HVAC Companies in St. Catharines, ON
Browse 36 verified hvac companies in St. Catharines, Ontario. Compare ratings, read reviews, and get free estimates today.
36
Providers
St. Catharines
ON
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Showing 1-20 of 36 providers for HVAC
"excellent inventory, always have parts I need in stock or by next day."
Old Town Maintenance & Inspections Ltd.
Carlton Street East, Niagara-on-the-Lake, ON L0S 1J0
"Jake and his team solved my hvac issues in a professional and timely manner."
Superior Plumbing & Heating of St. Catharines
395 Ontario St Unit 13, St. Catharines, ON L2N 7N6
"The price was affordable and the work was completed quickly"
"Thank you Jay and Melissa for excellent service on my oil burning furnace."
"Great service & fair pricing."
"I received a prompt reply, and an appointment for the next day."
"Got the parts, came back, had my hot water working again within a few hours."
"Technicians arrived quickly & installed new AC unit."
Top Rated Contractors 2026
St. Catharines, ON
Every contractor shown for St. Catharines, 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 St. Catharines.
About HVAC Companies
Find qualified hvac companies in St. Catharines. All listed providers are verified and rated by customers.