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Some of our top rated boiler repair specialists in Bolton

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Northwest Gas Ltd
Rating: 5 out of 5
Boiler repair specialist in Bolton
Best of the Best 2022
Best of Awards 2022
Northwest Gas is a fully licensed company specializing in sales, installation, servicing and repair of residential and commercial heating and air conditioning equipment.Servicing the GTA's heating and cooling needs since 1985. At Northwest Gas Ltd we build our reputation on providing dependable superior quality products and service to the consumer at competitive prices. Northwest Gas Ltd. operates in a professional manner and will treat your property with the respect it deserves.
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Latest review:
Install or replace gas systems and pipes- 11 Apr 2025
Anthony at Northwest Gas responded quickly to my request for a quote and availability. His team showed up on time and effortlessly completed the project within the day and cleanup afterwards. I would definitely recommend Northwest Gas.
Airsense Mechanical Heating & Cooling Inc.
Rating: 4.6 out of 5
Boiler repair specialist in Bolton
Hvac contractor in Vaughan Open 24 hours
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Latest review:
I found Majid on Facebook and he was the first to answer with a realistic estimate for Lennox Elite furnace and a heat pump. He came the next day and gave a firm quotation which was hundreds $ (even thousands) less than any other quotation we had had. Work was scheduled for the next week and completed totally satisfactorily in one day. I referred Majid to my neighbour and my son and their work was also done in a week. They are happy and we are happy. I doubt you will find anybody better to do HVAC work, especially at this price.
GTA Heating & A/C Inc.
Rating: 4.4 out of 5
Boiler repair specialist in Bolton
GTA Heating & A/C INC. is a trusted, Vaughan-based HVAC contractor specializing in gas and electric fireplaces, heat pump, water heater, tankless, boiler and in-floor heating, furnaces, air conditioners, BBQs, Air cleaner, humidifier, and refrigeration systems. Our mission is to deliver top-quality service and expert workmanship to every customer. Whether you need help installing or replacing a heating system, air conditioning unit, boiler, floor heating, gas lines, or thermostats—or if you're looking to repair or maintain any of these systems—we’re here to help. If you’re planning a new project or need a repair, just send us a message. We’ll be happy to assist and provide you with a detailed quote.
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Latest review:
Fireplace unit is great but installation was anything but great. Owner and his assistant showed up late, were not very careful and scratched up my mantle to the point where I have to repaint it (see pictures), they installed the screen crooked (see picture) and when I called them up to ask to come back and fix it, they said I did it and refused to return to fix it. I would think long and hard before calling up GTA Heating and A/C Inc.
Dr HVAC
Rating: 4.6 out of 5
Boiler repair specialist in Bolton
Dr HVAC & Plumbing is a licensed and registered HVAC and plumbing company that has been professionally serving Brampton, Mississauga, Georgetown, Caledon, Oakville and the Greater Toronto area since 2008. OUR MISSION (WHAT WE DO BEST EVERY DAY) Our mission is to offer high quality, HVAC & Plumbing solutions that provide our customers with peace of mind. We take the risk out of products and services that are essential to their lives and businesses. We make it easy. OUR VISION (WHAT THE FUTURE LOOKS LIKE BECAUSE OF OUR MISSION) We will change the way people think about our industries by providing vital products and services in innovative ways. Working together we will lead the market in customer satisfaction. Our technicians are licensed and experienced and all of our staff are knowledgeable and friendly. When you call Dr. HVAC you can depend on us to respond quickly to your needs, make recommendations based on our extensive knowledge, and provide you with complete information before proceeding with any work. We provide Residential and Commercial HVAC services including repairs, maintenance, and installations with friendly service at a competitive price. Truly an elite group of whom we are very proud. So whether you have home or commercial HVAC problems, contact the pros at Dr. HVAC.
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Latest review:
The good news is that the Trane heat pump problem reported in MAY was resolved in mid-October, thanks to the skill and persistence of technicians, chiefly Adam. The first visit was early in July. The technician was unable to find the cause of the problem and tried to contact Tech Support. Tech Support was not available so the Tech went away saying he would do research and come back with a solution. I called a week later to make another appointment - in August. Again the Tech was unable to fix the problem but was able to reach Tech Support and was told that the heat pump was designed to not operate unless the outside temperature was below 15C. Nonsense! A visit early in September tried to contact Tech Support but was on hold for 90 minutes. The tech had 3 more calls to make that day so I sent him away. Another visit in September found an error code that suggested defective pressure sensors. These were replaced at the next visit but the problem wasn't solved and another error code showed a defective circuit board. This was installed in October. Problem solved. The company's response to my June review invited a dissatisfied customer to contact Brendon, the company owner. This I have been trying to do since early November. After several phone calls and a promise to arrange a meeting with Brendon I am still waiting.
Cold force mechanical inc
Rating: 5 out of 5
Boiler repair specialist in Bolton
Cold Force Mechanical is a licensed and insured HVAC & refrigeration company providing reliable residential and commercial service across the GTA. We specialize in air conditioning, heat pumps, furnaces, refrigeration systems, and preventative maintenance, with a strong focus on quality workmanship and long-term solutions. Led by a Red Seal–certified 313a technician with TSSA gas licensing, we take pride in honest diagnostics, clear communication, and doing the job right the first time. Whether it’s a home comfort upgrade or critical commercial equipment, Cold Force Mechanical delivers professional, dependable service you can trust.
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Latest review:
Repair or maintain heating system- 19 Mar 2026
Efficient work, thanks.
Coral Mechanical Inc
Rating: 5 out of 5
Boiler repair specialist in Bolton
Best of Awards 2026
Welcome to CORAL MECHANICAL INC. Your Premier Local Heating and Cooling Specialist At Coral Mechanical, we are dedicated to delivering top-tier heating and cooling solutions tailored to meet your specific needs. With a wealth of experience in the industry, we take pride in offering a wide array of services, ensuring optimal comfort and efficiency for residential and commercial spaces alike. **Our Services Include:** 1. HEATING (GAS, ELECTRIC & HEAT PUMP) : Furnace - Fireplace - Rooftop - Unit Heater - Ceiling Heater - Heat Pump - etc 2. COOLING : Centrally Ducted Air conditioner - Mini split ductless - Heat Pump 3. INDOOR AIR QUALITY : Humidifier, HRV, ERV, HEPA Filter and Air purification ensuring a healthier environment for you and your loved ones. 4. HVAC MAINTENANCE : We offer comprehensive HVAC system maintenance plans to keep your systems running smoothly, prolonging their lifespan and maximizing efficiency. **Why Choose Us?** - FLEXIBLE & LOW INTEREST RATES PAYMENT PLANS - WEEKLY PROMOTIONS - ADDITIONAL DISCOUNT for Government, Health Care and Military personnel - PROFESSIONAISM : Our skilled technicians are licensed, insured, and dedicated to delivering exceptional service. - RELIABLITY We prioritize punctuality and strive to complete every job efficiently and effectively. - CUSTOMER SATISFACTION Your comfort is our priority, and we go the extra mile to ensure your satisfaction with our services. Contact CORAL MECHANICAL today to experience unparalleled expertise and reliable service for all your heating and cooling needs.
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Latest review:
Repair or maintain airconditioning- 19 May 2026
Ali was very nice. He came and looked at the unit, and ultimately had told me that the unit would not cool the space as it was large with windows. His boss called me to explain and tried to essentially sell me a new unit, and charged me $350 to recharge the unit and clean the filter (which was barely dirty). I later had another person come to install an AC in my bedroom who looked at that same unit that Ali had serviced. He noted that it should be fine at cooling the space, and that it was the blower that needed to be cleaned. I let Ali’s boss know this and asked why this wasn’t done - to which he had stated that he didn’t realize that it was dirty and would send him back to clean the unit which he did - and didn’t charge me. The unit is now working perfectly fine and does a great job cooling the space. Ali was very nice and did a good job, just wish they as a company were more focused on inspecting everything thoroughly before trying to sell me a new unit.
