Some of our top rated hvac contractors in Thornhill, Ontario
Sort by:
- Get in touch
Best of the Best 2025
Best of Awards 2026
For Saving Heating and Cooling "Quality Service at Affordable Prices" 2025 Heat Pump Rebate (Residential Home Only) Up TO $10,000 Rebates for Oil Heated Home Up To $7500 Rebates for Electric & Propane Heated home Up To $2000 Rebates for Gas Heated Home 2024 HRAI Heat Pump Champion Award Winner 2012-2024 Lennox Centurion Award Winner 2012-2024 Dave Lennox PREMIER Dealer We service all the brands: Lennox Furnace, Lennox Air conditioner, Lennox Heat Pump, Carrier Furnace, Carrier Air Conditioner, Carrier Heat Pump, Trane furnace & Trane Air Conditioner, Trane Heat Pump, Amana furnace & Amana Air Conditioner, Amana Heat Pump, Daikin Furnace & Daikin Air Conditioner. Daikin fit Heat Pump. Goodman furnace & Goodman Air Conditioner, Goodman Heat Pump. Bryant furnace & Bryant Air conditioner, Bryant Heat Pump. York Furnace & York Air conditioner, Coleman Furnace & Air Conditioner, Keeprite Furnace & Keeprite Air Conditioner, Keeprite Heat Pump. Rheem Furnace & Rheem Air Conditioner, Rheem Heat Pump. American Standard Furnace & Air conditioner. KingHome Heat Pump. Gree Heat Pump. Midea Heat Pump. Viessmann Boiler, Slant-Fin Boiler, Weil Mclain Boiler, NTI Boiler, Humidifier. Air Cleaner. Duct Work System.Furnace & Air Conditioner Replacement, Installation. Furnace Rebate. O.P.A Rebate. Enbridge Rebate. Indoor Air Quality. Heating, cooling, furnace, gas fireplace, electric fireplace, air conditioner, A/C, indoor air quality, boiler, hot water tank, tankless water heater, duct cleaning, ductless air conditioner, heat pump, custom duct work, humidifier, thermostats, HRV, ERV, hepa filter, indoor air quality, filters, gas line installation, in floor heating, electronic air cleaner, gas stove, service, maintenance, repair, fix furnace, residential, commercial cooling. SLP99V. SLP98V. EL296V. EL296E. EL196E. ML296V.XC25. SL18XC1. XC21. XC16. XC20. XC14. 14ACX. ML16. XC13. 13ACX. EL16XC1. Toronto Furnace. 59MN7. 59TN6. 59TP6. 59SP5.59SC5. 24ABB3. 24ACB3. 24AAA5. 24ACC6. 24ABC6. 24ANB6. 24ANB7. 24VNA9.24ACC4. 24VNA6. KU36UHO. KU60UHO. DIRM-24. DIRM-30. DIRM-36 Servicing: Mississauga, Toronto, GTA, Stouffville, Markham, Newmarket, Georgina, Pickering, Ajax, Whitby, Oshawa, Bowmanville, Courtice, Clarington. Georgina, Caledon, Nobleton, Aurora, Uxbridge, King City, Vaughan, Bradford, Mount Albert, Richmond Hill, Goodwood. Oakville. Milton. Burlington. Brampton. Caledon. Bolton. Woodbridge.Thornhill. Brooklin. Etobicoke. North York. Scarborough. East York. Halton Hills. Hamilton. Peterbourgh
- Get in touch
For more than 60 years, Reliance Home Comfort® has helped Canadians feel comfortable in their homes. Serving communities from Ottawa to Vancouver, we provide dependable home comfort solutions backed by outstanding customer service. With more than two million customer relationships, Reliance is one of Canada’s largest providers of water heaters, furnaces, heat pumps, air conditioners, water purification systems, plumbing and electrical services, protection plans, smart home solutions and EV chargers.
- Get in touch
Need a Tiler, Bathroom Renovations ? A First Star 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.
