Heat pumps in Hudson: permits and bylaws
Planning a heat pump or an air conditioner in Hudson? 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 7 m from the rear lot line and 2 m from the side lot lines, no more than 2 m from the main building.
Not visible from the street, at least 2 m from the side lot lines and no more than 2 m from the main building.
Not allowed in front of a house. Multi-family or mixed-use building: allowed in the excess front yard, on a balcony, behind an aluminum cover.
Multi-family or mixed-use building, in the excess front yard: on a balcony, one unit per dwelling, under an aluminum cover.
Not specified in the bylaw: confirm with urban planning.
Good to know, and who to call.
Good to know
- The unit must not be visible from the street.
- Pool heat pump: at least 5 m from the side and rear lot lines, even inside a building.
- Zone R-31: same excess-front-yard conditions, set by bylaw 526.19.1.
The short answers.
Do you need a permit to install a heat pump in Hudson?
The permits bylaw does not name heat pumps: confirm with urban planning.
How far from the lot lines must the unit be?
At least 2 m from the side lot lines and 7 m from the rear lot line, no more than 2 m from the main building.
Can a heat pump go in the front yard?
Yes, with conditions. Not allowed in front of a house. Multi-family or mixed-use building: allowed in the excess front yard, on a balcony, behind an aluminum cover.
What is the noise limit?
50 dBA maximum, measured at the lot lines.
Who should I call to confirm before the work?
Urban planning department, 450 458-5347, info.urb@ville.hudson.qc.ca.
Read at the source.
Sources: Zoning bylaw 526, s. 506, 507, 523 and 525, amended by bylaw 526.19.2; permits and certificates bylaw 529, s. 400 and 401 (526: consolidation published by the Town (amendments up to bylaw 613); 526.19.2 adopted January 27, 2026, promulgated August 19, 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 Hudson?
We come and see your property, and the estimate is free.