Bay tech heating and cooling inc
Rating: 5 out of 5
Boiler repair specialist in Bolton
We are proud to announce we do the best, fast and reliable service and install. we are expert in diagnostic and troubleshooting. knowledge and experience on big, complex units are BAY TECH HEATING AND COOLING INC uniqueness. give us a call at 647-309-0195.
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Latest review:
They came in right away and fixed the problem even though it was getting dark outside. Very friendly and courteous and do neat work. Very knowledgeable. I'm so glad that I was able to meet up with this company. I would recommend them to everybody.
Jbm mechanical
No reviews yet
Boiler repair specialist in Bolton
Licensed and experienced HVACR mechanical contractor, also expertise in plumbing and electrical
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Twin Spark Mechanical Inc.
Rating: 4 out of 5
Boiler repair specialist in Bolton
Twin Spark Mechanical Inc. is a licensed HVAC company based in Toronto, providing professional installation, repair, and custom design services for both residential and commercial applications. Our expertise spans heating, air conditioning, radiant floor systems, heated driveways, and commercial refrigeration systems such as walk-in coolers and freezers. The company was founded by Philip Ou, a licensed G2 and 313A technician with a Master’s Degree in Mechanical Engineering from University of Toronto. With over a decade of experience as a Senior Product Design Engineer at a leading HVAC manufacturer, Philip brings deep technical expertise in commercial system development, energy optimization, and system reliability. Our Mission is to deliver reliable, energy-efficient, and customized HVAC solutions with engineering-grade precision and a strong commitment to long-term client satisfaction. Our Service Promise includes fully licensed and certified technical execution, tailored system designs for every project, prompt response and reliable after-service, use of premium-grade equipment for durability as well as honest pricing with no hidden costs. Twin Spark Mechanical Inc. is your trusted partner for high-performance HVAC solutions.
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Homev Construction
Rating: 5 out of 5
Boiler repair specialist in Bolton
At Homev Construction, we specialize in high-quality home renovations, structural projects, basement finishing, home extensions, and full project management across the GTA. From kitchen and bathroom remodels to wall removals and major structural work, we deliver reliable workmanship with a focus on transparency, timelines, and client satisfaction. With a strong network of trusted trades and years of hands-on experience, we ensure every project is completed safely, professionally, and with exceptional attention to detail. Whether you’re upgrading your current space or building a new extension, Homev Construction is committed to bringing your vision to life—on time and on budget.
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Latest review:
I hired Homev Construction for a full house renovation, and I couldn’t be happier with the results. After having a bad experience with contractors in the past, I was honestly very nervous to start another major renovation. But from the beginning, Farshad, the manager of the company, was extremely patient and professional. He took the time to answer all of my questions and address every concern I had throughout the process. The quality of work was excellent. Unlike many other general contractors who rely on handymen for everything, Homev Construction brought in senior, experienced tradespeople, and it really showed in the final finishes. The attention to detail was impressive, and the workmanship was clean, smooth, and high-end. The team was reliable, respectful, and truly cared about doing the job right. My home looks amazing, and I’m very grateful for their hard work. I would absolutely recommend Homev Construction to anyone looking for a trustworthy company with high-quality results.
Maydone Appliance Repair
Rating: 4.8 out of 5
Boiler repair specialist in Bolton
Best of the Best 2025
Best of Awards 2026
Maydone HVAC and Appliance Repair is a Professional HVAC and Appliance Repair and Installation Service! Same Day Service offering a free diagnosis with repair! You can get it done fast or schedule a visit in the most suitable time for you. GET $30 off your first Repair with us! Enjoy your valuable time with what matters the most while we are taking care of your appliances.
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Latest review:
Repair household appliance- 30 Apr 2026
Excellent work. I had them come in and take a look at an old dishwasher to see if it could be repaired instead of replaced - and they fixed it! Thank you!
All Nation Comfort Inc.
Rating: 5 out of 5
Boiler repair specialist in Bolton
Best of Awards 2026
Best of Newly Listed 2025
Sales, Install, Repair & Maintenance, HVAC service Furnaces, A/C ,Hot watertank, Rooftop, Smart thermostat, Fireplace, Heat pumps & Gas Barbecue Residential & Commercial
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Latest review:
Install or replace gas systems and pipes- 5 Mar 2026
Sean was excellent. He communicated quickly and was available within a day. He spotted a potential issue with the placement of our new oven and made sure his work wouldn't be a barrier. Thanks so much for preventing a potential problem.
CozyLife HVAC
Rating: 4 out of 5
Boiler repair specialist in Bolton
At CozyLife HVAC, we specialize in keeping your home comfortable all year round. Serving Toronto and the GTA, we provide reliable installation, maintenance, and repair services for furnaces, air conditioners, and water heaters. Our focus is simple: quality work, honest pricing, and long-term comfort for our customers. Whether it’s a routine maintenance service or a full system replacement, every job is handled by a certified technician with attention to detail and care. We also offer air quality solutions, including humidifiers and filtration systems, to ensure your home stays healthy and efficient. ✔ Furnace, AC & Water Heater Services ✔ Preventative Maintenance & Tune-Ups ✔ System Installations & Replacements ✔ Indoor Air Quality Solutions ✔ Free Estimates on New Systems At CozyLife HVAC, we believe comfort shouldn’t be expensive — just done right.
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Aryan Air
Rating: 4.9 out of 5
Boiler repair specialist in Bolton
Best of Awards 2026
My company serves Heating ,cooling gas piping and fireplace.waterheater boiler tankless waterheater humidifier Installation and repairing.
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Latest review:
Install or replace gas systems and pipes- 20 May 2026
Fast response, fast resolution, fair pricing, and Medhi is an all around nice guy. Easy to do business with.
Northland Heating & Air Conditioning
Rating: 4.7 out of 5
Boiler repair specialist in Bolton
Best of Awards 2026
Best of Newly Listed 2025
This family business has been around for over three decades, selling, installing, and providing services. We believe in delivering excellence and our core values centered around Integrity and respect which have been part of our company’s success since our founding in 1996. We carry most major brands but mainly deal with Lennox and we also deal with Kenmore, Goodman, York and Carrier. We specialize in Residential and commercial establishments in the GTA . Our products include packaged rooftop units, split systems, Indoor air quality systems, condensing units, fireplaces, pool heaters, Hot water tanks/Tankless and related equipments.
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Latest review:
Repair or maintain boiler- 11 Jan 2026
We chose Northland Heating and Air Conditioning because it was a local family business. Paul and Sonny came within a day of our request, and did a thorough job of cleaning and maintaining the boiler and the hot water heater. They were very helpful in making us feel comfortable, answering our questions, and gave us a sense of what to expect going forward (our boiler is old but still working well). They left the basement in immaculate condition. Northland brings a wealth of experience and knowledge. I would trust them with any work, minor or major. I am recommending them to friends and neighbours. Very reasonable price as well.
Heatra Inc.
Rating: 5 out of 5
Boiler repair specialist in Bolton
At Heatra Inc., we specialize in providing top-tier HVAC services to homeowners and businesses across the Greater Toronto Area. With years of experience and a deep understanding of heating, ventilation, and air conditioning systems, we offer reliable and efficient solutions for all your climate control needs. Whether it’s installing new systems, performing maintenance, or troubleshooting complex issues, our goal is to ensure your comfort year-round.
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Latest review:
Heatra Inc. did a fantastic job setting up my new AC! The service was professional, efficient, and priced fairly. The team led by Mr. Nasir was friendly, knowledgeable, and made the whole process smooth. Highly recommend them for quality HVAC work!