- HVAC contractor in Thornhill, OntarioGet in touch
At Temperature Care we install and repair Furnaces, Air Conditioners, Smart thermostats, Heat pumps Tank or Tankless water heater, Humidifier, Water Softener, Carbon Filter, High efficiency particulate air filters, Electrical air cleaners and Gas piping. Contact us today to schedule your appointment and we're here to assist with your emergency needs as well.
- Get in touch
Avita HVAC is a TSSA-certified G1/G2 Gas Technician and fully insured, incorporated company serving the GTA. With over 15 years of international expertise in mechanical trades, we specialize in high-quality heating and gas solutions. Core Competencies Experience: Our lead technician brings advanced knowledge in system design, blueprint reading, and flawless project execution—ensuring we tackle complex jobs that others can't. Services: Installation, repair, and annual maintenance for Furnaces, Tankless Water Heaters, A/C units, and gas piping. We work on all major residential and light commercial brands. Skills: Expertise in advanced diagnostics, high-efficiency equipment, and strict adherence to the Ontario Gas Code. Why Choose Avita HVAC? We offer a unique combination of extensive experience and local, reliable service. We guarantee transparent, up-front pricing and prioritize your family’s safety. We proudly service Toronto (North York, Etobicoke, Scarborough), Vaughan, Richmond Hill, Mississauga, and Markham. Contact us today for safe, expert service and a free quote!
- Get in touch
- Best of the Best 2025
- Best of Awards 2026
GasGuys.ca Inc. specialize in residential installation of Natural Gas line systems and appliances. We offer fast, friendly service at competitive pricing. We treat you and your home with care, listen to your issues, and focus on the problems. Our Services offered include: Enbridge Red Tag corrections, Gas Leak repairs as well as Natural Gas Line installation for the following appliances - BBQ, Cook Tops, Stoves, Ovens, Outdoor Fire Pits, Patio Heaters and Hayward pool heaters. We respect our trade and abide by the CSA B149 code book. We value everyone’s safety and stand behind our quality workmanship. Our commitment to you is backed by a 5 year GasGuys Guarantee. Should we discover a leak on the work we performed, we will gladly repair it and credit you the full labor portion of the job up to $500. **This guarantee is applicable to any portion of gas line installed by our team. **Physical or environmental damages affecting the original installation are excluded. **Should we come out to investigate a leak and prove it is not on our work, the visit will be subject to a service fee. Thank you for your patronage, GasGuys.ca Inc.
- Get in touch
Local Plumbing company offering a variety of services such as renovations and repairs, sewer and drain services, custom installations and emergency services.
- Get in touch
Hi, I’m Pouya! I’ve been working in plumbing and construction for nearly 3 years, gaining experience on residential and commercial job sites across Montreal and Toronto. I’m also very handy and can take care of a wide range of handyman tasks — from plumbing repairs and furniture assembly to yardwork and painting. I’m based in Toronto and can travel to nearby areas for jobs. I always bring my own tools and treat every job with care and attention to detail. Here’s what I can help with: • Fixing leaks and changing pipes • Toilet and faucet replacement • Unclogging drains • Painting, patching, and minor repairs • Yardwork and basic landscaping • Furniture assembly and general handyman work I’m reliable, respectful, and always aim to do a clean and professional job. If you’re looking for someone who’s skilled, friendly, and gets the job done right, I’d be happy to help!
- Get in touch
With Avant-Garde Reno your home stands out. Let our experts bring fresh looks to your place. Avant-Garde Reno is always committed to quality, reliability and stunning design. With our team of experts, we'll carry out any kind of work you need, from large scale renovations to even the smallest of jobs. We'll leave no stone unturned in order to make your dream project come true! We earned our reputation by planning and executing, always maintaining a transparent relationship with clients and never missing a deadline If you have a project in mind, or simply want to find out more about our services, contact us today.
