Ron Ball Refrigeration
“The young man who came to service our systems was prompt, friendly, efficient, capable and professional!”
Best HVAC Contractors in Brockville, ON
15 companies listed · 10 in Brockville · 2 open 24/7 · 5 open weekends · 13 rated 4.5+
Data verified October 19, 2026
TRS Heating & Cooling Climatecare Ltd.
“Thank you Ethan you were a pleasure to have working on the furnace and setting up and teaching us how to use the new ecobee”
Toshack
“Matt did an excellent job on the annual inspection of the furnace and air conditioner.”
Upper Canada Hvac Systems
“Was told I needed an entirely new system and Upper Canada Hvac fixed the problem for less than 300 dollars super nice guy!”
Brock Heating & Air Conditioning
“He cares about his customers and has such a great memory of past conversations, whether it been in terms of your professional needs or personal chit chat while he works.”
Inter-Climate Inc
“Highly recommend them to anyone looking for HVAC and Plumbing professionals in the area.”
The 15 companies listed for Brockville, ON handle furnaces and heat pumps in winter and the cooling side in summer. Profiles repeat what each firm publishes about hours, licensing and brands, with ratings and review quotes gathered from public reviews.
Area overview: Brockville, ON
10 of the 15 companies we list are based in Brockville; the other 5 serve Brockville from Prescott (20 km) and Elizabethtown-Kitley (6 km). The companies on this page are rated from 4.0 to 5.0 across 1,224 reviews; 6 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (98%), responsiveness (88%) and punctuality (85%). The topics that come up most in reviews of the companies on this page are "efficient", "cleanliness" and "estimates". 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 3 show a licence on their websites. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 2 offer emergency call-outs; 6 offer financing or payment plans; 6 give free estimates; 3 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 14 of the companies on this page; 12 publish a contact page; 10 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for Brockville work on Saturdays or Sundays?
Saturday or Sunday hours show up for 5 of the 15 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
O'Grady Air Inc.
“Friendly and professional service on my old furnace.”
Taylortech Hvac Limited
“Excellent product knowledge and they helped me find the right heat pump that qualifies for the 5k federal incentive.”
Petersen Mechanical Ltd
“Doug has been our family go to guy like forever, always will be too.”
Allseasons Heating & Cooling
“These folks do first class work and are a pleasure to deal with.”
Fireplaces Unlimited Heating & Cooling
“He knows his work, is extremely pleasant, did not mind me interrupting his work with questions and took the time to explain things when I asked.”
Sauve Heating & Air Conditioning
“Special shout out to Kristine in the office, who is always very friendly, calm and helpful when we call in.”
Brockville Hvac Inc.
“He took his time to do the job right, double checked the operating systems and ensured we were happy with everything before he left.”
Stuart Heating & Cooling
“When it came time for them to leave, they double checked that the ac worked well and they left the invoice on my table and cleaned everything up as it was before they left.”
613 Mechanical Systems
“I definitely recommend 613 mechanical to anyone that may need any gas fitting done.”
Why these companies made our list
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