Heat pumps in L’Assomption: permits and bylaws
Planning a heat pump or an air conditioner in L’Assomption? 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 3 m from the lot lines.
At least 3 m from the lot lines. Semi-detached or row house: 0.5 m from the party line with an opaque screen.
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
- Semi-detached or row house: the opaque screen on the party line must be at least 2 m long and no more than 3 m high, starting from the house.
- Include a site sketch with the application; processing time: 30 days.
- Pool heat pump: at least 3 m from a lot line, hidden from the street and neighbours by a fence, low wall or hedge.
The short answers.
Do you need a permit to install a heat pump in L’Assomption?
Permit required before installation (site sketch required).
How far from the lot lines must the unit be?
3 m from the lot lines (0.5 m from a party line with an opaque screen).
Can a heat pump go in the front yard?
No. Not allowed in the front yard.
What is the noise limit?
Nuisance bylaw 078: no figure; the 2015 text of zoning bylaw 300-2015 (s. 206) set 50 dB at the lot lines: confirm with urban planning.
Who should I call to confirm before the work?
Urban planning division, 450 589-5671, bureauducitoyen@ville.lassomption.qc.ca.
Read at the source.
Sources: Zoning bylaw 300-2015, s. 206 and 227; City’s official online permit portal (type “Appareil de climatisation, thermopompe et génératrice - Résidentiel”); nuisance bylaw 078-2003, s. 2.1 (zoning 300-2015 (October 2015, s. 206 text shown on the City’s portal in 2026); nuisance bylaw 078 consolidated (amendments 1 to 9); 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 L’Assomption?
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