G.C. Lounsbury Heating & Air Conditioning
“Darcy determined that we needed a new water heater and together with Joey we had a new water heater installed within 2 hours of our phone call to their office.”
Best HVAC Contractors near Tillsonburg, ON
3 of these companies are based in Tillsonburg; the others serve Tillsonburg from towns including Burgessville, London and Woodstock.
9 open 24/7 · 11 open weekends · 23 rated 4.5+ · 2 show a licence
Data verified November 12, 2026
Oldridge Heating & Cooling
“I just had two young men from Oldridge ome and fix my water heater.”
Toasty's Heat and Cool
“They helped on short notice and the quality of the work as well as the price could not be beat.”
Fleming Home Comfort
“They make you feel like you are not just a customer but a friend.”
Hometown Heating and Cooling
“My fireplace needed a good cleaning as it wasnt working and an exceptional job done!!”
Mazza Heating and Air Conditioning
“Later that same day the sales rep showed up and gave us options on a new furnace and it arrived the next morning and installed.”
The 24 companies listed for Tillsonburg, 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: Tillsonburg, ON
23 of the 24 companies on this page have a rating, from 4.5 to 5.0 across 4,038 reviews; 10 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (92%), punctuality (69%) and responsiveness (69%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "estimates". 9 are open around the clock; 11 are open on Saturdays and 9 on Sundays. The services the companies on this page list most often on their websites are cooling (2), heating (2) and indoor air quality (2). 2 show a licence on their websites and 1 lists staff certifications (NATE). 7 have ten or more years of experience, the longest 26 years. 10 offer emergency call-outs; 6 offer financing or payment plans; 9 give free estimates; 6 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for 23 of the companies on this page; 20 publish a contact page; 19 list a public email and 1 takes 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 Tillsonburg answer no-heat calls at night?
Round the clock cover is stated in 9 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.
Optimum Climate Services
“We are pleased to have found him and this company, we definitely recommend!”
Weeda Mechanical Inc
“I have to say Mike and his crew really came through, very professional and excellent company to deal with , I would recommend 100%, they stand by there warranty !”
Hammond Air Conditioning
“They had my A/C fixed and blowing ice cubes in no time at all.”
Bucholtz Heating & Cooling
“James was completely honest with me that the distance with me being in Guelph would be added expense but happy to walk me through some troubleshooting to get an idea where problem might lay.”
Krygsman Mechanical Contracting
“We've been customers for many years and they're always there to help when we need them.”
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Rj's Mechanical Inc
“He went beyond the call of duty by also properly duct taping the seams around the air handler where air was escaping”
R & R Refrigeration
“These guys worked with my schedule, answered all my questions and were just all around respectful and def nice to chat with.”
648 Mechanical
“Daymon was super helpful in providing the correct diagnosis, the first time, on our heating issues.”
B.r.'s Plumbing & Heating Inc.
Friesen Heating & Cooling
“These boiz are awesome they look out for you, do a fanominal job, and get her done fast!”
Tson Air Heating and Air Conditioning
“They work hard and give the best possible service and are great to deal with!”
Hawana Hvac Solutions
“Was able to do service immediately, knew the problem with an older furnace and fixed the issue very fast.”
Orzech Heating and Cooling
“He walked us through what needed to be done and given what he discovered on inspection he had to some extra work.”
Aire One Heating & Cooling London
“Bill and Hirad are Awesome and explained everything very well, highly recommend”
Abode Home Comfort
“First rate service from Norms visit to check out our very old space heater wall unit, Adam visited with tape measure and alot of knowledge came up with possible solutions that worked for our unique needs.”
Select Heating and Cooling Inc.
“We are extremely happy with the service, attention to detail, friendly and courteous staff at Select Heating!”
Gastech Solutions Inc.
“Also, I appreciated Carla calling to say that Josh was running a little behind schedule.”
Lloyd's
“Janet, Isaac, Tobin and Lexie has been really great, full of knowledge, professional , thorough”
Why these companies made our list
What customers say about companies near Tillsonburg
- “Was very impressed with customer service! Made it out next day for my air conditioner diagnosis, the staff are very honest and knowledgeable.” — customer of G.C. Lounsbury Heating & Air Conditioning
- “The crew that installed my air conditioner unit were polite, clean and hard working.” — customer of Oldridge Heating & Cooling
- “Flexibility in the timing of appointments. Always on time and on schedule, outstanding customer service, highly skilled and personable technicians.” — customer of Abode Home Comfort
- “Our new furnace is running smoothly and the work was done professionally, and all the communication about the work was timely and clear.” — customer of Mazza Heating and Air Conditioning
- “They were also very respectful of my home and made sure to clean up after themselves once the job was complete.” — customer of Hawana Hvac Solutions
Excerpts from public reviews of the companies listed on this page.
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