Heat pumps in Sainte-Marthe: permits and bylaws
Planning a heat pump or an air conditioner in Sainte-Marthe? 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 3 m from the lot lines and no more than 2 m from the house wall.
At least 3 m from the lot lines, no more than 2 m from the house wall. In the side setback, hidden from the street by landscaping.
Not allowed in the front yard or the secondary front yard.
Multi-family buildings only: allowed on a balcony, hidden from the street by landscaping.
Allowed on a roof slope other than the one facing the street.
Good to know, and who to call.
Good to know
- No mechanical equipment on the main façade or on any wall facing a street.
- Rooftop equipment visible from a street: hidden by an opaque screen.
The short answers.
Do you need a permit to install a heat pump in Sainte-Marthe?
Certificate of authorization required before installation.
How far from the lot lines must the unit be?
3 m from the side and rear lot lines, no more than 2 m from the house wall.
Can a heat pump go in the front yard?
No. Not allowed in the front yard or the secondary front yard.
What is the noise limit?
Noise measured at the lot lines: 45 dB maximum.
Who should I call to confirm before the work?
Urban planning department, permis@sainte-marthe.ca; town hall 450 459-4284.
Read at the source.
Sources: Zoning bylaw 230, s. 7.25, 8.16 and 8.17; permits and certificates bylaw 233, s. 2.13, table 2.1 (checked September 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 Sainte-Marthe?
We come and see your property, and the estimate is free.
