Ontario · 16 local services · checked September 28, 2026

Home energy audits and home testing in Greater Sudbury

Greater Sudbury gets about 5,049 heating degree-days a year, 31% of its houses were built before 1961, and 10 NRCan-licensed service organizations list its postal codes. Pick a service for the local details.

Energy audits in Greater Sudbury → All 16 services
A Victorian red-brick semi-detached house with a front porch in autumn

How Greater Sudbury is built

Greater Sudbury's houses by when they were built Ten house shapes, one for each tenth of Greater Sudbury's 54,640 houses. Before 1961: 31%, 1961–1990: 47%, 1991–2000: 9%, 2001 or later: 13%. Older houses glow hotter.
  • Before 1961 31%
  • 1961–1990 47%
  • 1991–2000 9%
  • 2001 or later 13%
Each house stands for one in ten of Greater Sudbury's 54,640 houses (single-detached, semi-detached, row and duplex), drawn by when it was built. The glow shows the usual pattern: older houses tend to be leakier and less insulated. Snowfall scales with heating degree-days. Sources: Statistics Canada 2021 Census (table 98-10-0233-01), NRCan HOT2000 climate data.

Greater Sudbury at a glance

Climate

Greater Sudbury gets about 5,049 heating degree-days a year and has a winter design temperature of −27.7°C, according to NRCan's HOT2000 climate data for Sudbury.

Housing

Of Greater Sudbury's 54,640 houses (single-detached, semi-detached, row houses and duplexes), 31% were built before 1961 and 78% before 1991, according to the 2021 Census. The typical house dates from 1971–1980.

Heating

In the Greater Sudbury area, 75% of households heat mainly with a forced-air furnace; natural gas is the main heating energy for 74% of households (Statistics Canada, 2023).

Radon

Health Canada's 2012 survey found 5.1% of 97 homes tested in the Sudbury and District Health Unit health region above the guideline. The larger 2024 Cross-Canada survey reports 12.4% (1 in 8) at or above the guideline for Ontario.

Local service guides for Greater Sudbury

Energy audits and tests

An energy advisor’s kit on a front-hall bench: infrared camera, pressure gauge with tubing, tape measure, headlamp and a floor sketch

Home energy audit

10 licensed organizations
A red blower-door panel with a large fan fitted into the front doorway of a brick bungalow, a pressure gauge on a stool inside

Blower door test

5,049 degree-days
Hands holding an infrared camera aimed at a ceiling corner beside a frosty window; the screen shows a cold streak

Thermal imaging inspection

5,049 degree-days
A kitchen table with a house floor plan, a laser measure, a tape measure and a laptop showing the plan

Heat loss calculation

Design temp −27.7°C
A duct-testing fan on a basement floor connected by flexible duct to a furnace, a pressure gauge hanging from a joist

Duct leakage testing

75% forced-air
A gloved hand inserting a combustion analyzer probe into a furnace flue pipe in a basement

Combustion safety test

74% heat with gas
A heat recovery ventilator on a basement wall with four insulated ducts running up between the joists

Ventilation and humidity assessment

13% built since 2001
Loose-fill insulation between attic joists, a yellow ruler showing its depth and frost on the roofing nails above

Attic insulation inspection

78% built before 1991
Utility bills and a phone showing a monthly energy-use chart on a kitchen table

Energy bill analysis

Greater Sudbury Hydro / Hydro One

Home health tests

A small digital radon monitor on a bookshelf in a finished basement family room

Radon testing

12.4% at or above guideline (2024)
A carbon monoxide alarm on an upstairs hallway wall outside the bedrooms at night

Carbon monoxide testing

Required by law
A moisture meter pressed into water-stained basement drywall, an air-sampling pump on a tripod nearby

Mold and air quality testing

78% built before 1991
A gloved hand holding a sealed sample bag above vermiculite insulation between attic joists

Asbestos and vermiculite testing

78% built before 1991
A gloved hand swabbing layers of cracked old paint on a wooden window sill

Lead paint testing

31% built before 1961
Filling a water-sample bottle at a farmhouse kitchen tap with the aerator removed, snowy fields and a barn outside

Well water testing

Wells in some areas

For businesses and buildings

An auditor walking between rooftop heating and cooling units on a snowy commercial roof

Commercial energy audit

5 incentive programs

Who does energy evaluations in Greater Sudbury

10 NRCan-licensed service organizations list Greater Sudbury postal codes. See the list with phone numbers and coverage →

City programs in Greater Sudbury

CHIRP Home Retrofit Support (Community Home Improvement and Resiliency Program)

Free one-on-one Home Improvement Navigator service from the City of Greater Sudbury: discovery consultation, review of an EnerGuide report or repair list, an incentive roadmap before work starts, and a final check-in. Guidance only; no City rebates. Because of high demand the City is not taking on new participants yet but is collecting applications on a waitlist.

Rebates and financing for Greater Sudbury homes

Provincial · needs an evaluation Home Renovation Savings — Home Energy Assessment path Up to $10,000 per home for insulation, windows and air sealing, plus $600 back on your assessments — if the follow-up assessment is done by December 31, 2026 Open · deadline Provincial Home Renovation Savings — direct rebates (no assessment) Heat pumps up to $7,500 ($12,000 ground-source), solar with battery up to $10,000, plus attic, thermostat and appliance rebates — no assessment needed Open Federal CMHC Eco Improvement premium refund 25% back on your CMHC mortgage insurance premium after $20,000 of energy renovations Open

Cities near Greater Sudbury

Barrie259 kmRichmond Hill315 kmVaughan319 kmPeterborough319 kmMarkham321 kmBrampton325 km All 70 cities →

Sources

Checked September 28, 2026.

Planning upgrades in Greater Sudbury?

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

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