event, sponsored by Skanska and Lend Lease, the conference will include a future gazing � rst for the event; cross-party political discussion

around the future of the sustainable built environment. The full Ecobuild politician line-up will be publicised nearer the event.

Key sessions include: • Does a ‘no’ vote for European

membership mean the end of UK sustainability policy?

• The mainstream zero carbon home – will it ever happen?

• Greening the grid – is low-carbon electricity a vote loser?

• Are smart cities a positive sustainability bene� t or an unwelcome invasion of privacy?

• Happiness by design: How the built environment drives feeling and behaviour

• Innovation and new materials: Could they revolutionise sustainable construction?

For further information about Ecobuild’s conference programme and to book your complimentary ticket to the three-day event, please visit www.ecobuild.co.uk .

ENVIROVENTEnviroment has a new mechanical ventilation with heat recovery (MVHR) system on show at Ecobuild. The energiSava 250 is a compact and lightweight whole house heat recovery system designed for small to medium sized properties and � ats. It extracts moist air and replaces it with fresh air.

Its main use is for ventilating the kitchen but it also has the capability to manage up to � ve other ‘wet rooms’. It will into a standard kitchen cupboard and is easy to install, with a push button commissioning pad.

See them on stand N2120.

VIESSMANNNew Air source heat pump from ViessmannViessmann launches its new Vitocal 300-A three-phase air source heat pump at Ecobuild. The heat pump comes in 10.5 or 12 kW output versions, which is up from its 8.6 kW single-phase version.

The Vitocal 300-A is aimed at the commercial property market which have a maximum � ow temperature need of up to 65 °C. It an ‘all-in-one’ package, namely a variable speed fan, modulating compressor and quiet air duct design. It has a CoP of 3.5 (air 2 °C/ water 35 °C), just 54dB(A) of sound from it, making it very quiet.

Ecobuild.indd 20 31/03/2015 12:14

APRIL 2015 21

FEATURE

STUNNING MILK SHED CONVERSION HARNESSES STIEBEL ELTRON TECHNOLOGY TO CREATE

HOME OF THE FUTURE

A stunning barn conversion in rural Leicestershire has been hailed as an outstanding example of the energy ef� cient home of the future.

The former milking shed – part of the Hall Farm Barns development on the edge of the village of Scraptoft

– was converted to the highest possible speci� cation by developer Onsen Homes in conjunction with Staniforth Architects and main contractor Brown and Green.

Harnessing the latest renewable energy technology was a key component of the scheme with leading manufacturer Stiebel Eltron UK providing installer Flogas Renewables with two WPL 20 air source heat pumps and its SOL 27 solar thermal panels.

Huge ef� ciencies were gained by integrating the renewable energy technologies early in the project with almost no impact on the development’s overall design.

The end result for the new owners of the two barns are homes full of character and original features, but harnessing the latest technologies to ensure minimal running costs and the opportunity to take advantage of the Government’s Domestic Renewable Heat Incentive (RHI).

FINANCIAL SAVINGS AND BENEFITSThe savings for the converted milking shed – some 480m2 in size - are eye-catching. The annual running cost for oil

would have been £2,610, compared to £1,954 with the air source heat pumps. When combined with the solar thermal saving of £200 it makes a combined annual saving of £856.

The annual RHI payment for the heat pumps and solar thermal is a staggering £3,213, making a total annual bene� t of £4,069.

Across the seven-year period of the RHI, this means an overall bene� t of £28,483.

Nigel Parkes, a director of Onsen Homes, said: “From the outset, our aim was to exceed the prevailing Building Regulations and create two highly ef� cient barn conversions. We had to work sympathetically within the fabric while making subtle improvements that did not detract from the charm of the buildings and their setting. Renewables were key and their success on this scheme is that they were integrated from a very early stage in the design.”

In addition to the � nancial savings and bene� ts available, the total site reduces carbon by more than 13,000kg per annum.

