Constructions Unibec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 276-4140RBQ data dated November 4, 2026: 19 companies active in Dolbeau-Mistassini for heating, ventilation or air conditioning work. 15 (79%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 276-4140Renovation, construction and general workPlumbersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 276-1952ElectriciansPlumbersHeating, ventilation and air conditioningConcrete and foundations
Call · 418 276-2275Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 276-6377Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 276-4140Heating, ventilation and air conditioning
Call · 418 515-3583Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 276-9133Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundations
Call · 418 276-4245Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 276-7933PlumbersHeating, ventilation and air conditioning
Call · 418 239-0736Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundations
Call · 418 630-1848Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 276-0650Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 879-1234Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 515-1241Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 276-8678Heating, ventilation and air conditioning
Call · 418 276-1771Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 276-7551Renovation, construction and general workHeating, ventilation and air conditioning
Call · 418 276-4436Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 276-2969Ad · Featured placement · examplePreview only — this is not a contractor listing
Saguenay 104Alma 27Saint-Félicien 7Saint-Bruno 7Jonquière 4Roberval 4Normandin 3Saint-Ambroise 3Saint-Nazaire 3Hébertville 3Mashteuiatsh 3
Looking for a heating and cooling contractor in Dolbeau-Mistassini? 2 of the 19 companies on the list work in this trade only; the others are also listed in other trades: renovation, construction and general work (14), wood stoves and fireplaces (14) and concrete and foundations (8).
In the Saguenay–Lac-Saint-Jean region, 210 companies work in this trade across 31 cities; Dolbeau-Mistassini has 19 of them (3rd).
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 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Heating, ventilation and air conditioning in Greater Montréal.
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 Dolbeau-Mistassini: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →