Some of our top rated furnace repair services in Thornhill, Ontario
Sort by:
- Get in touch
Dolphin Mechanical provides a wide range of HVAC Services. We have over 50years of combined experience in the Heating & Air Conditioning field. Please check our reviews and feel free to contact us with any questions you may have.
- Get in touch
At Go Ductless Inc, we specialize in high-efficiency ductless air conditioning systems, heat pumps, and central air conditioning for both residential and commercial spaces. As fully licensed and certified HVAC technicians with years of hands-on experience, we take pride in delivering clean, energy-efficient, and reliable solutions tailored to your specific needs. All new installations include a 10-year parts warranty and a 2-year labour warranty, giving you long-term peace of mind. Whether it’s a system upgrade, a repair, or a brand-new installation, we approach every project with the same care and craftsmanship as if it were our own home. We offer fast response times, honest and transparent pricing, and a commitment to 100% customer satisfaction. Quality isn’t expensive — it’s priceless.
- Get in touch
At Let"s Get It Done Handyman Services,We do it all from small to large home repair and improvements, repairs,Furniture assembly, dis-assembly, Junk removal, light plumbing and fully licensed Hvac duct installers. With every project, we keep customer satisfaction as our top priority. check out more of our work past project on instagram @lgidhandyman.
- Get in touch
We are a fully licensed and insured landscaping company committed to delivering high-quality craftsmanship and reliable service. With years of hands-on experience, we specialize in transforming outdoor spaces into beautiful, functional, and long-lasting environments. Our services include interlocking, paver installations, decks, fences, stone work, steps, retaining walls, and complete backyard transformations. We take pride in our attention to detail, proper base preparation, and using top-quality materials to ensure durability and customer satisfaction. From small upgrades to full-scale projects, we work closely with our clients to bring their vision to life—on time and within budget. Transparency, professionalism, and strong communication are at the core of everything we do. Contact us today for a free estimate and let us turn your outdoor space into something exceptional. Instagram @Maplescape_landscaping
- Get in touch
With over 7 years of hands-on experience in HVAC repair, maintenance, and Installation , I bring expert-level knowledge of HVAC diagnosis and a track record of boosting customer satisfaction through exceptional service. My passion for HVAC technology aligns with a proactive approach to HVAC care, demonstrated by a history of cutting service times without compromising quality. My most noteworthy professional triumph is revamping the diagnosis process, resulting in a 20% increase in workshop efficiency.
- Get in touch
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.
- Furnace repair service in Thornhill, OntarioGet in touch
Best of Awards 2026
Best of Newly Listed 2025
HR Plumbing and Mechanical Services Inc is a leading provider of comprehensive plumbing solutions, committed to delivering excellence in every aspect of our work. With years of experience and a team of skilled professionals, we specialize in offering top-tier plumbing and mechanical services to residential, commercial, and industrial clients. Contact us today!
- Get in touch
I have 20 years of heating and air-conditioning experience. I'm a G2 gas technician and 313A commercial & residential heating and air-conditioning technician certificate holder and registered as Independent Designer with BCIN with Ministry of Municipal Affairs. I cover Hamilton, Burlington, Milton, Oakville, Mississauga, Brampton, Toronto area and some other cities depends on the job size. I do the following: - All types of gas furnaces and air-conditioning installation, service & repairs. - All types of air filters installation. - Water heaters and tankless water tanks installation and repairs. - HRV's installation. - Gas pipes installations and connections to stove & BBQ. - Duct work installation and modifications. - All types of humidifiers installation. - Rooftops installation, service and repairs. - Unit heaters installation & repairs. - All types of UV lights & humidifiers installation. - Residential and commercial
- Get in touch
Scarborough-based HVAC and refrigeration experts serving all of Ontario with affordable, reliable service.
- Get in touch
Toll free available for those not local to Toronto 844-AEROSEAL(844-237-6732) Fix hot and cold bedrooms, spouses and children once and for all. As heard on Frank Cohn's Home Improvement Show (Newstalk 1010AM) and Glen Peloso with Roger Ashby (104.5 CHUM FM). Featured on Holmes and Holmes - https://makeitright.ca/holmes-advice/home-renovation/aeroseal-the-new-way-to-duct-sealing/ As seen on Ask This Old House and Hometime. Aeroseal GTA is Canada's First and Only Pro-Level Aeroseal Dealer and Greater Toronto's Duct Sealing Specialists. Increase Comfort. Reduce Energy Usage. Save Money.
- Get in touch
- Best of Awards 2023
Absolute Heating & Cooling Inc is expert in heating and cooling services we are most trusted source for heating, ventilation and air conditioning services, products and solutions. We service & install a full range of residential, commercial and industrial HVAC products. Our focus is to maintain a high quality of service at all levels, we guarantee our customers quality service. Protect your investment with us our HVAC services & products designed you to create comfortable, energy efficient environments. Our experienced HVAC technicians play a great role in whole daily on their operations of facility productivity and efficiency. We want the best experience for our customers to competitive pricing as well as friendly customer service is what we aim for here at our company, aiming to give you your best experience. We service and repair many different items, Absolute heating & cooling inc is dedicated to providing 100% customer satisfaction. We’ve made it our goal to provide great service, with our highly qualified technicians on competitive pricing. Refrigeration, AC & Gas work is subcontracted out to licensed trades when required
- Get in touch
Need a HVAC contractor, Plumber, Appliance repair specialist, Pool heaters, Home Inspector, Renewable Energy Specialist, Fireplace and BBQ Specialist, Refrigeration specialist based in Etobicoke or nearby? T.M. Contracting can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.
- Get in touch
Hi, I’m Ashley, your local HVAC expert based in Brampton. With over 10 years of hands-on experience, I specialize in installing, repairing, and maintaining high-efficiency air conditioning systems, furnaces, heat pumps, and tankless water heaters. I’m fully licensed, insured, and committed to delivering honest, high-quality work you can rely on. Whether you need a new AC installed fast or want advice on energy-efficient options, I’m here to help — with fair pricing, same-day service (when available), and clean, professional results every time
- Get in touch
30 years experience in residential home construction. 15 years residential and light commercial HVAC. Years of experience in moving and cleaning.
- Get in touch
With 20 years of hands-on experience in the HVAC industry, we proudly serve clients across the Greater Toronto Area. Our expertise spans furnaces, air conditioning systems, gas lines, fireplaces, BBQs, rooftop units, pool heaters, and boilers. We are highly customer-focused, known for being friendly, flexible, and always available to answer questions or provide support. Reliable and honest workmanship is at the core of everything we do, making us a trusted choice for residential and commercial clients alike.
- Get in touch
Our company BIG BRO Heating and Air Conditioning has been a part of the industry for the past 7+ years specializing in installation, repairs, and maintenance of all things HVAC. Services include but not limited to the following: furnaces, ACs, water heaters, heat pumps, tankless water heaters, hydronic heating, boilers, humidifiers, ductwork, natural gas lines, propane piping, HRV, new build construction, etc.
