About Sierra Air 

Sierra Air Mechanical is proud to provide the City of Mississauga and surrounding areas with first-class commercial and residential HVAC (heating, ventilation & air conditioning) maintenance, repair services, and installations. Our quality of work and customer service reaches beyond summit levels.  Like the Sierra environment, we know how climate change can reflect on our everyday lives. No matter if it's in the corporate world or your family home, we will help you find the right solution that will make your environment comfortable. Our professional staff are highly trained and assure the best customer service.

Help You Find The Right Solution 

Our technicians are highly-skilled licensed and bonded professionals who adhere to the following strict company code: Treat every customer and their home or place of business with respect and care while delivering the most cost-effective HVAC solutions available without jeopardizing quality of service.  It is our company mission to meet the needs of commercial clients by providing reliable ’round the clock HVAC maintenance. We work together with our commercial and residential clients to form the perfect partnership - one that provides the customers of Sierra Air Mechanical with reliable HVAC systems.