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Air sealing
ELA
Key efficiency factor
ELA rates total leakage in a home’s air barrier including ceilings, walls and floors.
Air barriers with lower ELA are more energy efficient… more
ELA rates total leakage in a home’s air barrier including ceilings, walls and floors.
Air barriers with lower ELA are more energy efficient.

ELA combines all holes responsible for uncontrolled air flow through a home’s air barrier.
ELA is short for equivalent leakage area at 10 pascal indoor/outdoor pressure difference. less
Typical range of NEW sealed air barriers:
90 sq. in. ELA
Air barrier
60 sq. in. ELA
Air barrier
30 sq. in. ELA
Air barrier
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Discover ideas, technology, rebates & more
Maintaining your heat recovery ventilator
See advice at homeskor.com
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CMHC Guide 4 pages
Spot ventilation and source control
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air sealing
US Department of Energy Guide 4 pages
DOW, building solutions
See manufacturer at building.dow.com
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air sealing
DOW Air Sealents
Home Owners helping Homeowners
See retailer at homehardware.ca
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air sealing
Home Hardware 1-877 940-5081
Descair aerosol spray adhesive
See accessory at descair.ca
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air sealing
Descair Spray-N-Bond Series
Knowledgeable, reliable, reasonable - get it all in one call
See contractor at acecare.ca
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air sealing
Pro Ace Heating & Mechancial Ltd. (604) 454-7700
Fresh air begins with fresh thinking
See service at bcfurnace.com
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air sealing
BC Furnace (604) 415-9471
Home Equity: Your Home Is a Financial Resource
See financing at hsbc.com
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air sealing
HSBC Home Equity Line of Choice
Air sealing using a blower door to measure reduction in leakage area
Sealed air barrier
15 sq. in. ELA
CertainTeed Saint Gobain page about air sealing using a blower door to measure reduction in leakage area
See product at certainteed.com
See more products
air sealing
Air Barrier Stop uncontrolled air flow
Air sealing including weatherstripping all windows, doors, and hatches
Sealed air barrier
160 sq. in. ELA
See product at certainteed.com
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air sealing
Air Barrier Stop uncontrolled air flow
Dupont, the miracles of science
See manufacturer at dupont.ca
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air sealing
Dupont Air Sealent
More Saving. More Doing
See retailer at homedepot.ca
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air sealing
The Home Depot 1-800 628-0525
We're proud to offer services for insulation and fire protection to our customers throughout lower British Columbia
See contractor at northwestsprayfoam.ca
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air sealing
Northwest Spray Foam (604) 695-1578
Your home can be your most powerful financial tool
See financing at tdcanadatrust.com
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air sealing
TD Canada Trust Home Equity Line of Credit
Battic pet door, seals airtight and saves energy
See accessory at batticdoor.com
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air sealing
Battic Door Security Door Series
When it comes to home inspections, we're on it under it and above it.
See service at harrisonhomeinspections.ca
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air sealing
Harrison Home Inspection (604) 230-5536
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