HVAC Companies in Markham, ON
Browse 94 verified hvac companies in Markham, Ontario. Compare ratings, read reviews, and get free estimates today.
94
Providers
Markham
ON
Get Competitive Quotes from Vetted Contractors in Markham
Multiple, competitive quotes from vetted contractors for HVAC in Markham
Request a hvac quote
Showing 21-40 of 94 providers for HVAC
"All pricing are transparent, detailed quotation, and very detailed works."
"My furnace is now running quietly and more efficiently than it has in years."
"Communication and timeliness was great!"
Superior HVAC Service, Heating & Air Conditioning
55 Commerce Valley Dr W Suite 505, Markham, ON L3T 7V9
"Ryan from Superior HVAC fixed our gas value in our furance!"
"Bruce did a really good job and everything was done on time."
"Had a new furnace installed at a very competitive rate within three days."
"They came out on short notice and had my furnace up and running in no time."
"My parents furnace was broken and they come and fixed it within a day."
Top Rated Contractors 2026
Markham, ON
Every contractor shown for Markham, Ontario is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in Markham.
About HVAC Companies
Find qualified hvac companies in Markham. All listed providers are verified and rated by customers.