Heat pumps in Dunham: permits and bylaws
Planning a heat pump or an air conditioner in Dunham? 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, at least 2 m from the property lines.
Allowed in the side yards, at least 2 m from the property lines.
Allowed in the front yard if the unit is hidden, at least 2 m from the property lines.
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
- Accessory constructions must respect the front setback set in the zone’s grid (7 m in zones RR-1 and RR-2).
- The bylaw allows each accessory construction only once per lot: for more than one unit, confirm with urban planning.
- The bylaw also requires 2 m between an accessory construction and the main building: confirm with urban planning for a heat pump.
The short answers.
Do you need a permit to install a heat pump in Dunham?
Building permit required (accessory construction).
How far from the lot lines must the unit be?
2 m from the property lines.
Can a heat pump go in the front yard?
Yes, with conditions. Allowed in the front yard if the unit is hidden, at least 2 m from the property lines.
What is the noise limit?
Bylaw 512-25 (RM 460) on peace, order and nuisances: no figure for heat pumps (noise that disturbs the peace is prohibited).
Who should I call to confirm before the work?
Urban planning (permits), permis@ville.dunham.qc.ca; city hall, 450 295-2418.
Read at the source.
Sources: Zoning bylaw 382-19, s. 90, 91 and 99; permits and certificates bylaw 388-19, s. 29 and 32; bylaw 512-25 (RM 460), s. 36 (zoning: administrative version up to bylaw 519-25 (in force August 26, 2025)).
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 Dunham?
We come and see your property, and the estimate is free.