Heat pumps in Saint-Léonard: permits and bylaws
Planning a heat pump or an air conditioner in Saint-Léonard? Here is what the bylaws say: the permit, the distance from the lot lines, where the unit can go and the noise limit. It all comes from the official texts.
Five spots, one answer for each.
Each answer is the bylaw rule, in short. “Not specified” means the text does not say: ask urban planning.
5 dwellings or fewer: at least 2 m from the lot lines.
At least 2 m from the lot lines.
Not allowed (5 dwellings or fewer).
Only at the rear or on the side of the building. 6 or more dwellings: similar models, not visible from a public road.
6 dwellings or more: central units on the roof or inside.
Good to know, and who to call.
Good to know
- New building with 6 or more dwellings: central system only.
- Corner lot: at least 2 m from a side or rear lot line that runs along a street.
Documents to provide
- Applicant’s contact information
- Detailed description of the work
- Certificate of location
- Scale site plan
- Unit spec sheet
- Estimated cost of the work
The short answers.
Do you need a permit to install a heat pump in Saint-Léonard?
Certificate of authorization required. Published fee: $169 per unit (single-family, 5 dwellings or fewer), $327 (others).
How far from the lot lines must the unit be?
2 m minimum.
Can a heat pump go in the front yard?
No. Not allowed (5 dwellings or fewer).
What is the noise limit?
50 dB maximum, at the lot lines.
Who should I call to confirm before the work?
Permit counter, 8400 boulevard Lacordaire; 311.
Read at the source.
Sources: montreal.ca, “Obtenir un permis pour installer une thermopompe ou un appareil de climatisation”, Saint-Léonard section; zoning bylaw 1886, s. 5.9.4.2, 6.1.2.1 (table, row 31) and 6.1.2.1.1 (consolidated April 30, 2026) (page updated August 3, 2026; consolidated April 30, 2026).
Checked by AirGreen on September 30, 2026.
This page is a summary. The official bylaw prevails. Confirm with the borough before the work.
A heat pump project in Saint-Léonard?
We come and see your property, and the estimate is free.