THE TECHNOLOGYIn addition to the air source heat pumps and solar thermal, Flogas also speci� ed PEX20 Simpleheat under� oor

heating throughout insisting on low thermal resistance � oor coverings so that the water heating temperature is as low as possible to satisfy the demands of the buildings.

The low temperatures enable the heat pumps to work as effectively as possible reducing the cost of energy for the owners. The combined heat pump system saves an estimated 11,195kg/CO2 per annum compared to a traditional oil-� red boiler heating system.

Meanwhile, the solar thermal contribution to the hot water is estimated to 2,300kW/hours, saving a further 358kg/CO2 per annum.

Both converted barns also include a 4kW solar PV system further reducing carbon emissions by 1,500kg per annum with most of the electricity produced being consumed by the heat pumps.

Mark McManus, Managing Director of Stiebel Eltron UK, said: “This was a remarkable project bringing derelict buildings back to life, but harnessing the most advanced and innovative renewable energy technologies available today.

“The return on investment in terms of running cost savings and the bene� ts available through the Domestic RHI are staggering and explains why we have seen a signi� cant increase in orders since the scheme went live earlier this year.”

To help home owners � nd out more about the Domestic RHI, Stiebel Eltron UK has launched a website all about the scheme – www.myrenewableheatincentive.co.uk

www.stiebel-eltron.co.uk

■

INSTALLATIONS

21 Stiebel Eltron.indd 21 31/03/2015 12:20

22 APRIL 2015

INSTALLATIONS

Spire Renewables surveyed the ‘turn of the last century’ gatehouse and recommended the client to use a ground

source heat pump system as the solution. The ground source heat pump system would need to supply both heating and hot water.

THE SOLUTIONSpire Renewables based the solution for the gatehouse on a CTC 10kW ground source heat pump. The heat pump provides low energy heating and has brine circulation pumps built in. Also, there is a brine expansion Vessel including a pressure gauge with filling loop for a small volume top-up.

Photos above show the pre-plumbed, pre-wired and pre-insulated backboard (to the client’s specification) before it left the warehouse.

In addition, the solution included a fully pressure tested copper pipework with compression fittings for quick connection for the heat pump and both cylinders. Spire made sure the brine and heating filter ball valve (the fill set was supplied with the heat pump) was easily accessible.

Furthermore, the team fitted a 500 litre well-insulated hot water cylinder with expansion vessel, cold mains water kit and a G3 compliance kit. The coil was sized so that hot water can reach temperature (50oC) within one compressor run to avoid a high cycling rate. Also, the Spire installation team built in immersion with a manual override with isolatable 28mm connections for easy pickup.

Included too is a 200 litre, well insulated buffer steel tank, with expansion vessel (including a filling

loop and pressure gauge). That is also has isolatable heating flow and return connections for easy pickup.

CONTROLSTo control the heat pump system, Spire Renewables used a CTC Ecologic Pro controller including a pre-wired actuator, a thermostat sensors and control wiring. The only sensor that needs to be run out is the north-facing Sensor.

The pre-wired ABB distribution board was complete with suitably sized MCB’s and RCBO (Residual Current Breaker with Overcurrent). It also includes a DIN rail mounted, RHI compliant electrical meter.

In the event of a stuck contactor high temperature limit stat linked to a shunt trip to cut power to the heat pump. All pipework used silver-foil clad insulation on all heating pipework, with Armaflex class 0 on the brine pipework.

To make for easy commissioning, the controller was setup before delivery with the settings saved.

Also installed onsite were 3 x 200m loops of 40mm MDPE pipework as the main collector array, along with a 3 port manifold with 50m flow and return in 63mm MDPE.

The complete remote plant room was installed by two engineers within one man day, including connections to the pre-insulated pipework and connection of G3 discharge routes. Electrical work and commissioning was conducted within one day too. The groundwork took three engineers two days due to poor weather at the time.

