Les Constructions DEB inc.
Heating, ventilation and air conditioning
Call · 450 558-5904Heating, ventilation and air conditioning in Dunham
RBQ data dated November 3, 2026: 5 companies active in Dunham for heating, ventilation or air conditioning work. 3 (60%) have held their licence for 10 years or more, the oldest since 1997; none got its licence in the last 90 days.
Get quotes for heating, ventilation or air conditioning work in DunhamFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →Plomberie chauffage Tremblay inc.
Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 514 603-57669545-5366 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 538-3782L'Atelier J.P.E. Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 538-03359349-2718 Québec inc.
Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 450 521-3159Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereHeating, ventilation and air conditioning · Dunham 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 Dunham
Finding a heating and cooling contractor in Dunham
Looking for a heating and cooling contractor in Dunham? 1 of the 5 companies on the list work in this trade only; the others are also listed in other trades: renovation, construction and general work (3), wood stoves and fireplaces (3) and plumbers (1).
In the Montérégie region, 1,495 companies work in this trade across 132 cities; Dunham has 5 of them (63rd).
The choice is limited in Dunham. Companies from nearby cities in the region, such as Longueuil (148), Saint-Jean-sur-Richelieu (114) and Saint-Hyacinthe (61), may also serve your area: ask them.
The RBQ numbers: heating, ventilation and air conditioning in Dunham
5companies with an active licence
0new licences in 90 daysnone in the last 30 days
3have held their licence for 10 years or more60% · the oldest since 1997
4have a $40,000 licence bondand 1 at $20,000 · may compensate a client under RBQ rules
14open public tenders within 100 km- All of them have a published phone number: you can call them directly.
- 1 licences issued by the Corporation des maîtres mécaniciens en tuyauterie du Québec (CMMTQ).
- Most common subcategories: 15.7 Residential ventilation (4), 10 Solid-fuel space heating (wood stoves, fireplaces) (3), 1.2 Small buildings (3), 1.3 Buildings of all kinds (3).
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 Dunham (2021 Census)
1,515households in a private dwelling
59%of dwellings built before 1981including 26% before 1961
83%of households own their home
89%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 Dunham: 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 Dunham
- 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