Compare top-rated hvac providers in St. Catharines. Profiles include verified reviews, service details, and direct contact options.
From $50
Up to $500
Open 24/7
At Mr. Furnace Heating and Air Conditioning in St. Catharines, we specialize in comprehensive HVAC services, from air conditioning contracting to …
From $50
Up to $500
Open 7:00 AM – 11:00 PM
At Superior HVAC Service, Heating & Air Conditioning in St. Catharines, we specialize in providing comprehensive solutions for all your heating an…
From $50
Up to $500
Closed until Sat, 7:00 AM
At Brian Easton HVAC in St. Catharines, we specialize in comprehensive heating, ventilation, and air conditioning (HVAC) services for your home. O…
From $50
Up to $500
Open 24/7
In St. Catharines homes, a reliable HVAC system is crucial for comfort and efficiency. At Impact Mechanical HVAC, we're more than just your local …
From $50
Up to $500
Open 24/7
In the heart of St. Catharines, we are Reliance Heating, Air Conditioning & Plumbing - your trusted neighbors in home comfort solutions. Our exper…
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We show only active businesses that pass moderation. Results are specific to St. Catharines and nearby service areas, and inactive profiles are removed to keep the list current.
Ratings and reviews come from customers who used the service. Compare hvac pros in St. Catharines by experience, responsiveness, and value before you reach out.
Filter by neighborhood, check locations on the map, and find providers close to home or work in St. Catharines. Listings are refreshed regularly — October 2026.
The same listings in the closest cities — providers there often take jobs in St. Catharines too. Mileage is the approximate distance from St. Catharines.
Looking for hvac in St. Catharines? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.
Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.
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The best! 5 stars for everything, from my first call to arranging the furnace installation. I especially liked how they respected my property and kept it clean. Super service!
Big thanks to Kurtis for the fast transaction and installation of my new boiler. Kurtis and the team did a very great job!
Kurtis was very professional and easy to talk to. I would recommend him to anyone. Great job and fast.👍
Excellent and promt service!!! Very thorough, explained everything that needed to be done with our sump pump and will be fixed today! I am very happy with their service and would highly recommend!
Shoutout to Brian of Superior HVAC for making repairs on my broken furnace. The team immediately scheduled the repair at my convenience.
Would highly recommend! Our AC broke in the heat wave and they were super quick to come check it out and were able to fix it next day :)
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