Entreprises R. & G. St-Laurent inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 589-5453In Baie-Comeau, 19 companies are listed as active for heating, ventilation or air conditioning work in RBQ data dated November 3, 2026. 17 (89%) 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 pumpsAccessibility lifts
Call · 418 589-5453Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 296-6753Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 589-6141Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 418 297-5172Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 589-0505Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 589-9622Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 589-9009Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 296-3972Renovation, construction and general workHeating, ventilation and air conditioning
Call · 418 589-9165Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-6021Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 295-2345Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-9255Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 418 589-4883Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 296-0064Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-1444Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 296-2314Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioning
Call · 418 296-9811Renovation, construction and general workPlumbersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 296-5700Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 589-4636Ad · Featured placement · examplePreview only — this is not a contractor listing
Sept-Îles 25Port-Cartier 5Havre-Saint-Pierre 4Fermont 3
Looking for a heating and cooling contractor in Baie-Comeau? All 19 companies on the list are also listed in other trades: renovation, construction and general work (17), wood stoves and fireplaces (16) and concrete and foundations (9).
Baie-Comeau ranks 2nd of 17 cities in the Côte-Nord region for this trade, with 26% of the region's 72 companies.
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.
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 Baie-Comeau: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →