Ontario · area guide · 9 communities · checked October 8, 2026
Home energy audits, radon and well water testing in Caledon
Caledon is home to 76,581 people (2021 Census), and 10% of their houses were built before 1961. This guide covers 9 communities, from Bolton, Caledon East, Caledon Village and Palgrave to the smallest hamlets, with the local numbers that shape an energy audit or a home health test.
Population (2021)
76,581
Communities listed
9
Houses built before 1961
10%
Heating degree-days
4,421
Orangeville MOE
How Caledon is built
- Before 1961 10%
- 1961–1990 32%
- 1991–2000 21%
- 2001 or later 36%
This page covers the Town of Caledon, the rural northern part of the Region of Peel, including Bolton, Caledon East, Caledon Village, Palgrave and the hamlets around them. Brampton and Mississauga have their own pages.
Six local guides for Caledon
Energy audits and heat pump sizing
Caledon at a glance
People and homes
76,581 people and 24,795 private dwellings in 2021, up 15.2% in population since 2016.
Housing
Of the 22,940 houses in Caledon (single-detached, semi-detached, row houses, duplexes and mobile homes), 10% were built before 1961 and 43% before 1991, according to the 2021 Census. The typical house dates from 1991–1995.
Climate
Environment and Climate Change Canada's 1981–2010 climate normal at Orangeville MOE (15.6 km from the middle of the area) is 4,421 heating degree-days a year, with a January mean of −7.5°C. The building code's 2.5% January design temperatures for the area run from −19°C to −21°C.
Radon
In Health Canada’s 2012 survey, none of the 89 homes tested in the Peel Regional Health Unit were above the guideline, a small sample that doesn't rule radon out. The larger 2024 Cross-Canada survey reports 12.4% (1 in 8) of homes at or above the guideline for Ontario as a whole.
Wells
Free bacteria testing (E. coli and total coliforms) through the provincial Public Health Ontario program. Peel's well pages cover construction, maintenance and abandonment but give no testing locations; get bottles through Public Health Ontario, which says to contact your public health unit for a kit.
Energy advisors
NRCan's list (checked October 8, 2026) shows 25 service organizations registered for postal codes in Bolton, Caledon and Caledon Village. Confirm they travel to your community.
Heating
Province-wide, 58% of Ontario households heat mainly with natural gas, 18% with electricity, 4% with propane and 1% each with oil and wood (Statistics Canada, 2023); there's no published breakdown for this area alone.
Every community in Caledon
Grouped by municipality, with 2021 Census populations. Names come from Natural Resources Canada's geographical names database and Statistics Canada's population centres.
- Town of Caledon 76,581Alton, Belfountain, Bolton, Caledon East, Caledon Village, Cheltenham, Inglewood, Palgrave
Covered on city pages
- Brampton 656,480Brampton has its own pages.
Who does the work in Caledon
- Energy evaluations and heat loss calculations: NRCan's list (checked October 8, 2026) shows 25 registered service organizations for postal codes in Bolton, Caledon, Caledon Village. See them with phone numbers; confirm they travel to your community.
- Radon: certified measurement and mitigation professionals are listed in the C-NRPP directory ↗.
- Wood stoves and chimneys: WETT-certified professionals are listed in the WETT directory ↗; see wood-burning inspections in Caledon.
- Well water: free bacteria tests through the local public health unit; chemistry through a licensed private lab. Details for Caledon.
Rebates and financing for Caledon homes
Nearby city pages and guides
Sources
- Statistics Canada — 2021 Census population and dwelling counts (table 98-10-0002-01)
- Statistics Canada — 2021 Census, households by period of construction and dwelling type (table 98-10-0233-01)
- Statistics Canada — 2021 Census population centres (table 98-10-0011-01)
- NRCan — Canadian Geographical Names Database (official place names)
- Environment and Climate Change Canada — Canadian Climate Normals 1981–2010
- National Research Council — National Building Code of Canada 2020, Appendix C, Table C-2 (climatic design data)
- Health Canada — Cross-Canada Survey of Radon Concentrations in Homes, final report (2012), Table 5
- NRCan — Service organizations for existing homes (list checked October 8, 2026)
- Land Information Ontario — municipal boundaries (lower and single tier)
- Evict Radon National Study with Health Canada — 2024 Cross-Canada Survey of Radon Exposure (report v1.1)
- Peel Public Health — private well water testing
- Statistics Canada — Households and the Environment Survey 2023, primary heating systems (table 38-10-0286-01)
Planning upgrades in Caledon?
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