Ontario · 16 local services · checked September 28, 2026
Home energy audits and home testing in Hamilton
Hamilton gets about 3,449 heating degree-days a year, 34% of its houses were built before 1961, and 25 NRCan-licensed service organizations list its postal codes. Pick a service for the local details.
How Hamilton is built
- Before 1961 34%
- 1961–1990 35%
- 1991–2000 10%
- 2001 or later 21%
Hamilton at a glance
Climate
Hamilton gets about 3,449 heating degree-days a year and has a winter design temperature of −15.6°C, according to NRCan's HOT2000 climate data for Burlington Piers.
Housing
Of Hamilton's 167,240 houses (single-detached, semi-detached, row houses and duplexes), 34% were built before 1961 and 69% before 1991, according to the 2021 Census. The typical house dates from 1971–1980.
Heating
In the Hamilton area, 75% of households heat mainly with a forced-air furnace; natural gas is the main heating energy for 65% of households and electricity for 20% (Statistics Canada, 2023).
Radon
Health Canada's 2012 survey found 5% of 100 homes tested in the City of Hamilton Health Unit health region above the guideline. The larger 2024 Cross-Canada survey reports 12.0% (1 in 8) of houses at or above the guideline for the Hamilton, ON (Hamilton CMA) metro area.
Communities around Hamilton
Hamilton's pages cover the whole City of Hamilton, including Alberton, Ancaster, Binbrook, Copetown, Dundas, Freelton, Hannon, Jerseyville, Lynden, Millgrove, Mount Hope, Rockton, Sheffield, Troy and Waterdown.
The organizations and professionals listed for Hamilton may or may not travel to every community, so ask when you call.
Area guides for the surrounding region, with every town and hamlet listed: Niagara Region area guide (Niagara Falls, Welland, Fort Erie, Grimsby and more); Haldimand County area guide (Caledonia, Dunnville, Hagersville and more).
Local service guides for Hamilton
Energy audits and tests
Home energy audit
25 licensed organizations
Blower door test
3,449 degree-days
Thermal imaging inspection
3,449 degree-days
Heat loss calculation
Design temp −15.6°C
Duct leakage testing
75% forced-air
Combustion safety test
65% heat with gas
Ventilation and humidity assessment
21% built since 2001
Attic insulation inspection
69% built before 1991
Energy bill analysis
Alectra Utilities / Hydro OneHome health tests
For businesses and buildings
Who does energy evaluations in Hamilton
25 NRCan-licensed service organizations list Hamilton postal codes. See the list with phone numbers and coverage →
Ontario directory: verified advisor profiles for Hamilton, with prices where published.
Rebates and financing for Hamilton homes
Cities near Hamilton
Sources
- Health Canada — Cross-Canada Survey of Radon Concentrations in Homes, final report (2012), Table 5
- Evict Radon National Study with Health Canada — 2024 Cross-Canada Survey of Radon Exposure (report v1.1)
- NRCan — Canadian Geographical Names Database (official place names)
- Land Information Ontario — municipal boundaries (lower and single tier)
- NRCan — HOT2000 Climate Map: heating degree-days and design temperatures for 403 locations
- Statistics Canada — 2021 Census, households by period of construction and dwelling type (table 98-10-0233-01)
- Statistics Canada — Households and the Environment Survey 2023, primary heating systems (table 38-10-0286-01)
- NRCan — Service organizations for existing homes (list checked September 25, 2026)
Planning upgrades in Hamilton?
Tell us where you are and what you’re planning. We’ll connect you with a registered service organization for your area — no spam, no shared lead lists.