Best HVAC Contractors near Wilmot, ON
1 of these companies is based in Wilmot; the others serve Wilmot from Kitchener (14 km), Waterloo (13 km) and Wellesley (13 km).
9 open 24/7 · 11 open weekends · all 15 rated 4.5+ · 1 shows a licence
Data verified October 21, 2026
Delta Air Systems Ltd.
Advance Heating & Cooling KW
Unique Air
All Year Heating and Cooling Inc.
Total Aire Care Inc.
The 15 companies listed for Wilmot, 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: Wilmot, ON
The 15 companies on this page are rated from 4.6 to 5.0 across 4,144 reviews; 14 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (87%), responsiveness (80%) and quality (77%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 9 are open around the clock; 11 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are cooling (3), furnace (3), water heater (3), air conditioners (2) and air quality (2). 1 shows a licence on its website. 5 have ten or more years of experience, the longest 29 years. 12 offer emergency call-outs; 6 offer financing or payment plans; 6 give free estimates; 1 is family- or locally-owned and 7 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 14 list a public email and 2 take 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.
Which companies listed for Wilmot answer no-heat calls at night?
Round the clock cover is stated in 9 of the 15 listings here. On a winter night that call is worth making early, because a house left without heat can freeze pipes before morning. Expect a temporary fix and a return visit once parts are available.
Arthur's Heating & Cooling
Air Comfort Mechanical Inc.
Air Expert Home Comfort Inc
Regional Air
Bast Home Comfort
Richmond Heating and Air Conditioning
Koebel Heating
BAU Mechanical Inc.
Afterglow
Why these companies made our list
What customers say about companies near Wilmot
- “Jeff was my technician and he was extremely knowledgeable, friendly and helped me understand my furnace and the idea of good heating in my home.” — customer of Summer Breeze Mechanical
- “Left the house clean after they left. They explained everything and made sure we were comfortable with how the furnace ran before they left.” — customer of Richmond Heating and Air Conditioning
- “Dan was very knowledgeable and courteous. Fixed our furnace that stopped working in the middle of -30c winter.” — customer of Regional Air
- “Thank you Colin for an amazing job recommending the two units tailored to my needs and budget for my smaller house which had a challenging cramped space for the furnace installation.” — customer of Total Aire Care Inc.
- “Professional, super friendly and was able to get my furnace up and running super quickly.” — customer of Air Expert Home Comfort Inc
Excerpts from public reviews of the companies listed on this page.
HVAC Contractors near Wilmot
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