Projex International Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 460-5839RBQ data dated November 3, 2026: 11 companies active in Saint-Mathias-sur-Richelieu for heating, ventilation or air conditioning work. 6 (55%) have held their licence for 10 years or more, the oldest since 1995; none got its licence in the last 90 days. Close by: Chambly (30), Saint-Bruno-de-Montarville (25) and Belœil (21).

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 460-5839Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 403-0888Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 434-9029Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 898-1591Heating, ventilation and air conditioning
Call · 514 574-1234Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 995-9028Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 968-9213Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 951-8293Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 992-6104Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 918-6478Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 715-1651Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 1,112Chambly 30Saint-Bruno-de-Montarville 25Belœil 21Mont-Saint-Hilaire 33Longueuil 148Sainte-Julie 36Brossard 61La Prairie 23Boucherville 43Candiac 32
Looking for a heating and cooling contractor in Saint-Mathias-sur-Richelieu? 1 of the 11 companies on the list work in this trade only; the others are also listed in other trades: wood stoves and fireplaces (10), renovation, construction and general work (8) and new home builders (1).
In the Montérégie region, 1,495 companies work in this trade across 132 cities; Saint-Mathias-sur-Richelieu has 11 of them (38th).
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 Saint-Mathias-sur-Richelieu: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →