Ventilation Air J.C. inc.
Heating, ventilation and air conditioning
Call · 514 809-8755Heating, ventilation and air conditioning in Les Coteaux
In Les Coteaux, 12 companies are listed as active for heating, ventilation or air conditioning work in RBQ data dated November 3, 2026. 8 (67%) have held their licence for 10 years or more, the oldest since 1992; none got its licence in the last 90 days.
Get quotes for heating, ventilation or air conditioning work in Les CoteauxFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →9153-3182 Québec inc.
Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 576-9196Groupe Unifab inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 267-4040DNL Construction Inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 601-1279Toitures S. Numainville & Fils (2013) inc.
Heating, ventilation and air conditioningRoofers
Call · 450 267-9377Plomberie M-G service inc.
PlumbersHeating, ventilation and air conditioning
Call · 514 973-1791G.S. confort inc.
Heating, ventilation and air conditioning
Call · 514 884-7581Les Constructions Mario Fontaine inc.
Renovation, construction and general workHeating, ventilation and air conditioning
Call · 514 796-73919379-5870 Québec inc.
Heating, ventilation and air conditioning
Call · 450 268-93179489-4425 Québec inc.
Heating, ventilation and air conditioning
Call · 514 269-4650Gestion Hervé Claude Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 514 838-6507Les Constructions Dostie et Fils Inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 267-9654Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereHeating, ventilation and air conditioning · Les Coteaux and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Longueuil 148Saint-Jean-sur-Richelieu 114Saint-Hyacinthe 61Brossard 61Salaberry-de-Valleyfield 46Boucherville 43Saint-Lazare 40Vaudreuil-Dorion 36Sainte-Julie 36Châteauguay 33Mont-Saint-Hilaire 33Candiac 32
Other trades in Les Coteaux
Finding a heating and cooling contractor in Les Coteaux
Looking for a heating and cooling contractor in Les Coteaux? 4 of the 12 companies on the list work in this trade only; the others are also listed in other trades: renovation, construction and general work (5), wood stoves and fireplaces (5) and new home builders (2).
Les Coteaux ranks 36th of 132 cities in the Montérégie region for this trade, with 1% of the region's 1,495 companies.
The RBQ numbers: heating, ventilation and air conditioning in Les Coteaux
12companies with an active licence
0new licences in 90 daysnone in the last 30 days
8have held their licence for 10 years or more67% · the oldest since 1992
6have a $40,000 licence bondand 6 at $20,000 · may compensate a client under RBQ rules
15open public tenders within 100 km- All of them have a published phone number: you can call them directly.
- 2 licences issued by the Corporation des maîtres mécaniciens en tuyauterie du Québec (CMMTQ).
- Most common subcategories: 15.7 Residential ventilation (8), 6.1 Wood framing (6), 10 Solid-fuel space heating (wood stoves, fireplaces) (5), 1.3 Buildings of all kinds (5).
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 Les Coteaux (2021 Census)
2,415households in a private dwelling
28%of dwellings built before 1981including 13% before 1961
67%of households own their home
48%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 Les Coteaux: 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 Les Coteaux
- 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