Best HVAC Contractors near Elmira, ON
2 of these companies are based in Elmira; the others serve Elmira from towns including Kitchener, Cambridge and Guelph.
15 open 24/7 · 19 open weekends · all 24 rated 4.5+ · 6 show a licence
Data verified October 21, 2026
Shillco Mechanical
Total Home Energy Systems
Delta Air Systems Ltd.
Advance Heating & Cooling KW
Hy-Mark Home Comfort
The 24 companies listed for Elmira, 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: Elmira, ON
The 24 companies on this page are rated from 4.6 to 5.0 across 5,922 reviews; 22 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (76%) and quality (74%). The topics that come up most in reviews of the companies on this page are "efficient", "estimates" and "price". 15 are open around the clock; 19 are open on Saturdays and 17 on Sundays. The services the companies on this page list most often on their websites are heating (4), cooling (3), duct cleaning (3), heat pumps (3) and indoor air quality (3). 6 show a licence on their websites. 11 have ten or more years of experience, the longest 29 years. 19 offer emergency call-outs; 14 offer financing or payment plans; 9 give free estimates; 6 are family- or locally-owned and 16 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 21 publish a contact page; 19 list a public email and 3 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Elmira answer no-heat calls at night?
Round the clock cover is stated in 15 of the 24 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.
Unique Air
Able Air Conditioning & Heating
Infiniti Air Kitchener
365 Heating & Cooling Inc.
Aido Climate Solutions Inc.
Boehmers/Cronin Emery Home Services by Enercare
Jambreeze Heating and Cooling
Total Aire Care Inc.
Arthur's Heating & Cooling
Regional Air Heating & Cooling Inc
Guelph Climatecare
Air Comfort Mechanical Inc.
Richmond Heating and Air Conditioning
Bast Home Comfort
Waterloo Energy Products & Mechanical Inc.
Service 1st Heating and Cooling
Comfort Plus Heating and Cooling
UC Experts / Ultra Comfort Guelph
Why these companies made our list
What customers say about companies near Elmira
- “Kevin and Colin came to install our heat pump and furnace and they both were kind, personable, professional and knowledgeable.” — customer of Richmond Heating and Air Conditioning
- “Great service from start to finish. Very responsive, quick to schedule work and answered all my questions.” — customer of Delta Air Systems Ltd.
- “I recently booked a furnace/ac tune-up. Technician, Mark, was on time, knowledgeable, efficient & friendly.” — customer of Total Home Energy Systems
- “As promised, they were done same day, and took the time to educate me on how things work, including the new thermostat.” — customer of Infiniti Air Kitchener
- “They came quickly and not only found the problem immediately but after fixing it the technician also cleaned the furnace and gave it an inspection.” — customer of Richmond Heating and Air Conditioning
Excerpts from public reviews of the companies listed on this page.
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