Newfoundland and Labrador · 16 local services · checked September 28, 2026
Home energy audits and home testing in St. John's
St. John's gets about 4,578 heating degree-days a year, 22% of its houses were built before 1961, and 7 NRCan-licensed service organizations list its postal codes. Pick a service for the local details.
How St. John's is built
- Before 1961 22%
- 1961–1990 42%
- 1991–2000 11%
- 2001 or later 26%
St. John's at a glance
Climate
St. John's gets about 4,578 heating degree-days a year and has a winter design temperature of −12.8°C, according to NRCan's HOT2000 climate data for St-John's International.
Housing
Of St. John's's 42,120 houses (single-detached, semi-detached, row houses and duplexes), 22% were built before 1961 and 64% before 1991, according to the 2021 Census. The typical house dates from 1971–1980.
Heating
In the St. John's area, 58% of households heat mainly with electric baseboards, about 7% with a heat pump, about 7% with a boiler and radiators and about 6% with a forced-air furnace; electricity is the main heating energy for 65% of households and oil for 12% (Statistics Canada, 2023).
Radon
Health Canada's 2012 survey found 4% of 100 homes tested in the Eastern Regional Integrated Health Authority health region above the guideline. In the City of St. John's free test-kit program, about 345 kits went out in November 2024 and 278 homes completed testing over the winter; about one in ten of them were above Health Canada's 200 Bq/m³ guideline. The participants were volunteers, so it isn't a random survey.
Local service guides for St. John's
Energy audits and tests
Home energy audit
7 licensed organizations
Blower door test
4,578 degree-days
Thermal imaging inspection
4,578 degree-days
Heat loss calculation
Design temp −12.8°C
Duct leakage testing
about 6% forced-air
Combustion safety test
No piped gas
Ventilation and humidity assessment
26% built since 2001
Attic insulation inspection
64% built before 1991
Energy bill analysis
Newfoundland PowerHome health tests
For businesses and buildings
Who does energy evaluations in St. John's
7 NRCan-licensed service organizations list St. John's postal codes. See the list with phone numbers and coverage →
City programs in St. John's
Make the Shift (Shift Program) - Home Energy Navigators
Free Home Energy Navigator guidance for homeowners in the City of St. John's, from econext with support from the City (FCM Green Municipal Fund). It covers planning upgrades, finding grants and rebates, and access to lower-interest energy-retrofit loans through program partner Newfoundland and Labrador Credit Union (rates not published), plus optional financial-advisor help. Launched September 2025; site updated June 2026.
Make the Shift subsidized initial energy audit
For a limited time, Shift Program participants in St. John's can get an initial energy audit (EnerGuide) subsidized to $99, which the City describes as 80% off the regular cost. Book at maketheshiftnl.ca, 709-979-0362 or hello@maketheshiftnl.ca.
Rebates and financing for St. John's homes
Cities near St. John's
Sources
- Health Canada — Cross-Canada Survey of Radon Concentrations in Homes, final report (2012), Table 5
- City of St. John's — free radon test kits (results of the 2024–25 round)
- 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 St. John's?
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.
Email us what you’re planning, your postal code and the type of building (a house, a duplex or triplex, or a larger multi-unit building) — we’ll reply with registered service organizations for your area and which rebates apply.
Email dave@clickshift.ca