THE RESULTSThe gatehouse was previously heating using oil with the owners facing a £1,300 annual bill. In the first two months since commissioning the ground source heat pump, the system has used £150 of electricity. That’s pretty good considering the first months were the coldest time of year. Spire Renewables has estimated that the Renewable Heat Incentive will be £2,600 a year. ■

www.spirerenewables.co.uk

Spire Renewables recently installed a 14kW ground source heat pumps for a client whose fossil fuel costs for heating their property were getting out of control. The client, living in a gatehouse in Surrey, was looking for a renewable energy alternative to get control of their energy costs.

A GROUND SOURCE HEAT PUMP RETROFIT SOLUTION FOR A SURREY GATEHOUSE

“In the first two months since commissioning the ground

source heat pump, the system has used £150 of electricity.

That’s pretty good...”

22 Spire Rewards.indd 22 31/03/2015 12:23

APRIL 2015 23

FEATURE

In 2006, Powis Hughes’ partners found the perfect building to house the � rm’s team of chartered surveyors. The 50-year

old barn was the right size, in a beautiful and peaceful rural location and is located just a few minutes’ drive from major road routes.

The partners oversaw the refurbishment of the building to create a suite of modern and comfortable of� ces that would house their team of specialists. Fitting a lot of insulation helped to reduce heat loss through its solid brick walls, and specifying over-sized radiators ensured that the former cowshed would keep the employees warm despite its high, vaulted ceilings. At that time, although the price of oil was on the up, with no gas supply to the barn, there was little choice but to specify an oil-� red boiler.

CUTTING COSTSOver the past 10 years the partners became more committed to ensuring that the � rm ran its operations ef� ciently and sustainably.

“Our commitment to promoting sustainability starts with our own actions,” commented Rafe Staples, director. “As a small � rm we can quickly agree on what we want to achieve and just get it done. We aim to comply with – and where possible exceed – relevant legislation for low carbon and sustainability. We have also invested in renewable technology where we believe that the capital cost will help us to reduce our on-going costs in future years.”

The building’s rural location and long lease enabled Powis Hughes to install a 6kW wind turbine in 2010 and a 4kWp solar array in 2012. Both of these micro-generation technologies have performed well since installation and are providing returns of 10% and 23% respectively.

Encouraged by these results, the partners wanted to reduce their dependence on oil for heating. According to Rafe: “Despite being only � ve years old, our boiler was becoming less ef� cient and increasingly unreliable. We were spending about £2,500 per year on oil – that’s

over 11 tonnes of CO2 emissions and spending more each year on maintenance call outs. With a large oil tank to manage we were also aware of the risk of leakage and oil theft. As part of our 2012 annual sustainability review we decided to consider alternative options for space heating.”

TRUSTED ADVICE“When looking for a company we could trust for advice about our heating needs, GHE was an obvious choice,” stated Rafe. “GHE had previously handled our solar installation, which went without a hitch. They listened to our needs, researched the solution and looked for ways to help us minimise costs. They were also able to show us a ground-source heat pump installation that had been operating ef� ciently for many years.”

After discussing the alternatives with GHE and weighing up the pros and cons, Rafe and partners asked GHE to install a 20kW ground-source heat pump. The ground-source option would give them the highest

INSTALLATIONS

When Berkshire-based chartered surveyor Powis Hughes replaced its oil-� red heating system with a more reliable ground-sourced heat pump, it instantly reduced its of� ce running costs, cut its carbon output, improved the building’s EPC rating and attracted positive comments from key customers.

“Out commitment to promoting sustainability

starts with our own actions”

GHE Solor.indd 23 31/03/2015 12:32

24 APRIL 2015

ef� ciency – especially at low outside temperatures, and operate silently. A large � eld adjacent to the barn allowed GHE to design a system that used eight straight trenches of 50m in length, a metre deep and wide.

GHE speci� ed a Dimplex 20kW heat pump that generates suf� cient heat output to keep the of� ces comfortably warm, and is also compatible with a commercial 3-phase electricity supply. The over-sized radiators work well with the heat pump, as it operates at lower temperatures than a conventional boiler.

