Heating & Air Conditioning in Toronto, ON

Smile HVAC - Your Local Heating & Cooling Company. Toronto's Best HVAC Service. Open 24/7 with office staff. Smile HVAC will help you with repair, service and installation of any HVAC equipment including furnace, air conditioner, water heater, humidifier, water treatment systems and more. We have the best HVAC professionals at your service.

Best HVAC services with GTA HVAC, the premier choice in Toronto, Ontario. Reliable installations, repairs, & maintenance for all your heating & cooling needs. GTA HVAC is the HVAC contractor operating in Toronto, Canada, and surrounding areas. Since 2006, we have been proud to serve our local communities, providing an award-winning service that puts an emphasis on quality, transparency, and communication.

Toronto’s Trusted HVAC Service Contractor! We've been the trusted choice for Toronto area HVAC services for over 25 years. We offer: HVAC Installation (we install top-rated products that provide the performance you expect along with money-saving energy efficiency), HVAC Repair (we offer same-day service on all repairs as well as 24/7 emergency repairs. Our services come with a one year repair guarantee), HVAC Service (keep your system running smoothly with our affordable annual maintenance service), Air Quality Solutions (breathe easier with our air purifiers, duct cleaning service, and other air quality services).

We are a family owned and operated company serving the Greater Toronto Area for the past 70+ years. This experience, paired with our dedication to quality and over-delivering on our service promise, has established us as one of the best heating, furnace and air conditioning companies in Toronto. Laird & Son Heating & Air Conditioning is the oldest independent Lennox dealer in Canada and we operate on values that place the customer first by providing swift, 24 hour emergency service for boiler repair, furnace repairs, tankless water heater repair, and air conditioner service and installations.

Climax Heating & Air Conditioning provides the best repair, maintenance, and installation service in Toronto for air conditioning, furnace and water heater. Climax Air Conditioning is a Toronto based company servicing the whole Toronto city and its surroundings. We provide repair, maintenance and installation of air conditioner, water heater, furnace, and tankless water heater repair system. Our team of professionals and experts who have a complete knack of how to fix any type of problem and are trained in installation. You can enjoy installing and repairing services for both heating and cooling systems which can elevate your comfort level.

DeMarco Mechanica - Residential & Commercial HVAC Services. DeMarco Mechanical offers HVAC services including installation, repair, replacement of furnaces, water heaters, heating & air conditioning, and gas line. DeMarco Mechanical Services Inc. specializes in servicing, installing, and maintaining all heating and cooling equipment. Including boilers, combination boilers, ductless split cooling and heat pump units, water heaters, tankless systems and central air conditioning.