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1 57MARCH 13 2017
•Presentation by: Rick Lawlor P. Eng. LEED® AP Eastern Regional Sales Manager
Presenting to:
ASHRAE MONTREAL CHAPTER Montreal QC
Energy Exchange Opportunities Leveraging Building Wastewater
Seven35 – Condos North Vancouver, BC
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Environmentally & Economically beneficial Heat Source Reduced fossil fuel demand / GHG emissionsHeat Sink Water evaporation eliminated / Significant Electrical Energy Savings
Delivers LEED® goals & supports HPBC ‐ High Performance Building Culture
Increased Asset Value of Buildings
Economically viable; Simple pay‐back periods from immediate to ?? New and Evolving Life‐cycle Financing Solutions ; PPA / HPA
Sanitary Water Energy Exchange – Why ?
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Aquatic Centers / NatatoriumsHospitals & Long‐term CareUniversity/College CampusesPrisons
Just some of the places we are workingCommercial & Retail BuildingsCondominiums & Apartments Sport & Fitness Facilities Industrial Processes
Some of the places worth exploring ;
Geothermal Systems District Energy Systems
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Sanitary Water Energy Exchange Technology
In-Line Energy Exchange2016
Off-Line Energy Exchange2012
Seven35 – Condos North Vancouver, BC
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Typical Potable Water Flow
Aquatic Centers / NatatoriumsHospitals & Long‐term CareUniversity/College CampusesPrisonsIndustrial Breweries
Condos & ApartmentsCommercial & Retail BuildingsGEOTHERMALDistrict EnergySport & Fitness Facilities
Sanitary Opportunity
6 57REFERENCE : ASHRAE HANDBOOK HVAC Applications 2011 – SERVICE WATER HEATING – CHAPTER 50
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2012 Deployment of Off-Line Energy Exchange
Seven35 – Condos North Vancouver, BC
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Seven35 – North Vancouver, BC
Canada’s first multi-family project built to LEED Platinum and Built Green Gold Standards
Sanitary water heat recovery used for domestic hot water heating
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SWEE Potable Water Flow
Off-Line Energy Exchange
Sanitary Storage
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Filter
Filter
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2012 Deployment of Off-Line Energy Exchange System
Seven35 – Condos North Vancouver, BC
13 57Off-Line Energy Exchange System Site Sanitary Storage
Seven35 – Condos North Vancouver, BC
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• Independent Owner Validation
75% Energy Reduction vs Ngas
Offline Sanitary Energy Exchange System
Primary DHW Heating system – Ngas Top‐up
System NET Blended HCOP 3.63
Seven35 – CondosNorth Vancouver, BC
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2012 Deployment of In-Line Energy Exchange System
Seven35 – Condos North Vancouver, BC
• Independent Owner Validation – End of Year 1
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2012 Deployment of In-Line Energy Exchange System
Seven35 – Condos North Vancouver, BC
CDN $ 275,000 Green Technology InvestmentSWEE System, Heat Pumps, Concrete Tank, Hot Water & Sewage Pumps, Water & Sewage Piping, Four PH Storage Tanks, Electrical, Civil, Labour
Simple Payback – ? ? ?
Immediate
Density allowances permitted additional Condo suites to be sold by using SWEE at Parking Level ‐ Not possible with Roof Wind Turbine or Solar Panel options
17 57Off-Line Energy Exchange System Site Sanitary Storage
Seven35 – Condos North Vancouver, BC
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2016 Deployment of In-Line Energy Exchange System
In-Line Energy Exchange System Site Sanitary Storage
Seven35 – Condos North Vancouver, BC
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2016 Deployment of In-Line Energy Exchange System
Seven35 – Condos North Vancouver, BC
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2016 Deployment of In-Line Energy Exchange System
Seven35 – Condos North Vancouver, BC
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In-Line Energy Exchange
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In-Line Energy Exchange
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In-Line Energy Exchange
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In-Line Energy Exchange
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In-Line Energy Exchange System Site Sanitary Storage
Seven35 – Condos North Vancouver, BC
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2016 Deployment of In-Line Energy Exchange System
CDN $ 55,000 Green Technology Upgrade Investment 2016 self‐contained HP SWEE System, Water Piping, Venting, Electrical, Labour Re‐use existing wet‐well tank ( $ Equivalent New Fibreglass $ 10,000 close‐couple install) Re‐use PH Tanks
New Performance / Testing On‐going – Report early 2Q 2017
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Below Ground Tank:
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Above Ground Tank:
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Why ?
Example ;
Pre-design Feasibility StudyOrlando Florida Hotel Complex
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Why ?
Proposed 1100 Room Project
Kitchens
Pool
On‐site Laundry
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2 No. Solids handling pumps
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+Sewage Heat Recovery Hybrid Geothermal
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WASTEWATER & GEOTHERMAL
GSHP
GSHP
GSHP
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800 units + retail
Geothermal – Cooling Dominant
GEO Field = Building footprint
AC rejection load > Geo field
Field limited to 233 Boreholes @ 600 Feet Depth
Excess AC Rejection to;(1) Conventional Tower / Fluid Cooler (2) Site sanitary water
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SWEE Impact on GEOTHERMAL Systems233 BHs
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S W E E Impact on GEOTHERMAL Systems
233 BHs + Sanitary
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S W E E Impact on GEOTHERMAL Systems
110 BHs + Sanitary
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SWEE Financial Impact on GEOTHERMAL Systems
$ 20 / Foot GEO Drilling Install Costs
233 BHs 110 BHs + Sanitary
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Advantages of District Energy
Low‐carbon, Sustainable Energy‐Multiple buildings connected to more sustainable sources
Affordable Energy – More stable and cost competitive prices
Fuel Flexibility –It’s possible to switch to different fuel systems, and take advantage of future innovation
Decreased Building Costs – Less HVAC equipment for each building and more usable space
Alexandra District Energy Utility Richmond B.C.
District Energy
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Why ?
Sanitary Water Energy Exchange
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Why ?
Sanitary Water Energy Exchange
Now what is the Simple Payback for a Marble Floor ? (*)
(*) Reinhold WielandSpecialist in Energy Performance Contracting & Real Time Energy ManagementLinkedIn November 8 2016 https://www.linkedin.com/pulse/now‐what‐simple‐payback‐marble‐floor‐reinhold‐wieland
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Why ?
Sanitary Water Energy Exchange
Or a Fire Sprinkler System ?An Emergency Lighting System ?A Security System ?Air Conditioning Maintenance ?A New Roof ?An Insurance Package ?Rewire of Electrical System ?An Energy Efficiency Project ?
Which one needs to have a Simple Payback calculated every time?
(*)
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Why ?
Sanitary Water Energy Exchange
Simple Payback is only one way to compare investments
Consider SIR (Savings to Investment Ratio), or ROI, or IRR or Net Present Value or Lifecycle Savings.
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