Heat pumps in Carignan: permits and bylaws
Planning a heat pump or an air conditioner in Carignan? 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.
1 m from the lot lines with an opaque screen (3 m without one), no more than 2 m from the house.
1 m from the lot lines with an opaque screen (3 m without one), no more than 2 m from the house.
With an opaque screen only, at least 5 m from the front lot line and no more than 2 m from the house.
Buildings with 2 or more dwellings: one unit per dwelling, 2 m from a neighbour’s window or balcony, surrounded by a guardrail.
Not specified in the bylaw: confirm with urban planning.
Good to know, and who to call.
Good to know
- The screen (low wall or rigid, opaque fence) must be at least as tall as the unit; wood, masonry or acoustic panels.
- Corner lot: 2 m from the secondary front lot line with a screen.
- The City’s permit quick-reference chart and its online request portal have no heat pump entry.
The short answers.
Do you need a permit to install a heat pump in Carignan?
Not specified in the bylaws: confirm with urban planning.
How far from the lot lines must the unit be?
With an opaque screen: 1 m from the side and rear lot lines, 5 m from the front lot line, 2 m from the secondary front lot line; without a screen: 3 m from any lot line.
Can a heat pump go in the front yard?
Yes, with conditions. With an opaque screen only, at least 5 m from the front lot line and no more than 2 m from the house.
What is the noise limit?
Over 55 dBA beyond the lot lines: not allowed, at any time.
Who should I call to confirm before the work?
Urban planning and sustainable development department, by appointment; Citizen services, 450 658-1066, info@carignan.quebec.
Read at the source.
Sources: Zoning bylaw 483-U, s. 163 (line 24) and s. 174; nuisance bylaw 434 (2023), s. 24; permits and certificates bylaw 485-U (consolidation 485-11-U) (zoning: consolidated up to bylaw 483-42-U (in force June 19, 2026); 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 Carignan?
We come and see your property, and the estimate is free.
