Upgrading Beaverbrook Homes. A local approach to saving energy.

Transcription

1 Upgrading Beaverbrook Homes A local approach to saving energy.

2 Beaverbrook community Changed from the March Township in the 1960s Bill Teron planned and helped develop the garden city community of what is known as Kanata The hi-tech businesses and commercial services helped diversify the city of Kanata

3 Beaverbrook community Bill Teron

4 Beaverbrook Community The Community was originally designed for 1500 families(about 4000 people) Design criteria was to have multi generational and socio economic diversity of housing types Gordon Henderson photo credit

5 Beaverbrook Community Individual designs with a unique sense of space provided with affordability Original covenants: Exterior to be from natural materials and colours, cedar shingled roofs Modular construction with a variety of custom housing types for cost efficient building Eric Fletcher photo credit

6 Homes in Beaverbrook Two Story detached homes

7 Homes in Beaverbrook Bungalows

8 Homes in Beaverbrook Garden Homes/Attached Dwellings

9 What does this mean for Homes in Beaverbrook? 1960s-70s building code: R8 - R12 in the walls R12 - R20 in attics No minimums for Energy Efficiency No standards for windows or doors

10 What does this mean for Homes in Beaverbrook? 1960s building construction Potential opportunity for savings today

11 What does this mean for Homes in Beaverbrook? R8 - R12 in the walls Some homes allow for exterior insulation to be added. Difficult and/or costly R12 - R20 in attics Increase insulation levels. Inexpensive and easily accessed Partial or uninsulated basements Easily upgraded if unfinished HVAC upgrades on older systems Windows and Doors where applicable

12 Kanata Detached 1966 Built 1966 Natural Gas heat and hot water Natural Air Changes per Hour: (Nat ACH) Attic R12 Walls R12 Foundation ½ insulated Total modeled energy use: Gigajoules(GJ) After all improvements: 126 GJ

13 Upgrades! Yearly Energy Use (GJ): Energy Savings Calculator 0, Ottawa Savings Upgrade Payback Energy Use (%) Dollars ($)* Cost Yr Ceiling 6.5% Wall 4.7% Foundation 6.1% Floor 0.5% Windows and Doors 5.8% Air Tightness 1.6% Heating and Cooling System** 1.7% Domestic Hot Water 4.5% Ventilation System 0.3% All Upgrades 31.8% $765 $42, *Savings and paybacks are based on EnerGuide for Houses energy modeling and recent local fuel rates. **If a heating upgrade involves changing the fuel source, dollar savings can be negative.

14 Kanata Attached 1985 Built 1985 Natural gas heat Electric Hot water heater Nat ACH: Attic R32 Walls R20 Foundation R12 Total fuel consumption: GJ After all improvements: 123.1GJ

15 Upgrades! Yearly Energy Use (GJ): Energy Savings Calculator 0, Ottawa SAVINGS UPGRADE PAYBACK Energy (%) Dollars ($)* COST (Years) Ceiling 1.7% Wall 3.2% Foundation 0.2% Floor Windows and Doors 2.3% Air Tightness 3.3% Heating and Cooling System** 4.3% Domestic Hot Water 0.5% Ventilation System 0.0% na All Upgrades 14.5% $947 $34, *Savings and paybacks are based on EnerGuide for Houses energy modeling and recent local fuel rates. **If a heating upgrade involves changing the fuel source, dollar savings can be negative.

16 Kanata Detached 1970 Built 1970 Natural gas heat and hot water heater Nat ACH: Attic R51/R22 walls R12 Foundation ½ insulated Total fuel consumption: GJ After all improvements: GJ

17 Upgrades! Yearly Energy Use (GJ): Energy Savings Calculator 0, Ottawa SAVINGS UPGRADE PAYBACK Energy (%) Dollars ($)* COST (Years) Ceiling 1.8% Wall 5.1% Foundation 9.6% Floor 0.2% Windows and Doors 0.1% Air Tightness 2.1% Heating and Cooling System** 2.4% Domestic Hot Water 5.0% Ventilation System 0.0% na All Upgrades 26.4% $501 $29, *Savings and paybacks are based on EnerGuide for Houses energy modeling and recent local fuel rates. **If a heating upgrade involves changing the fuel source, dollar savings can be negative.

18 Kanata Detached 1965 Built1965 Oil heat and hot water heater Nat ACH: Attic R20 Wall s R12 Foundation ½ insulated Total fuel consumption: GJ After all improvements: GJ

19 Upgrades! 27 Yearly Energy Use (GJ): Energy Savings Calculator 0, Ottawa SAVINGS UPGRADE PAYBACK Energy (%) Dollars ($)* COST (Years) Ceiling 2.7% Wall 5.4% Foundation 5.3% Floor Windows and Doors Air Tightness 1.8% Heating and Cooling System** 12.2% Domestic Hot Water 6.0% Ventilation System 0.2% All Upgrades 32.1% $2,713 $33, *Savings and paybacks are based on EnerGuide for Houses energy modeling and recent local fuel rates. **If a heating upgrade involves changing the fuel source, dollar savings can be negative.

20 Kanata Detached 1968 Built 1968 Natural gas heat and hot water heater Nat ACH: Attic R40/R12 Walls R12 Foundation uninsulated Total fuel consumption: GJ After all improvements: GJ

21 Upgrades! Yearly Energy Use (GJ): Energy Savings Calculator 0, Ottawa SAVINGS UPGRADE PAYBACK Energy (%) Dollars ($)* COST (Years) Ceiling 1.1% Wall 3.7% Foundation 7.9% Floor Windows and Doors 7.4% Air Tightness 2.0% Heating and Cooling System** 4.8% Domestic Hot Water 3.7% Ventilation System 0.1% All Upgrades 30.7% $705 $58, *Savings and paybacks are based on EnerGuide for Houses energy modeling and recent local fuel rates. **If a heating upgrade involves changing the fuel source, dollar savings can be negative.

22 Home Owner and Occupant Behaviour Update old appliances Change out light bulbs to CFL or LED When buying new appliances look for ENERGY STAR Turn off gas fireplace pilot lights in summer Air dry dishes in the dishwasher Use a power bar that can be turned off for electronics when not in use

23 Keeping the Heat In

24 Other Known Issues in Beaverbrook Homes OREC Wiring Allan Poulsen Beaverbrook Community Association Sustain Beaverbrook Project Julie Gourley

25 Thank you! EnviroCentre is a non-profit offering practical services, programs and products focusing on building energy efficiency and sustainable transportation which help individuals, families, and organizations conserve energy, improve environmental health and act more sustainably. For more information, please contact: bridget.oflaherty@envirocentre.ca Visit us at envirocentre.ca