GHE had the new system up and running before de-commissioning the old heating system – ensuring that Powis Hughes could continue to use its of� ces during the two-week winter period when the system was installed.

OUTSTANDING RESULTSSince installing the heat pump in early 2013, it has generated 29,000 kWh of heat and attracted £1,000 of RHI payments and saved enormously in oil fuel purchases, while consuming less than 10,000 kWh of electricity. Over 20 years, the renewable heat

everyone. There are tax bene� ts and investing in micro-generation is giving us a much better return on our cash than leaving it in the bank! Even if you don’t have a long lease on your building, talk to your landlord and see if they would be willing to share the costs!”

But � nancial gains are not the only bene� ts from Powis Hughes’ sustainability programme, as Rafe explains: “So many of our clients have remarked on how much we’ve done. It’s something we’ve become known for and is setting us apart, and has opened up conversations that we wouldn’t have otherwise had.”

NEXT STEPSPowis Hughes is currently participating in a DECC heat pump metering programme, which takes regular energy measurements to accurately determine heat pump ef� ciency. “The DECC measurements are helping businesses and heat pump installers improve ef� ciencies all the time,” said Rafe. “We’re currently preparing for ISO 14001 certi� cation – the world’s most recognised environmental standard – and our renewable technologies are central to us exceeding our responsibilities. We are also actively considering our next steps in anticipation of our sustainability review.” ■

INSTALLATIONS

incentive (RHI) payments will amount to over £33,000.

Despite the increased electricity demand as a result of using the heat pump, Powis Hughes has reduced its overall heating costs because it no longer uses oil. In addition to saving money on heating bills, it is still a net exporter of electricity as it produced almost 20,000 kWh from its wind and solar installations over the same period.

BUSINESS BENEFITSApart from needing some help from GHE to start up the heat pump after the summer break, Rafe and his team are � nding it easy to live with: “We set the pump to come on in the early morning so that it’s nice and warm by the time that people turn up for work – the thermostat is set slightly warmer than before – it’s a more comfortable working temperature.”

Would he recommend other businesses to consider ground-source heating? “Absolutely, no hesitation,” said Rafe. “Regardless of your views on sustainability, it makes business sense for

“So many of our clients have remarked on how much we’ve

done. It’s something we’ve become known for and is

se� ing us apart...”

GHE Solor.indd 24 31/03/2015 12:32

APRIL 2015 25

COMPANY PROFILE

In 1960’s the � rst exports entered the Persian marketplace, and slowly afterwards began to penetrate

various European markets.By the end of 1976, Lordan added

a new product line - solar collectors, and from the 1980’s onwards, Lordan concentrated on developing the custom-made � n and tube heat exchangers for the HVAC&R markets that is known for today.

LORDAN UKIn 2004 Lordan UK was opened as Lordan’s only other manufacturing site outside of Israel.

Located in South Wales, Lordan UK is a wholly owned production subsidiary facility of Lordan (A.C.S.). The company manufactures custom-made � nned tube heat exchanger coils for refrigeration and air conditioning, condensers, evaporators, air coolers and air humidi� ers.

Lordan UK’s market is predominantly in the UK but over the past 10 years the dispatch of coils has extended to many other European countries including Eastern Europe, to the Far East, America and Africa.

The company supplies to the on and off road markets, the transportation sector, military applications, heat pumps, AHUs, construction industry and other commercial applications. In the construction sector their coils are

in many buildings including London’s Canary Wharf and The Shard.

TEN YEAR ANNIVERSARYNovember 2014 was a very special month for Lordan UK; it had been 10 years since the new coil manufacturing facility was of� cially opened by the First Minister for Wales Rhodri Morgan.

November offered a further bonus; the very � rst 7mm coil from the

new production line was produced. This follows an investment of £1 million pounds over 18 months culminating in the Lordan Triple 7 pattern now being manufactured in the UK. Lordan’s Triple 7 pattern is an optimum design offering very ef� cient heat and coolth transfer for its size. Part of the 7mm project was increasing the shop � oor area by 50% and increasing capacity and ef� ciency in general.

