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."
"He was very thorough and diagnosed the issue with my AC unit."
Old Town Maintenance & Inspections Ltd.
Carlton Street East, Niagara-on-the-Lake, ON L0S 1J0
"Technician was professional and quick."
"They arrived on time and quickly diagnosed the problem."
"Jake and his team solved my hvac issues in a professional and timely manner."
"Great communication, fair pricing, and quality work."
"The technician Tyler was professional, efficient, and very honest."
"They repaired and installed my AC unit quickly and efficiently."
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"
"A pleasant gentleman (Ken) attended and solved problems in record time."
"Thank you Jay and Melissa for excellent service on my oil burning furnace."
"Great service & fair pricing."
"Without this team, HVAC/R in Niagara would be lost."
"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."
"Competent, knowledgeable and professional"
Top Rated Contractors 2026
St. Catharines, ON
About HVAC Companies
Find qualified hvac companies in St. Catharines. All listed providers are verified and rated by customers.