Did you know that your version of Internet Explorer is out of date?
To get the best possible experience using our website we recommend downloading one of the browsers below.

Internet Explorer 10, Firefox, Chrome, or Safari.

Email: [email protected]
Questions? Call us at 905-232-4821

Guaranteed HVAC Services - TORONTO


At Sierra Air Mechanical we have been offering first class heating, ventilation and air conditioning (HVAC) installation, maintenance and repairs to both our business, and residential clients for over 20 years. We offer everything you need for your boiler system, heating, ventilation, and cooling systems with a team of highly trained professionals servicing Toronto and the GTA.

Toronto is a world-class city located on the shores of Lake Ontario offering the amenities, shopping, dining and entertainment experiences you can expect in a highly diverse urban center. Toronto is known for its melting pot of neighbourhoods from cultural China to Greek Town, to industry-specific hot spots such as the entertainment and fashion districts. It has a comprehensive subway and transit system accessible from all points north, south, east and west making it easy to travel all around town. It also features lovely parkland, biking and hiking trails and beaches, a rare find for a bustling city.

Service & Value

We are known around town as the go-to HVAC experts providing superior service at highly competitive rates. Toronto customers trust us for our experience, integrity and fair prices offering highly durable HVAC systems designed to last. We can help you find the perfect high-quality system for installation and advise you on the best maintenance programs to keep your system humming all year round.

Licensed Technicians

You don’t want to trust your HVAC system to just anyone. Our team of highly trained fully licensed Toronto HVAC technicians combine years of service with ongoing education to remain on the leading edge of the industry. We believe ongoing training provides the tools our technicians need to tackle any issue. We are fully equipped to offer service for your boiler system, heating, ventilation and cooling needs whether it’s for your home or business. Our top rate service is performed to ensure we are 100 percent compliant with local codes for your safety. We are highly experienced in installation, repairs and maintenance guaranteeing your system will be operating at peak performance.

100% Satisfaction Guaranteed

We are committed to customer satisfaction, and stand behind every job we complete with a customer service guarantee. It is our goal to go above and beyond for each customer so we can exceed your expectations. From your initial phone call to the moment we complete the work, you will receive first class service from our entire team. We provide prompt service, for booked appointments and emergency calls so we are there when you need us.

Toronto HVAC Services

Our Toronto HVAC services include:

  • Boiler installation
  • Boiler repairs
  • Snow melt
  • Ductless installation
  • Ductless repairs
  • HVAC Installation
  • HVAC Maintenance
  • Heating and cooling services
  • Rooftop heating and cooling units, heat pump, fan coil and more
  • HVAC Repairs including furnace and air conditioning service/heating and cooling services

You can depend on us to provide high quality, affordable HVAC services performed by a knowledgeable team. We are your number one choice in Toronto and the GTA.

For more information or to speak to a friendly member of our team, contact us here or call 905-232-4821. You’ll soon find out why we’ve been an industry leader for the past 20 years.