Heat pumps in Delson: permits and bylaws
Planning a heat pump or an air conditioner in Delson? 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 m from the lot lines. Hidden from the street by an opaque fence, dense hedge or landscaping.
At least 1 m from the lot lines. Hidden from the street by an opaque fence, dense hedge or landscaping.
Not allowed in the front yard.
Multi-unit buildings only: a heat pump serving a single dwelling, screened if visible from the street.
Not allowed on the roof of a main or accessory building.
Good to know, and who to call.
Good to know
- The unit must sit on the ground or on a support designed for that purpose.
- Zones H-302 to H-306 (Domaine des Cheminots): heat pumps and A/C units in the rear yard only.
- In apartment buildings, noise is measured inside the complainant’s unit.
The short answers.
Do you need a permit to install a heat pump in Delson?
No permit or certificate required.
How far from the lot lines must the unit be?
1 m from the lot lines.
Can a heat pump go in the front yard?
No. Not allowed in the front yard.
What is the noise limit?
Over 55 dB by day (7 a.m. to 9 p.m.) or 50 dB at night (9 p.m. to 7 a.m.), measured at the complainant’s property: not allowed.
Who should I call to confirm before the work?
Urban planning department, 450 632-1050, ext. 3315, urbanisme@ville.delson.qc.ca.
Read at the source.
Sources: Zoning bylaw 901, s. 128 (table, line 22), 265, 266 and 899; permits and certificates bylaw 907, s. 17 (table); nuisance bylaw 1010-01, s. 3.2.4 and 3.3 (zoning: consolidated up to bylaw 901-40 (March 2025); permit table: version of November 20, 2018).
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 Delson?
We come and see your property, and the estimate is free.