The MD for Lordan UK, Stuart Lancaster said “The completion of this project brings the manufacture of the technically advanced Triple 7 coil design to the British mainland which will bene� t many local coil customers. Other investments on our shop � oor ensure that Lordan UK will remain competitive for the foreseeable future and we look forward to the next 10 years working with our customers.” ■

“The completion of this project brings the manufacture of the

technically advanced Triple 7 coil design to the British mainland...”

Lordan was founded in 1958 by members of a kibbutz in Israel, developing coil heat exchange technology, known as “slil-lahat,” Hebrew for “blazing coils.” The manufacturing of the coils was a guarded process, and was given a special room under lock and key with only very few authorised personnel allowed to enter.

THE HISTORY OF LORDAN GROUP

Nov 2004: Rhodri Morgan makes a presentation to Lordan MD Stuart Lancaster at the of� cial opening

Nov 2014: All employees were given an embroidered 10 year anniversary polo shirt. MD Stuart Lancaster makes a presentation of a shirt to Shaun Sharkey, who was one of the � rst employees of Lordan UK over 10 years ago.

First 7mm coil manufactured at Lordan UK.

Lordan.indd 25 31/03/2015 12:36

Our vision is to be the No 1 supplier in the UK of the mosttechnologically innovative, energy efficient and environmentally friendly comfort cooling solutions, combined with a first classlevel of customer support.

Tomorrows technology& support services today

To find out more, contact us on 0870 843 0333or email [email protected] visit www.toshiba-aircon.co.uk

Carbon Neutral – Toshiba

demonstrated commitment to the

environment and environmental issues

by becoming the only A/C

Manufacturer in the UK to be certified

as Carbon Neutral.

Technology – Toshiba are leading

innovation by introducing reliable,

innovative and cutting edge technology

into the systems we provide.

Pre-Sales Support – Offering project

support and assistance, equipment

schedules, mechanical & electrical

schematics and full equipment

selection and advice.

Support Tools – Toshiba offer an

extensive range of easily accessible

tools including smart phone Apps and

web based solutions to support Pre &

Post sales.

24 Hour Helpline – The only

manufacturer in the UK to offer a 24

hour, 7 days per week technical

helpline where you can speak to a

trained engineer for support.

Warranty – Industry’s leading warranty

scheme offering ‘Total Peace of Mind’

fully comprehensive benefits for up to

7 years. Highlighting confidence in our

reliability.

Customer Loyalty Programme –

The original and best loyalty

programme in the industry, offering

innovative rewards and extensive

benefits to the customer.

Network – A nationwide distribution

network, providing easy access to

Toshiba equipment, spare parts and

services.

Spare Parts – European spares

stockholding located in the UK, offering

extensive parts availability and prompt

deliveries service to all of our

customers.

Commitment to Training – Toshiba

provide full training support in 12 fully

equipped facilities throughout the UK,

covering product, Industry training and

CPD training.

p25_hptmar15.indd 1 06/03/2015 14:27:12

APRIL 2015 27

OUT & ABOUT

OUT & ABOUT WITH WILL HAWKINS & HEAT PUMPS TODAY

At � rst glance, AC Heating’s air source heat pump does not appear to be radically different from what is already available

on the market. The units are built on standard Toshiba heat pumps with twin rotary compressors, and other components from well known manufacturers. Given the pedigree of the hardware, buyers should expect reliable heat pumps, at least.

TOTAL CONTROLThe big difference, however, is the control unit, AC Heating’s ‘Convert AW’ and ‘xCC Control’ system. The unit has a built-in ‘equithermal regulation’, which is when heating water temperature is adjusted according to the outside air temperature. The system provides full control over the operation of the heat pump. According to Michael, this means the heat pumps can be up to 30% more ef� cient than the same heat pump without one of their control systems � tted.

