Niagara Home Heating
“As a customer, I appreciate their honesty and willingness to problem solve first.”
Best HVAC Contractors near Fonthill, ON
None of these companies is based in Fonthill; they work from towns including St. Catharines, Welland and Niagara Falls.
24 companies listed · 11 open 24/7 · 18 open weekends · 23 rated 4.5+ · 5 show a licence
Data verified October 16, 2026
Aldershot Air Conditioning and Heating
“I highly recommend Tom for anyone seeking reliable assistance with their gas requirements.”
Ideal Plumbing & Heating
“This was a big job and my husband and I are extremely satisfied with the work performed and service provided.”
Evans Heating & Cooling
“He's been my technician for years always enjoy chatting & catching up.”
Camo Gas Repair
“He determined that my Majestic fireplace was in working order, just needed a deep cleaning, which he completed.”
Performance Heating & Air Inc.
“I was embarrassed to say the least but Chad a true Professional explained everything and told me when to turn it on and off In the Summer and Winter months.”
The 24 companies listed for Fonthill, 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: Fonthill, ON
The 24 companies on this page are rated from 4.4 to 5.0 across 8,495 reviews; 21 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), responsiveness (91%) and quality (81%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 11 are open around the clock; 18 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are air conditioning (2), furnaces (2), heating (2), heating installation (2) and heating repair (2). 5 show a licence on their websites. Domain records put 8 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 14 offer emergency call-outs; 6 offer financing or payment plans; 11 give free estimates; 8 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 23 publish a contact page; 18 list a public email and 4 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.
Do any heating firms listed for Fonthill work on Saturdays or Sundays?
Saturday or Sunday hours show up for 18 of the 24 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
Montgomery Gas Heating & Cooling
“Scott has a company that is as you can see by other reviews, honest and clean and he is a trustworthy human being who stands on his word”
Williams Kool Heat
“Williams Kool Heat has always serviced our units and gets them working to their full capability, and quickly.”
Cameron's Home Comfort
“John answered our call right away, fit us into his schedule same day, had our AC repaired and running quickly - all with friendly and professional service.”
Hubbard Air
“He was extremely knowledgeable, professional and did a thorough review of our AC and furnace.”
Book onlineBook
Mackay Heating & Cooling
“They did a great job then and they still provide excellent and consistent service to keep the system maintained.”
Boyko's Heating and Air Conditioning
“The service is top-knotch, the technicians honest and knowledgeable, and the pricing is fair.”
Marty's Heating and Air Conditioning
“Brandon went above and beyond by helping me raise the a/c unit on a patio stone due to settling to get it out of the dirt.”
Brian Easton Hvac
“Timely trusted advice is offered as to the condition of our equipment and the best price for best quality replacements if necessary.”
Mr. Furnace Heating and Air Conditioning
“Bryan was very friendly and offered helpful suggestions to improve the air quality in our home.”
Emerald Plumbing AND Heating
“One of the most honest and professional business I have ever had the pleasure of dealing with.”
Bob Pietz Heating & Air Conditioning
“The guys from Pietz Heating and Air Conditioning are very professional i would highly recommend them for any job you have they are also reasonable too”
Marz Heating & Cooling Inc.
“My A/C stopped working and I am thankful for the quick response and service during the heatwave !”
Tennant's Heating and Cooling
“MIKE WAS GREAT he was fast courteous tidy and completely right about our A/C needs gold star Mike, I will be telling my friends 👌👍”
Expert Gas Inc
“Troy provided professional advise on replacing my mili vote pool heater and we couldn't be happier with what we choose.”
Book onlineBook
Acumen Plumbing
“He promptly diagnosed the plumbing issue, made the necessary repairs at a very reasonable price.”
Canadian Elements Inc
“Anytime you have any questions or concerns, these guys are at your doorstep ready to resolve the problem”
JW Furness Plumbing
“Explained everything in detail and provided us with a quote via email the same day, that was not only well layed out, but undercut the competition by far”
Konkle Plumbing & Heating
“I was impressed with the 2 young men who completed the work needed.”
Why these companies made our list
What customers say about companies near Fonthill
- “Scott and his crew were just great! Friendly, professional, prompt, easy to communicate with and left our property spotless when they installed our new mini split ductless system with a multi zone condenser unit.” — customer of Montgomery Gas Heating & Cooling
- “Wes and Nathan installed the air conditioner, they were absolutely fantastic, very professional, very knowledgeable and they go above and beyond.” — customer of Acumen Plumbing
- “Thank you Carlo. Your team was very prompt, professional and did a great job replacing our air conditioner.” — customer of Performance Heating & Air Inc.
- “Knowledgeable, friendly and committed to get our heat pump working the way it should.” — customer of Marty's Heating and Air Conditioning
Excerpts from public reviews of the companies listed on this page.
Is this page useful? Yes
No
Is there anything wrong with this page?
HVAC Contractors near Fonthill
Popular in Fonthill
, ONGuides: HVAC Contractors
Ontario CO Alarm Rules 2026: How Many You Need and Where
Central AC Replacement Cost in Canada: What You'll Pay
Furnace Replacement Cost in Canada: What You'll Pay
Furnace Smells Like Burning? What's Normal, What Isn't
Heat Pump Cost in Canada: Prices, Sizing and Rebates
How to Get Out of a Water Heater Rental in Canada