Heat pumps in Lorraine: permits and bylaws
Planning a heat pump or an air conditioner in Lorraine? 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 1.5 m from the lot lines (0.6 m for a semi-detached or row house), hidden by a screen of conifers or a fence.
Rear part of the side yard only, same distances, hidden by a screen of conifers or a fence.
Not allowed in the front yard.
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
- Lot next to a park, street or footpath: use the side yard facing that space; on the other side, an acoustic screen is required.
- Include a plan of the location; a copy of the certificate of location is strongly recommended.
The short answers.
Do you need a permit to install a heat pump in Lorraine?
Certificate of authorization required before installation. Published fee: $30.
How far from the lot lines must the unit be?
1.5 m from the lot lines (0.6 m for a semi-detached or row house).
Can a heat pump go in the front yard?
No. Not allowed in the front yard.
What is the noise limit?
50 dBA max at the complainant’s lot line, day and night (when background noise is under 50 dBA).
Who should I call to confirm before the work?
Urban planning and environment department, 450 621-8550, ext. 233, urbanisme@lorraine.ca.
Read at the source.
Sources: Zoning bylaw URB-03, s. 8.2.2 (table) and 8.7; permits bylaw URB-02, s. 6.1.1 (11) and 3.4; quality-of-life bylaw 230-3, s. 11.2; lorraine.ca, “Environnement et équipements extérieurs” (URB-03: consolidated June 19, 2026; URB-02: March 17, 2025; 230-3: July 9, 2026).
Checked by AirGreen on September 30, 2026.
This page is a summary. The official bylaw prevails. Confirm with the city before the work.
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