Heat pumps in Dorval: permits and bylaws
Planning a heat pump or an air conditioner in Dorval? 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.
Allowed in the rear yard and rear setback.
Allowed in the side yards and side setbacks of residential (H) zones. Not allowed in the Vieux-Village (V) and central urban sector (U) zones.
Not allowed in the front yard or front setback.
Not specified in the bylaw: confirm with urban planning.
Not specified in the bylaw: confirm with urban planning.
Good to know, and who to call.
Good to know
- No permit, but the unit must comply with the zoning bylaw.
- Vieux-Village (V) and central urban sector (U) zones: rear yard only.
The short answers.
Do you need a permit to install a heat pump in Dorval?
No building permit or certificate of authorization.
How far from the lot lines must the unit be?
No distance from the lot lines set: the unit may encroach into the side and rear setbacks.
Can a heat pump go in the front yard?
No. Not allowed in the front yard or front setback.
What is the noise limit?
Nuisance bylaw: disturbing noise more than 5 dBA above the ambient noise is prohibited; no figure specific to heat pumps.
Who should I call to confirm before the work?
Urban Planning Department, 514 633-4084, amenagementurbain@ville.dorval.qc.ca.
Read at the source.
Sources: Zoning bylaw RCM-60A-2015, chapters 4, 5 and 7 (tables of accessory uses, constructions and equipment, Table 356, row 23); permits and certificates bylaw RCM-60F-2016, s. 34 and 51; nuisance bylaw RCM-20-2007, s. 4.1 (consolidated to December 16, 2025 (RCM-60A-2015); consolidated to July 17, 2025 (RCM-60F-2016)).
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 Dorval?
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