Heat pumps in Mont-Royal: permits and bylaws
Planning a heat pump or an air conditioner in Mont-Royal? 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.
At least 2 m from the lot lines.
At least 2 m from the lot lines. No more than two units per side yard.
At least 2 m from the lot lines and set back at least 1 m from the main-entrance wall. Vegetation screen if visible from the street.
Not allowed for a single-family or two-family house. Other buildings: only if built before May 15, 2025, with a visual screen.
Not allowed for a single-family or two-family house. Other buildings: flat roof allowed, with a visual screen.
Good to know, and who to call.
Good to know
- Single-family or two-family house: the unit must be fully hidden by a vegetation screen if visible from the street.
- Window air conditioner of 12,000 Btu/h or less: no permit.
- A spec sheet giving the noise level in dBA is required with the application.
The short answers.
Do you need a permit to install a heat pump in Mont-Royal?
Building permit required before installation. Published fee: $10 per $1,000 of work, $300 minimum.
How far from the lot lines must the unit be?
At least 2 m from every lot line.
Can a heat pump go in the front yard?
Yes, with conditions. At least 2 m from the lot lines and set back at least 1 m from the main-entrance wall. Vegetation screen if visible from the street.
What is the noise limit?
52 dBA from 7 a.m. to 10 p.m. and 48 dBA from 10 p.m. to 7 a.m., measured on the inside of the lot line.
Who should I call to confirm before the work?
Urban planning and land development department, 514 734-3042, urbanisme@ville.mont-royal.qc.ca.
Read at the source.
Sources: Zoning bylaw 1441 (consolidated to April 30, 2026), s. 12 and 207; permits and certificates bylaw 1444 (consolidated April 2026), s. 37 and 104 (consolidated to April 30, 2026).
Checked by AirGreen on September 30, 2026.
This page is a summary. The official bylaw prevails. Confirm with the city before the work.
A heat pump project in Mont-Royal?
We come and see your property, and the estimate is free.