Some of our top rated hvac contractors in Thornhill, Ontario
Sort by:
- Get in touch
- Best of Awards 2026
Specialized in AC & Refrigeration! _ Install and repair all gas appliances such as Furnace, Fireplace, Water heater, Thankless, boiler, patio heater and etc.. _ Perform GAS piping. _ Duct working ( brand new house or changing the existing ducts ) _ we give you FREE ESTIMATE by our professional licensed technician
- 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
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
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
- Best of the Best 2025
- Best of Awards 2026
GasGuys ca Inc. – Gas Leak Detection & Repair Specialists Gas Leak Repairs | Enbridge Safety Violation (Red Tag)Corrections | Natural Gas Line Installations At GasGuys ca Inc., we specialize in natural gas leak detection, gas leak repairs, and Enbridge Safety Violation (Red Tag) corrections for residential properties throughout Vaughan and the Greater Toronto Area (GTA). Gas leaks are a serious safety concern, and we understand the importance of addressing them promptly and professionally. Whether you've received an Enbridge Safety Violation (Red Tag) notice, discovered a natural gas leak, or require repairs to an existing gas line, our experienced gas technicians are committed to identifying the problem, providing effective solutions, and restoring your gas system to safe operating condition. We take pride in delivering prompt, reliable, and professional service at competitive rates, with a strong focus on customer satisfaction and safety. We treat your home with respect, listen carefully to your concerns, and focus on resolving the issue correctly the first time. Our Specialized Gas Services Include: • Natural Gas Leak Detection & Repairs – Locating and repairing leaks in residential natural gas piping systems. • Natural Gas Line Repairs & Modifications – Repairing, replacing, and modifying existing natural gas piping systems. • Natural Gas Line Installations – Professional gas piping installations for BBQs, cooktops, stoves, ovens, outdoor fire pits, patio heaters, and pool heaters. At GasGuys ca Inc., your safety is our priority. We respect our trade and perform our work in accordance with applicable CSA B149 Natural Gas Installation Codes and Ontario gas safety requirements. Our commitment is to provide dependable workmanship, attention to detail, and lasting solutions. We don't believe in cutting corners when it comes to natural gas safety. Whether you're dealing with a gas leak, an Enbridge Safety Violation (Red Tag), or a natural gas piping issue, GasGuys ca Inc. is committed to providing professional repairs, dependable service, and quality workmanship you can trust. Gas Leak Repairs Done Right. Safety First. Quality Guaranteed. Thank you for choosing GasGuys ca Inc. Your Local Natural Gas Leak Repair Specialists.
- Get in touch
Alan Mechanical is a licensed and insured plumbing company serving Toronto and the GTA. We provide reliable residential and commercial plumbing services with a strong focus on quality workmanship, clear communication, and doing the job properly the first time. As a Red Seal 306A licensed plumber, G2 Gas Technician, Backflow Tester and Backflow Surveyor, I bring professional trade experience to every job from repairs and fixture installations to drainage, water service, renovations, rough-ins and more. I believe the work behind the wall matters just as much as what you can see. Customers can expect honest recommendations, upfront communication and clean, professional workmanship from start to finish.
- 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
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
As a young entrepreneur and licensed plumber, I bring a fresh, energetic approach to every project. My background spans from residential and high rise service to new builds, giving me a well rounded foundation in the trade. I am fully licensed, certified, and insured, including holding a backflow prevention license and a G2 gas technician license. I pride myself on being hardworking, thorough, and dedicated to delivering top quality results. Whether you need reliable service or expert guidance on a new build, I'm ready to tackle your plumbing needs with precision and care.
- 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
At Grand Comfort Heating & Air Conditioning Inc., we are dedicated to delivering reliable, energy-efficient, and high-quality HVAC solutions for homeowners across the Greater Toronto Area. With years of hands-on experience, we specialize in the installation, replacement, maintenance, and repair of furnaces, air conditioners, heat pumps, ductless mini-split systems, tankless water heaters, water heaters, gas piping, ventilation systems, HRVs, and indoor air quality products. We believe every customer deserves honest recommendations, fair pricing, and workmanship that meets the highest industry standards. We take pride in paying close attention to every detail, keeping job sites clean, and completing projects safely and on schedule. Whether you need a simple repair, seasonal maintenance, or a complete comfort system upgrade, we are committed to providing dependable service and lasting results. Our mission is to build long-term relationships through integrity, professionalism, and exceptional customer care. Your comfort, safety, and satisfaction are always our highest priorities
- 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.