How Edmonton is built
- Before 1961 15%
- 1961–1990 37%
- 1991–2000 10%
- 2001 or later 39%
Why air leakage matters in Edmonton
Edmonton gets about 5,668 heating degree-days a year, a measure of how much heating its climate needs, and its winter design temperature, the cold day heating systems are sized for, is −30.8°C. Those figures come from the climate data for Edmonton International, the closest comparable location in that data set (26 km away) in HOT2000, the home-energy software Natural Resources Canada (NRCan) gives energy advisors. That's the 4th-highest heating demand of the 70 cities we cover. Cold winters: heating is the biggest energy cost, so stopping leaks and insulating come first.
Edmonton also gets hot spells and heat waves, so plan how the house will stay cool: air sealing, attic insulation and shading help, and a heat pump adds efficient cooling. Wildfire smoke reaches Edmonton in some summers. The Government of Canada's advice is to keep windows and doors closed, limit exhaust fans and use the best filter your system can handle, so ask the advisor what your furnace or HRV can take.
Of Edmonton's 275,750 houses (single-detached, semi-detached, row houses and duplexes), 15% were built before 1961 and 52% before 1991, according to the 2021 Census. Older houses usually test leakier than newer ones, and an EnerGuide report compares your result with homes of the same era, so you can see whether your house is typical or a problem.
After you seal: two checks
- Combustion safety. In the Edmonton area, the main heating energy is natural gas for 74% of households. A tighter house changes how fuel-burning appliances vent, so the spillage check should be repeated after serious air sealing. Combustion safety testing in Edmonton
- Radon. Sealing shifts the pressure balance between the house and the soil. Health Canada's 2012 survey found 1.4% of 73 homes tested in the Capital Health health region above the guideline. The larger 2024 Cross-Canada survey reports 16.2% (1 in 6) of houses at or above the guideline for Edmonton Metro Area (Edmonton CMA). Test before and after big air-sealing jobs. Radon testing in Edmonton
What it costs in Edmonton
A blower door test is part of every EnerGuide evaluation rather than a separate purchase. There's no provincial rebate or price list; the City of Edmonton's guidance is to expect more than $400 and to get two or three quotes.
How the test works
- A calibrated fan is fitted into an exterior door and pulls air out until the house is at 50 pascals, the standard test pressure.
- The result is air changes per hour at 50 Pa (ACH50): how many times an hour the whole volume of air would leak out and be replaced at that pressure.
- While the fan runs, you and the advisor walk the house and feel for leaks at the attic hatch, rim joists, pot lights, trim and plumbing and wiring penetrations.
- A second test after the work shows what changed, and it is what most rebates pay on.
Prairies Alberta, Saskatchewan and Manitoba
What this means in Edmonton’s climate
Long, very cold, very dry winters: air sealing, radon testing and humidity balance lead.
Why it matters here: Measures leakage and, with a thermal scan, pinpoints attic bypasses and rim joist and window leaks.
Best timing: Any season; most revealing with a thermal scan on a cold, calm day.
- Seal the top and bottom of the house. In deep cold, warm air rises and escapes through attic leaks while cold air is pulled in down low. Sealing both saves heat and helps prevent attic frost and ice dams. Ask: Ask the registered energy advisor to find attic bypasses, rim joist gaps and basement penetrations during the blower door test.
- Insulate the basement and rim joists. Basements can account for about 20% of a home's heat loss. Check for cracks and water entry first; Manitoba's clay soils cracked some foundations during the 2021 drought. Ask: Ask whether the basement is dry enough to insulate from inside, and how much air leaks at the rim joist.
What else homes in Edmonton need →
Sources for this climate guide · checked October 26, 2026
- National Building Code of Canada 2020, climate data (NRC)
- Canadian Climate Normals 1991–2020 (ECCC)
- Keeping the Heat In (NRCan)
- Air-Source Heat Pump Sizing and Selection Guide (NRCan)
- Heating and Cooling With a Heat Pump (NRCan)
- Heat pumps, Canada Greener Homes (NRCan)
- Gas and heat pump hybrid systems (NRCan)
- Primary heating systems by household, Table 38-10-0286-01 (Statistics Canada)
- Electricity price comparison, April 2025 (Hydro-Québec)
- 2024 Cross-Canada Survey of Radon Exposure
- Guide for Radon Measurements in Homes (Health Canada)
- Canada's top weather stories of 2021 (ECCC)
- Canada's most impactful weather stories of 2024 (ECCC)
- Canada's top weather stories of 2025 (ECCC)
- Conditions for thermal scans, ASTM C1060 summary (Cx Associates)
- Canada's top weather stories of 2018 (ECCC)
- Canada's top weather stories of 2022 (ECCC)
- Canada's top weather stories of 2023 (ECCC)
NRCan-licensed service organizations serving Edmonton
A service organization is a company that Natural Resources Canada (NRCan) licenses to deliver EnerGuide evaluations; its registered energy advisors do the home visit. A blower door test is part of every EnerGuide evaluation, so any organization below can do one in Edmonton. Ask to walk the house with the advisor while the fan runs.
- Acacia Engineering
- Air Barrier Canada
- All Season Inspection Profile
- Buildingexpert
- Clean Energy Solutions
- CoEfficient Building Science
- Energy Werx Profile
- Enerhold Engineering Solutions
- EnerHome Consulting
- EnerQuality
- EnerSolution Profile
- Enerspec Energy Consulting and Home Inspections
- EnerVision
- ER Energy Solutions
- Green Canada Home Advisors Profile
- Green Think
- Homesol Building Solutions
- Isle Energy Consulting
- Map Energy
- NRGwise (A1 NRGwise Consulting) Profile
- Sensible Home Inspections
- Sun Ridge Residential
- The Energuy Profile
- VerdaTech Energy Management and Consulting
- Greenbrain Profile
- EcoLogic Energy Advisors
- The Home Inspectors Group Profile
Programs that include a blower door test in Edmonton
Blower door test in Edmonton: common questions
Where can I get a blower door test in Edmonton?
Book an EnerGuide evaluation with any of the 27 NRCan-licensed organizations serving Edmonton; the blower door test is part of every evaluation.
How much does a blower door test cost in Edmonton?
It is included in an EnerGuide evaluation. There's no provincial rebate or price list; the City of Edmonton's guidance is to expect more than $400 and to get two or three quotes.
What is a good blower door result?
Lower is better. Your EnerGuide report compares your air changes per hour at 50 Pa with homes of the same era, which is more useful than a single target number.
Does air sealing affect radon?
It can. Tightening a house changes the pressure difference with the soil, so test for radon before and after major air sealing.