- Get in touch
- Best of Awards 2026
Fully Licensed and Insured, by TSSA, WSIB and Ontario Government, HVAC (Heating, Ventilation, and Air Conditioning) Contractor serving GTA with Professional Solutions and competitive Prices from 2015. Our Company started its professional journey in early 2015 and made his way up to the best contractors in GTA in the HVAC industry by providing Residences and Businesses of the town with Valuable Solutions and Satisfactory Services. The main goal of our Business is to achieve the most trusted business in GTA by Words of Mouth rather than annoying our costumers with useless advertisements and we have been successful in our journey so far. Sarman Air Inc. will be serving more areas in Ontario by the end of the year 2027.
- Get in touch
After three years as a Canadian electrician, I’ve discovered the most fulfilling aspect of my job: the customers who reach out after a long time, asking for my help. My primary responsibility is to use my skills to assist people with their electrical needs. I enjoy problem-solving, working with integrity, and ensuring everything is completed safely and efficiently.
- Get in touch
With 30 years of dedicated service to the Greater Toronto Area, Airtrust Heating and Cooling Inc. is a trusted name in HVAC solutions. Specializing in heating, cooling, and ventilation systems, we provide expert installation, maintenance, and repair services for both residential and commercial clients. Our team is committed to delivering reliable, energy-efficient solutions tailored to your needs, ensuring year-round comfort. Backed by decades of experience and a reputation for excellence, Airtrust Heating and Cooling Inc. is your partner for all things HVAC in the GTA. Give us a call - 416-224-0202
- Get in touch
- Best of Awards 2026
Best of Newly Listed 2025
Gargano Electric was founded with a bold vision and one goal in mind: to deliver exceptional customer service at every turn. We’re more than just a service provider; Gargano Electric is a committed electrical contractor offering a comprehensive approach from innovative planning to expert execution, redefining the contractor experience.
- Get in touch
Our team can handle all construction and renovation work for you at competitive prices, using high-quality materials and ensuring excellent workmanship. In addition to construction work, I also offer handyman services. Handyman work includes things like small electrical and plumbing repairs, drywall patching, painting, installing shelves, assembling furniture, fixing doors, and general home maintenance.
- Get in touch
IPRO Electrical Services Inc is providing a top notch professional electrical services with a strong focus on safety, efficiency, and customer satisfaction. We bring power, safety, and precision to every project we do.As a fully licensed and insured electrical company, we specialise in providing high quality electrical services for residential, commercial and industrial clients. With years of experience and passion for excellence, we take pride in building strong relationships with our clients through reliability, Transparency , and exceptional service.
- Get in touch
Proudly Canadian Home service You Can Trust We specialize in, electrical,Smart lighting system, security Camera and surveillance, Led lighting,Network Cat5,Cat6 wiring, smart home installations, Surveillance Camera System,Voice ,Data Communications,Cabling Service and Maintenance,LED SHEETS, LED Strip. With years of experience and a passion for precision, our expert team delivers fast, reliable, and high-quality service for both residential and commercial needs. From troubleshooting to full system installations, we use the latest tools and technology to ensure safety, efficiency, and total customer satisfaction.
- Get in touch
Hi, my name is Hossein Rezaei, and I have been working in the HVAC industry for 15 years. I specialize in the installation of new furnaces, AC units, hot water tanks, and heat pumps. With years of hands-on experience, I take great pride in delivering high-quality workmanship and ensuring customer satisfaction on every project. Where I Work I provide HVAC services in: ✅ Toronto ✅ Richmond Hill ✅ Newmarket ✅ Mississauga If you’re in these areas and need professional HVAC installation, I am ready to help. Why Hire Me? ✔ 15 Years of Expertise – Extensive knowledge in HVAC installation and maintenance ✔ High-Quality Workmanship – Precision and attention to detail on every job ✔ Reliable & Honest Service – Transparent pricing and customer-first approach ✔ Competitive Rates – Fair pricing without compromising on quality Whether you need a new installation or a system upgrade, I am committed to providing reliable and professional service. Feel free to check out my reviews and reach out for a free quote.
