Heat Pump Field Trials Progress So Far…

Jaryn BradfordDevelopment Manager - Renewables

Energy Saving Trust

22 June 2009

EST Heat Pump Field Trials

• Project update• Site selection• Installation• Monitoring/data collection• Data analysis• Customer engagement

Presentation will cover:

The Energy Saving Trust

• Promoting the need for action• Provide information and advice• Offer practical support

Mission: To lead 60 million people to act on climate change

EST Heat Pump Field Trials

Completed and present monitoring projects:

• Field trials aim to inform the consumer.

Project Update

• 80 fully monitored sites– Additional data contributed by Mitsubishi

and British Gas

• 15 manufacturers

• ~30 social housing/50 private

• 10 sites each in NW and Scotland

• 6 Funding Manufacturers

EST Heat Pump Field Trials

Consultation process• 100+ comments received from industry • Peer review process undertaken with UK,

EU, and IEA experts.

EST Heat Pump Field Trials

Site selection process• 100+ responses from interested

householders.• Further sites submitted from:

Working in Partnership

Doncaster Council

Community Energy

Solutions

Residents(6 sites)

St Ledger Housing

Association

EA Technology& Gastec at

CRE

ENERGY SAVING TRUST

Bramhall Construction

Electrical Contractor

Mechanical Contractor

Heat Pump Manuf

Barriers Overcome

• Identifying ‘suitable’ sites & keen householders

• Supply of equipment• Learning curve: plumbing &

installation of equipment • Scheduling installers and site

visits

EST Heat Pump Field Trials

• Project update• Site selection• Installation• Monitoring/data collection• Data analysis• Customer engagement

Site Description

System Schematics

Temperature Data

Room and Ambient Temperatures

0

5

10

15

20

25

0 2 4 6 8 10 12 14 16 18 20 22 24

time

Tem

per

atu

re (

deg

C)

Ambient Ground temperature Ambient Air temperature

Lounge temperature Upstairs temperature

Heat Output

Central Heating Heat

01

23

45

67

89

1011

1213

14

0 2 4 6 8 10 12 14 16 18 20 22 24

time

Hea

t kW

(av

erag

e o

ver

5 m

in)

0

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

Ele

ctri

city

kW

( av

erag

e o

ver

5 m

in)

Central Heating Heat Meter Circulation Pump Electricity 2Circulation Pump Electricity 3 Heat Meter 2Heat Meter3 Circulation Pump Electricity

Customer Engagement

• Customer perception of technology

• Customer usage/behaviour

• Private + social housing

• Interviews, questionnaires, focus groups (quarterly)

• Final report – April 2009

These new advice centres are based in:

Scotland 5North West 3North East 1Yorks and Humber 2London 1East Midlands 1

West Midlands 1East 2South West 1South East 2Northern Ireland 1Wales 1

Customer Dissemination

Energy Saving Trust Advice Centres:

-21 in total

-Regional manager structure

-Act on CO2 helpline

Project Timeline

Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr

Data Collection

Quarterly Reports to Steering Group

Consultation with Industry

Issue Final Report

Energy Saving Trust Field Trials

For further information contact:

Jaryn Bradford

0207 222 0101