Les Constructions Patrick Langlois inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 809-1311Heating, ventilation and air conditioning in L’Ascension
In L’Ascension, 2 companies are listed as active for heating, ventilation or air conditioning work in RBQ data dated November 3, 2026. None has held its licence for 10 years.
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Heating, ventilation and air conditioning
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Other cities
Mirabel 138Blainville 99Saint-Jérôme 91Saint-Eustache 54Boisbriand 50Saint-Colomban 45Saint-Sauveur 35Prévost 31Sainte-Sophie 31Sainte-Adèle 31Mont-Tremblant 28Sainte-Thérèse 27
Other trades in L’Ascension
Finding a heating and cooling contractor in L’Ascension
In L’Ascension, 2 companies are allowed by their RBQ licence to do heating, ventilation or air conditioning work. Before you ask a heating and cooling contractor for a quote, check that the licence covers your job.
L’Ascension ranks 52nd of 64 cities in the Laurentides region for this trade, with < 1% of the region's 1,024 companies.
The choice is limited in L’Ascension. Companies from nearby cities in the region, such as Mirabel (138), Blainville (99) and Saint-Jérôme (91), may also serve your area: ask them.
The RBQ numbers: heating, ventilation and air conditioning in L’Ascension
2companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have a $40,000 licence bondand 1 at $20,000 · may compensate a client under RBQ rules
- All of them have a published phone number: you can call them directly.
- Most common subcategories: 15.7 Residential ventilation (2), 10 Solid-fuel space heating (wood stoves, fireplaces) (1), 1.2 Small buildings (1), 1.3 Buildings of all kinds (1).
Useful guides: Space heater safety: electric heaters and ethanol fireplaces · Air exchanger maintenance: filters, core and winter care · Heat pump in winter: settings, defrost and maintenance
Open data of the Régie du bâtiment du Québec as of November 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Heating, ventilation and air conditioning in Greater Montréal.
Homes in L’Ascension (2021 Census)
490households in a private dwelling
51%of dwellings built before 1981including 15% before 1961
90%of households own their home
95%of dwellings are single-detached houses
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a heating and cooling contractor in L’Ascension: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →
See also
- Heating, ventilation and air conditioning in Greater Montréal
- Licensed contractors in L’Ascension
- RBQ licence check: how to verify a Quebec contractor
- Heat pump subsidy in Quebec: LogisVert and your installer
- Winter home maintenance checklist: what to check in fall
- Renovation grants in Quebec 2026: LogisVert and Rénoclimat
- Power outage generator safety and carbon monoxide alarms
- Oil furnace replacement in Quebec: what the rules allow
- Heat pump in winter: settings, defrost and maintenance
- Air exchanger maintenance: filters, core and winter care
- Space heater safety: electric heaters and ethanol fireplaces