Quebec · 16 local services · checked September 28, 2026

Home energy audits and home testing in Montréal

Montréal gets about 4,028 heating degree-days a year, 48% of its houses were built before 1961, and 3 NRCan-licensed service organizations list its postal codes. Pick a service for the local details.

Energy audits in Montréal → All 16 services
A brick Montréal plex with exterior spiral staircases in winter

How Montréal is built

Montréal's houses by when they were built Ten house shapes, one for each tenth of Montréal's 221,340 houses. Before 1961: 48%, 1961–1990: 38%, 1991–2000: 6%, 2001 or later: 8%. Older houses glow hotter.
  • Before 1961 48%
  • 1961–1990 38%
  • 1991–2000 6%
  • 2001 or later 8%
Each house stands for one in ten of Montréal's 221,340 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.

Montréal at a glance

Climate

Montréal gets about 4,028 heating degree-days a year and has a winter design temperature of −22.3°C, according to NRCan's HOT2000 climate data for Mctavish.

Housing

Of Montréal's 221,340 houses (single-detached, semi-detached, row houses and duplexes), 48% were built before 1961 and 86% before 1991, according to the 2021 Census. The typical house dates from 1961–1970.

Heating

In the Montréal area, 54% of households heat mainly with electric baseboards, 15% with a heat pump, 10% with a forced-air furnace and 6% with a boiler and radiators; electricity is the main heating energy for 71% of households, natural gas for 5% and oil for about 2% (Statistics Canada, 2023).

Radon

Health Canada's 2012 survey found 6.9% of 73 homes tested in the Région de Montréal health region above the guideline. The larger 2024 Cross-Canada survey reports 17.4% (1 in 6) of houses at or above the guideline for Montréal Metro Area (Montréal CMA).

Local service guides for Montréal

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

3 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

4,028 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

4,028 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 −22.3°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

10% forced-air
A gloved hand inserting a combustion analyzer probe into a furnace flue pipe in a basement

Combustion safety test

5% heat with gas
A heat recovery ventilator on a basement wall with four insulated ducts running up between the joists

Ventilation and humidity assessment

8% 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

86% built before 1991
Utility bills and a phone showing a monthly energy-use chart on a kitchen table

Energy bill analysis

Hydro-Québec

Home health tests

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

Radon testing

17.4% at or above guideline (2024)
A carbon monoxide alarm on an upstairs hallway wall outside the bedrooms at night

Carbon monoxide testing

Not required (recommended)
A moisture meter pressed into water-stained basement drywall, an air-sampling pump on a tripod nearby

Mold and air quality testing

86% built before 1991
A gloved hand holding a sealed sample bag above vermiculite insulation between attic joists

Asbestos and vermiculite testing

86% built before 1991
A gloved hand swabbing layers of cracked old paint on a wooden window sill

Lead paint testing

48% 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 rare

For businesses and buildings

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

Commercial energy audit

4 incentive programs

Who does energy evaluations in Montréal

In Quebec, EnerGuide evaluations for existing homes run through the provincial Rénoclimat program; the organizations below are the ones NRCan lists for Montréal postal codes.

3 NRCan-licensed service organizations list Montréal postal codes. See the list with phone numbers and coverage →

City programs in Montréal

RénoPlex (subsidies to renovate 1- to 5-unit buildings)

City of Montréal renovation subsidy that includes energy work. Examples: replacing oil or gas heating with a central heat pump $1,350 per unit (central electric heating $1,000 per unit), oil water heater to electric $550, exterior foundation insulation $9 per linear m per R5, and for Bloc 2 buildings (2 to 5 units, low assessed value) wall insulation $4/m2 per R4, attic insulation $3/m2 per R20, windows $410 each, doors $550, white-membrane flat roof $70/m2. Maximum $26,000 for a single-family house and $52,000 for 2 to 5 units. Building value must be at or below $3,860/m2 (Blocs 1 and 3); minimum request $3,000 ($500 for Bloc 3). Approval is needed before work starts (allow 3 to 4 months).

Rebates and financing for Montréal homes

Provincial · needs an evaluation Rénoclimat (Quebec) Quebec's audit-linked path: an assigned evaluator for $150 + tax (refunded except the tax when you receive assistance), then rebates for insulation, air sealing, doors and windows Open Provincial Hydro-Québec LogisVert Heat pump grants scaled to capacity — $50–$120 per 1,000 BTU/h — plus appliances and solar, no audit needed Open Federal CMHC Eco Improvement premium refund 25% back on your CMHC mortgage insurance premium after $20,000 of energy renovations Open Federal Canada Greener Homes Affordability Program Free retrofits for low-to-median-income households in BC, Manitoba, Nova Scotia, PEI and Quebec — not available in Ontario Open · deadline

Cities near Montréal

Laval11 kmLongueuil14 kmTerrebonne23 kmSaint-Jean-sur-Richelieu35 kmTrois-Rivières124 kmSherbrooke134 km All 70 cities →

Sources

Checked September 28, 2026.

Planning upgrades in Montréal?

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