HVAC in Thunder Bay

Certified HVAC contractor serving Ontario homeowners and businesses. Furnace and AC installation, repair, and maintenance. Heat pumps, ductless systems, and smart thermostat upgrades. Available 24/7 for emergencies.

Also serves: Thunder Bay

Clow Darling is the largest complete mechanical service contractor in Northwestern Ontario specializing in plumbing, heating, cooling, boilers and piping for the industrial, commercial, and residential markets. Our services also include a mobile air conditioning and heating department. Over the years Clow Darling has helped install extensive infrastructure in remote First Nations communities requiring expertise and the right equipment provide solutions in these areas.

Also serves: Thunder Bay, Fort Frances, Geraldton

Ontario's HVAC specialists for residential and commercial comfort. Air conditioner repair, furnace replacement, heat pump installation, and indoor air quality solutions. Licensed gas fitters and TSSA-certified technicians.

Also serves: Thunder Bay

HVAC experts providing sales and service for all types of furnaces, air conditioners, water heaters, emergency plumbing services and more. Call 1-888-837-1451.

Also serves: Ottawa, London, Mississauga, Windsor

Full-service heating and cooling company with years of experience across Ontario. New system installations, tune-ups, filter replacements, and duct cleaning. Carrier, Lennox, and Trane authorized dealer. Call for a free quote.

Also serves: Thunder Bay