Michael explained that their complete systems can achieve a CoP (Coef� cient of Performance) of up to 5 and boasts A+++ ef� ciency. In addition, the AC Heating systems have been tested to ambient temperatures with ‘”by the book standards” including the A7W35 and A2W35 standards, according to Michael.

Michael stated, “Some competitors offer CoP � gures based on higher temperatures to begin with. CoPs will appear higher but, in effect, are less ef� cient.”

Installers programme the control unit with the individual details of each property in the design stage. Property owners can make minor adjustments, thereafter, with simple, easy to use wall controls.

Data from the system is logged externally, which installers can access to monitor their customers’ installations and spot any problems before they escalate.

QUICK PAYBACKMichael said the AC Heating systems can save their customers between 68% and 70% on their heating and hot water energy bills for houses off the grid. Potentially, property owners with an AC Heating heat pump installed could see a payback within 3.5 years in some cases, according to Michael.

The xCC Control system is also capable of handling other heating systems, such as electric boilers, solar thermal and PV panels. In addition, the control goes beyond controlling heating and cooling systems. It can also manage swimming heating and � ltration systems, garden sprinklers and metering systems.

It is more commonplace for heating and cooling systems to be accessible through the internet via smartphones, tablet PCs or the web. The AC Heating is no different here.

CAPACITY CONTROLAnother reason why the AC Heating heat pumps appear to perform so well compared to others is the rate at which they run. Most heat pumps run at either 50% or 100% of their capacity. The AC Heating heat pumps run from 30% to 100% ‘without any seasonal adjustment’. This is down to the system adjusting itself automatically against the ‘equithermal line and set up parameters’.

The AC Heating heat pumps are not con� ned to domestic properties either. In the Czech Republic, they are already

installed in multi-� oor buildings with room-by-room monitoring.

When I met Michael, the AC Heating heat pumps were close to completing the MCS certi� cation process to enable them to be eligible for the Renewable Heat Incentive (RHI). Michael will, of course, need carefully selected installers to train and deploy the heat pumps correctly.

AC Heating is new to the UK. But, since 2006, it has been crafting its systems to ensure its heat pumps deliver the ef� ciency and savings that are so important for property owners. The business is not far from being an entity which installers can take seriously. It will be interesting to watch their progress. ■

www.ac-heating-ltd.com

Earlier in January, I went to see a new heat pump business, AC Heating, run by Michael Etzioni. The company began in 2006 in the Czech Republic and already has of� ces in Germany, France, Belgium, Slovakia, Eire and now the UK. The ‘AC’ stands for ‘Absolutely Clever’.

THE ABSOLUTELY CLEVER HEAT PUMP

26 Out and About.indd 27 31/03/2015 12:41

28 APRIL 2015

FEATURECHANGING FACES

NEW MD FOR PIPE CENTER AND CLIMATE CENTERPipe Center and Climate Center have appointed Andy Wighton as their new Managing Director.

Andy was previously Wolseley Group Commercial Director and brings extensive experience of working with Wolseley Group companies to his new position. Prior to that, Andy was Chief Operating Of� cer at Wolseley Canada, a $1.4bn turnover company.

Andy � rst joined Wolseley in 2003 and during his time with Wolseley UK was a member of the Plumbing and Heating businesses leadership team in his role as Finance Director.

Commenting on his appointment, Andy said: “I’m delighted to be returning to Wolseley UK and am looking forward to progressing Pipe and Climate’s strategy. Our aim is to be the best business in the market and the distributor of choice by FY18– and I will ensure Pipe and Climate Center continues on its growth trajectory.”

CALVIN POPE JOINS WATER TREATMENT LEADER FERNOX Water treatment manufacturer Fernox has appointed Calvin Pope as its new Sales Director for the UK and Ireland. With over 30 years of experience in the Plumbing and Heating sector and having held a number of previous sales roles – Calvin is already proving a valuable member of Fernox’s experienced senior management team.

Calvin Pope began his career working on the plumbing and heating counter at his local builders’ merchant. Throughout his career, Calvin has held numerous senior management and board level positions and has gained extensive

TREATMENT LEADER FERNOX

CALVIN POPE JOINS WATER TREATMENT LEADER FERNOX Water treatment manufacturer Fernox has appointed Calvin Pope as its new Sales Director for the UK and Ireland. With over 30 years of experience in the Plumbing and Heating sector and having held a number of previous sales roles – Calvin is already proving a valuable member of Fernox’s experienced senior management team.

Calvin Pope began his career working on the plumbing and heating counter at his local builders’ merchant. Throughout his career, Calvin has held numerous senior management and board level positions and has gained extensive experience working for regional and independent merchants, a national distribution company specialising in plumbing and heating and for some of the UK’s leading boiler manufacturers.

Calvin joined Fernox in January 2015 as the company’s Sales Director for the UK and Ireland. www.fernox.com

DAVID DORNEY APPOINTED AS LEADER FOR JOHNSON CONTROLS BUILDING EFFICIENCY IN UK & IRELAND Johnson Controls is pleased to announce the appointment of David Dorney as Country Manager for its BE UK & Ireland business division. From 2004 and 2009, he was a sales manager for the business and in 2010, David was promoted to Sales Director.

David joined the North West Region Leadership Team in April 2014, having worked for Johnson Controls for 14 years in senior management roles across the business. He will be leading a customer focussed culture and developing teams whilst growing business opportunities within the North and West Europe region. Dave has recently completed the Johnson Controls Leadership Edge (JCLE) program and the company is con� dent he will enable Johnson Controls to continue growing the business by enhancing its customer relationships whilst building new collaboration.

FLEXENERGY APPOINTS NEW SALES MANAGER Fife-based pipe specialist Flexenergy has appointed Ian Urmston as Sales and Business Development Manager for the South, which is an extensive ‘patch’ encompassing Wales, the Midlands, East Anglia and all of the southern counties of England, in addition to London.

Ian has worked in the construction and energy sectors for more than twenty � ve years and will be responsible for introducing customers to Flexenergy’s energy ef� cient pre-insulated products, ranging from cooling pipes through to pipes for District Heating Schemes and solar thermal projects.

Sandy Fairley, Flexenergy’s Sales Director, added: “Ian will be playing an important strategic role for Flexenergy as we continue to expand our business throughout the UK. He knows the industry very well and with his enthusiasm and determination, I’m sure he will be very successful in his new role.”www.� exenergy.co.uk

27 Changing Faces.indd 28 31/03/2015 12:49

APRIL 2015 29

PRODUCTS

YOUR PRESS RELEASE COULD BE HERE!!

Advertise your new product or project in Heat Pumps Today digital magazine, website and

the e-newsletter for only £70+vat!

Contact Shelley BrightT: 01778 391172

E: [email protected]

TAKING THE GUESSWORK OUT OF SPECIFYING HEAT PUMPS - HITACHI HI-TOOLKIT FOR HOMESpecifying, commissioning and installing air source heat pumps can be a challenge but

Hitachi’s range of innovative Yutaki heat pumps and helpful online tools aim to make

the process that much easier for installers.

With the release of a number of new domestic heating products to the market in 2014,

Hitachi Air Conditioning Europe SAS has updated its Hi-ToolKit for Home selection software,

especially developed for specifying air source heat pumps for residential applications.

Register for the new Hi-ToolKit for Home software to help with product selection

and specification of the most economical domestic heating solution for your customer

in just a few clicks - generating a bespoke report that can be personalised with your

contact details and logo. And the new software is completely FREE for building and

heating trade professionals.

To register for Hitachi’s new Hi-ToolKit for Home, visit www.hitachi-hitoolkit.comT: 01628 585 394E: [email protected]: www.hitachiheating.com

AEROPUR®: ELCO’S NEW MCS-ACCREDITED AIR SOURCE HEAT PUMPElco UK has launched the energy efficient AEROPUR – a brand new air source heat pump

(ASHP) offering excellent COPs of up to 4.3. This new product is accredited under the

Microgeneration Certification Scheme (MCS) and available in four outputs – 6kW, 8kW, 12kW

and 15kW – while its reversible capabilities enable it to provide both heating and cooling.

