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

CJ Brubacher Ltd

CJ Brubacher Ltd

4.9 48 reviews
“Had Alex install heat pumps and Chris replace the electrical panel; they did a fantastic job!”
Coupons & offersFinancing availableSince 1923Serves Waterloo regionFamily-ownedBBB accredited
19 First St E
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Shillco Mechanical

Shillco Mechanical

5.0 8 reviews
“Dan responded very quickly, was super knowledgeable and had a solution in place in no time!”
LicensedEmergency serviceSince 2011Locally owned
35 Raising Mill Gate
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Total Home Energy Systems

Total Home Energy Systems

4.8 50 reviews
“Had a new furnace and air conditioner installed and working within 2 business days of getting their quote.”
Coupons & offersFree consultationLicensedOpen 24 hoursSince 2024Family-owned
St. Jacobs, ON
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Delta Air Systems Ltd.

Delta Air Systems Ltd.

4.8 48 reviews
“Delta Air systems were truly professional and prompt, right from Consultation to delivery, install & Service with clear & continuous communications throughout.”
Free estimatesECRA/ESA licence #700895424/7 emergency serviceSince 1970Serves Kitchener, Waterloo +11Family-owned
Waterloo, ON
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Advance Heating & Cooling KW

Advance Heating & Cooling KW

5.0 50 reviews
“They figured out my issue with my air conditioning and i will be calling them again if i have an issue.”
Coupons & offersOpen 24 hoursFinancing
Kitchener, ON
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Book onlineBook
Hy-Mark Home Comfort

Hy-Mark Home Comfort

4.7 49 reviews
“Jacob Adams was able to walk me through what was going on with my furnace.”
Coupons & offers24/7 emergency serviceSatisfaction guaranteeFinancing availableSince 2004Serves Guelph, Kitchener, Cambridge
Guelph, ON
i

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

Unique Air

4.9 48 reviews
“Ali worked very efficiently on mounting the fireplace and he also helped us with mounting the tv to the wall without extra charge.”
Coupons & offersFree consultationOpen 24 hoursSince 2018
Kitchener, ON
i
Able Air Conditioning & Heating

Able Air Conditioning & Heating

5.0 49 reviews
“They were very kind and curtious, quick to install and easy to communicate with.”
Coupons & offers24/7 emergency service0% financing25+ yearsServes Kitchener, Waterloo +2Licensed
Kitchener, ON
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Infiniti Air Kitchener

Infiniti Air Kitchener

4.8 50 reviews
“They have always been responsive and attentive and I would highly recommend them for furnace and AC service and if you're looking to replace your system.”
Licence #313A14,743 customers servedServes Kitchener–Waterloo, Waterloo Region +2Family-ownedOpen 24 hoursSince 2011
Kitchener, ON
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365 Heating & Cooling Inc.

365 Heating & Cooling Inc.

4.9 48 reviews
“After scheduling an appointment, the contractor Christopher and Eddy came by and installed it quickly and with little to no assistance needed from us.”
Coupons & offersOpen 24 hoursSince 2023Financing
Kitchener, ON
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Aido Climate Solutions Inc.

Aido Climate Solutions Inc.

4.9 48 reviews
“They have even kept our much older air conditioning in good repair without any expensive issues.”
Free estimatesFinancing availableSince 2016Serves Wellington CountyFamily-ownedMaintenance plans
Guelph, ON
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Boehmers/Cronin Emery Home Services by Enercare

Boehmers/Cronin Emery Home Services by Enercare

4.8 50 reviews
“He fixed the issue with ease and offered important tips that I truly appreciated.”
Coupons & offersFree phone consultationServes Kitchener, Waterloo, CambridgeLicensedOpen 24 hours
Cambridge, ON
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Jambreeze Heating and Cooling

Jambreeze Heating and Cooling

4.9 49 reviews
“We would highly recommend JamBreeze and they will be our preferred heating and cooling company going forward.”
Free estimates24/7 emergency serviceSame-day serviceSince 2019Serves Cambridge
Cambridge, ON
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Total Aire Care Inc.

Total Aire Care Inc.

5.0 48 reviews
“We reached out a couple days after the service because our AC wasn't running and they responded to our email within 10 minutes to resolve it (we realized after we might have flipped the switch off and not them).”
24/7 emergency serviceServes Waterloo RegionMaintenance plans
Kitchener, ON
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Arthur's Heating & Cooling

Arthur's Heating & Cooling

4.9 50 reviews
“I will always appreciate his kind help in this matter and recommend his services wholeheartedly.”
Emergency serviceSince 2009
Kitchener, ON
i
Regional Air Heating & Cooling Inc

Regional Air Heating & Cooling Inc

4.9 49 reviews
“I contacted Regional and within a hour Nick showed up and started to explain the problem.”
Free estimates24/7 emergency service30+ yearsServes Kitchener, Waterloo +2Family-owned
Kitchener, ON
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Guelph Climatecare

Guelph Climatecare

4.6 47 reviews
“My technician Greg was nice, explained my options, did what needed to be done and was done in about an hour.”
Coupons & offers24/7 emergency serviceServes Guelph, Waterloo, CambridgeFree consultationLicensedSince 2018
Guelph, ON
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Air Comfort Mechanical Inc.

Air Comfort Mechanical Inc.

5.0 50 reviews
“He was quick and efficient with diagnosing the issue with the furnace.”
Coupons & offersFree estimatesTSSA licence #0000284487Insured up to $2MServes Waterloo Region, Brant +3Open 24 hours
Serving Elmira Area
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Richmond Heating and Air Conditioning

Richmond Heating and Air Conditioning

4.9 50 reviews
“Kevin and his team did a amazing job on time did a wonderful job and we're very efficient left our place very tidy and clean great job with the installation job well done fellows”
Coupons & offersSince 2008FinancingLocally owned
St. Clements, ON
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Bast Home Comfort

Bast Home Comfort

4.6 47 reviews
“They are passionate about the products they sell and stand behind it.”
Coupons & offersFinancing availableSince 1988Family-owned
Waterloo, ON
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Waterloo Energy Products & Mechanical Inc.

Waterloo Energy Products & Mechanical Inc.

4.8 45 reviews
“They sized the whole system, guided me through the process, removed my old AC and furnace and installed the new ASHP system with no issues.”
Coupons & offers24/7 emergency serviceServes London, Maryhill +10Since 2010Financing
Maryhill, ON
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Service 1st Heating and Cooling

Service 1st Heating and Cooling

4.9 49 reviews
“On-time with a full report of the service done and how the system is operating with tips on things to watch out for.”
Coupons & offersFree consultation30+ yearsServes Cambridge, Kitchener +3FinancingLocally owned
Cambridge, ON
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Comfort Plus Heating and Cooling

Comfort Plus Heating and Cooling

4.9 50 reviews
“The guys were super friendly and knowledgable answered all my questions, and took care of my problem”
Free estimates24/7 emergency serviceFinancing availableSince 1999Serves Brantford, Hamilton, CambridgeMaintenance plans
Cambridge, ON
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UC Experts / Ultra Comfort Guelph

UC Experts / Ultra Comfort Guelph

4.8 50 reviews
“He was very professional, and taught me a few tips and tricks to keep everything working well.”
Guelph, ON
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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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