GM Mechanical
HVAC contractor in London, ON.
In GM Mechanical's own words
GM Mechanical is London’s trusted choice for expert plumbing, HVAC, and gas services. We provide reliable solutions for residential and commercial clients across London and the surrounding areas. From emergency plumbing repairs and fixture installations to furnace maintenance, AC service, and expert gas fitting, our team is committed to high-quality workmanship and honest service. Whether you’re dealing with a leaky pipe or need a full HVAC system upgrade, we bring the technical expertise and local care needed to get the job done right. Call or text us today to schedule your appointment!
- Trade
- HVAC contractor
- Business address
- 645 Newbold St Unit B, London, ON N6E 2T8, Canada
- Telephone
- (647) 460-7122
- Website
- gm-mechanical.com
- Hours
-
- MondayOpen 24 Hours
- TuesdayOpen 24 Hours
- WednesdayOpen 24 Hours
- ThursdayOpen 24 Hours
- FridayOpen 24 Hours
- SaturdayOpen 24 Hours
- SundayOpen 24 Hours
From the business's Google listing, checked Oct 2026
- Register
- ON register
Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the provincial licensing body.
Google Reviews
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Clean, polite, timely, an enjoyable experience, Thank you.
Ron P.
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Garret and his team completed a few projects for a renovation of a condo of mine in 2023, installing new plumbing lines, 2 showers, washer and dryer, along with a tankless water heater. Anytime I've needed service or had any questions, he has always responded and helped. Great quality and service, will continue using for both maintenance and renovation projects.
Greg C.
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Quick, reliable and professional. Called 6pm without heat from furnace. Had the furnace running again by 12pm (noon) the next day. 5/5 service! Highly recommended!
Brian L.
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Fantastic service, always professional, and very knowledgable. They do all of my properties throughout London and surrounding area and I would highly recommend them to anybody who wants a fair price with High quality workmanship who stands by the work they do.
Forest M.
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Great service from the beginning. Any heating, plumbing, HVAC needs. They are fair, professional and very knowledgeable. I would highly recommend them.
Kahlan N.
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Excellent team! Fast, professional, quality! Hard to find d these days! I highly recommend! Hats off to your team Thanks!
Emil P.
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super knowledgeable and helpful, would recommend.
Ashley T.
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We use GM for all of our plumbing and HVAC needs. As a general contracting company, it's important that we have a mechanical company we can rely on for great work, timely service and professionalism. GM meets all these requirements and the guys are all very polite and knowledgeable. We would recommend Garrett and his team at GM for any plumbing & HVAC needs.
Blue B.
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Garrett and his team are amazing. Clean work, extremely professional, dedicated, careful and very knowledgeable. Absolute top quality workmanship! Highly recommend.
Kim E.
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Garrett and his team have taken care of my plumbing emergencies for several years now - owning an old house comes with its share of challenges and he has always been incredibly responsive and creative at solving my plumbing problems at reasonable prices. Garrett gets it and always puts client experience first, something I don't get from other tradespeople. If I could give him a higher rating, I would!
Sean M.
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Garrett and his team were very helpful fixing a broken AC. They were responsive and made the extra effort to help complete the repair as quick as possible.
Joe M.
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Garrett and his team care for each and every client as family. They are thorough and efficient, professional and friendly and do top notch work. We have used them time and time again and they will always be our go-to.
Carolyn L.
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Garrett and his team are wonderful! Quick to respond and excellent attention to detail. They did a great job fixing a leak for me as well as installing a new bathroom vanity and kitchen faucet. Highly recommend.
Sarah L.
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Goes above and beyond to give you the best possible service. Would recommend to anyone.
Laida P.
About GM Mechanical
Air conditioning installation and indoor air quality
GM Mechanical names air conditioner installation and indoor air quality among its HVAC work in London. The company also describes furnace maintenance, AC service, gas fitting, emergency plumbing repair, fixture installation, and complete HVAC upgrades for residential and commercial customers.
Its website also refers to boiler maintenance, along with financing and rental plans. That mix places heating, cooling, plumbing, and gas work under the same mechanical service offering.
GM Mechanical’s rating and round-the-clock hours
GM Mechanical has a 5.0 rating from 15 reviews. Reviewers most often mention prompt replies, professional conduct, clean work, technical knowledge, and repairs to furnaces, air conditioners, plumbing systems, and tankless water heaters.
The business is open 24 hours a day, seven days a week. Review accounts include after-hours furnace service, renovation plumbing, ongoing maintenance, and repair work at residential properties and commercial sites.
Heating and cooling work in London
London’s 1981-2010 Environment Canada normals show a mean temperature of 7.8 degrees Celsius, an average high of 12.7 degrees Celsius, and an average low of 3.0 degrees Celsius. GM Mechanical’s stated furnace maintenance, AC service, boiler maintenance, and air conditioner installation cover the heating and cooling work it names for the city.
The company describes work for both homes and commercial customers, including plumbing alongside HVAC and gas services. Its review feedback also points to repeat maintenance and renovation projects as well as individual repair calls.
Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from Statistics Canada and Environment Canada.
More HVAC contractors in London
About London
| Population | 422,324 (2021) |
|---|---|
| Average yearly snowfall | 76.5 inches |
Sources: Statistics Canada, 2021 Census. Environment and Climate Change Canada, Canadian Climate Normals 1981-2010.