Capable of operating up to 3-bar, the new AEROPUR® is a compact, all-in-one

air-to-water unit benefitting from a monoblock construction, single phase power supply

and modulating inverter driven compressor. Each model also has an in-built pump,

safety valve and expansion vessel as standard. Furthermore, in keeping with its green

credentials, every ASHP utilises the environmentally-friendly R410A refrigerant.

All AEROPUR® units are 908mm wide and 326mm deep, with heights ranging from

821mm to 1,363mm. Each ASHP can be used to provide flow temperatures of up to

60°C for heating systems incorporating radiators, making them

ideal products for consultants and specifiers looking for a

sustainable source of heating and cooling.

T: 01268 546700W: www.elco.co.uk

DEWALT LAUNCHES INNOVATIVE ANCHOR SYSTEMSDewalt now offers a complete solution for the construction professional, from power

tools to fixings, with the launch of its new range of mechanical and adhesive anchors

and direct fasteners. Suitable for most concrete and steel construction applications,

products in the range carry recognised approvals, such as ETA (European Technical

Approval), CE marking, fire resistance, ICC (International Code Council) and seismic

loading for complete user confidence.

These latest additions to the Dewalt range deliver a market-beating, ‘guaranteed

tough’ solution. From robust, easy to use tools and accessories for roofing contractors,

to heavy duty anchors, with industry leading approvals for the most demanding civil

engineering projects, Dewalt now has all the products to get the job completed.

Dewalt anchors and direct fasteners are available

through Dewalt stockists and are supported by Dewalt

directly for technical specification and advice for

architects and design engineers.

E: [email protected]: www.dewalt.co.uk/fastenings

or e-mail [email protected]

To advertise your product or project in Hot Shots, please contact:

MARCH

HOT SHOTSShelley Bright on 01778 391172

An update on new products and new applications.

This guide features the latest product launches and the most recent applications of heat pump technology.

28 Products.indd 29 31/03/2015 12:50

The system is available with a range of advance ultra stable infra-red gas analysers, which require NO CALIBRATION in service.

TQ Environmental plc, Flanshaw Way, Wakefi eld WF2 9LP+44 (0) 1924 380700 [email protected]

The TQ4200 is a compact, low cost solution to a multipoint refrigerant gas leak detection.

Anti-Corrosion Coatings for Fin Coil Heat Exchangers

U N I T E D K I N G D O M

E. [email protected]

www.Blygold.com

for Fin Coil Heat

Tel: 0117 980 2520www.climalife.co.uk/www.climalife.dehon.com

Soluti ons for Solar Thermal & Heat Pump Applicati ons

✔ Heat Transfer Fluids✔ Cleaning products

CALL NOW

GET YOUR COMPANY SEEN!A D V E R T I S E H E R E I N

www.heatpumps.today

Call James Knight on 01778 395029 or Email [email protected]

HEAT PUMPS TODAY

TUBE EXPANDING JUST GOT A WHOLE LOT EASIER

Part number

HY-EX-6 4687047 full kitHY-EX 4687048 handle only

IncludesHydraulic expanding tools with heads from 3/8th to 1.1/8plus a HD deburring tool.

Features· 120 degree angle provides a natural wrist angle· Single hand operation with release button· Accepts all common HVAC/R size copper tubin g· Soft rubberised grip for easy use.· Angle creates ease of use above head height.

Exclusive to Available from all good wholesalers

Make life easy with the new RefcoHydraulic tube expander

T: 01642 232880E: [email protected]

p29_hptmar15.indd 1 06/03/2015 14:29:38

p25_hptnov_dec13.indd 1 05/12/2013 12:16:56

Documents

Heat Pumps Today - April 2015