HVAC Companies in Oshawa, ON
Browse 81 verified hvac companies in Oshawa, Ontario. Compare ratings, read reviews, and get free estimates today.
81
Providers
Oshawa
ON
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Showing 21-40 of 81 providers for HVAC
"They did an outstanding job—professional, on time, and very detail-oriented."
"Explained and fixed issue in a timely professional manner."
"Helped fix years of trouble with my ac in just less then a hour"
"Professional, efficient, accommodating, ,honest and fair pricing!!!!!!!"
"He quickly diagnosed and resolved the issue with our cooling system."
"Had the problem diagnosed within 30 minutes and fixed within an hour or two."
Top Rated Contractors 2026
Oshawa, ON
Every contractor shown for Oshawa, 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 Oshawa.
About HVAC Companies
Find qualified hvac companies in Oshawa. All listed providers are verified and rated by customers.