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HVAC contractors in Thornhill, Ontario

Planning an HVAC project doesn’t have to be complicated. Post the details of your heating or cooling needs on HomeStars, and we’ll match you with HVAC contractors and companies in Thornhill, Ontario. Explore their previous projects, browse real reviews, compare quotes, and hire the pro who’s right for your home.

Some of our top rated hvac contractors in Thornhill, Ontario

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  • HVAC contractor in Thornhill, Ontario

    We are a trusted HVAC company serving Brampton and the surrounding area, specializing in residential and commercial heating and cooling solutions. Our services include professional installation, repair, and maintenance of air conditioning systems, furnaces, and complete HVAC systems. We focus on delivering reliable, energy-efficient solutions tailored to each property, whether it's a home, office, or commercial space. From new system installations to urgent repairs, we provide honest recommendations, quality workmanship, and fast, dependable service. With a strong focus on customer satisfaction, we ensure every job is completed properly the first time. Contact us today for a quote or to schedule service.

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  • HVAC contractor in Thornhill, Ontario

    HVAC services , installs , troubleshooting Hvac systems , heat pump , furnace , air handlers, split systems . certified with 313d and G2 gas license .

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  • HVAC contractor in Thornhill, Ontario

    Professional Appliance Repair Specialists Experienced technicians offering high-quality repairs for all major appliances. Efficient service, fair pricing, and long-lasting solutions. Your satisfaction is our priority.

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  • HVAC contractor in Thornhill, Ontario

    At Calder Contracting, we take pride in delivering high-quality, reliable home improvement services you can trust. We specialize in roofing, siding, eavestroughs, soffit & fascia, and full exterior renovations, along with electrical, plumbing, and general contracting work. Whether it’s a small repair or a full project, we approach every job with attention to detail and a commitment to doing it right the first time. We also offer interior renovation services, including basement finishing, kitchen remodels, bathroom upgrades, full home renovations, and interior & exterior painting, giving homeowners a complete solution for upgrading their space inside and out. What sets us apart is our focus on honest communication, fair pricing, and professional workmanship. We work closely with homeowners to ensure every project meets their expectations, using quality materials and proven methods to ensure long-lasting results. At Calder Contracting, your home is our priority and we stand behind every job we do.

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  • Home maintenance service when you need it. Our mission is to help you with projects around your home. You can rest easy knowing your home repair job is in experienced hands. We're not just proud of our workmanship and quality. We specializes in small to medium home improvements, repairs jobs. From paint to faucets. We get the things you want done Completed! Our Standards You'll notice the difference from the first time you call. You'll always talk to Me John the owner - a friendly tradesman who is ready to answer your questions and schedule your estimate. When your job is finished, I will follow up to make sure you're happy with the work. ***YOU CAN SEE OUR PRICING AND TIMES WHERE YOU CAN BOOK ONLINE! Visit our website today.*** Looking forward to serving you! We're social here: https://www.instagram.com/the_handyman_services1/ We're also Baeumler approved: https://www.baeumlerapproved.ca/contractors/the-handyman-services/

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  • HVAC contractor in Thornhill, Ontario

    Professional Tile Installation & Renovation Services: - Bathroom, Kitchen & Basement Renovations - Tile Installation, Replacement & Repair - Shower Tile & Backsplash Installation - Fireplace, Sauna & Porch Tile Work - Grout Sealing, Staining & Regrouting - Flooring Installation, Leveling & Repair - Drywall Installation & Repair - Interior Design & Custom Tile Work Serving Residential & Commercial Projects with 6+ Years of Excellence Free Estimates & 1-Year Warranty on Tile Installations Precision. Quality. Craftsmanship. Guaranteed.

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  • HVAC contractor in Thornhill, Ontario

    Need a General contractor, Window Contractor, Kitchen Renovation Company, Handyman, Landscaping Company, Carpenter, Bathroom Renovation Company, Concrete Specialist, Garage Specialist, Condominium/Apartment Specialist, Interior decorator, HVAC contractor, Plumber, Tiler, Interior designer, Architect, Cabinet maker, Metal worker, Mason, Demolition company & Pool company based in Brampton or nearby? Afocare Home Renovation and Maintenance 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.

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  • HVAC contractor in Thornhill, Ontario

    I am a good plumber at all

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  • HVAC contractor in Thornhill, Ontario

    My name is Padraic Mcnamara (pour-rick). I am a young Irish licensed gas technician, with 4 years of experience installing all kinds of residential gas/electric appliances. (Furnace,boilers,water heaters,stoves,bbq,fireplace) I have experience working with heating and domestic plumbing, (waterheaters,showers,sinks etc) I can offer free rough estimates through email, or a more accurate in person quote for $100 flat fee. I also offer work doing simple jobs such as; -wiring switches/outlets -gas line repairs -venting repairs -condensate drain repairs -humidifiers -furnace/AC maintenance -install shutoff valves on water lines +more -

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  • HVAC contractor in Thornhill, Ontario
    • Best of the Best 2025
    • Best of Awards 2026

    At Splish Splash Bathrooms, Kitchens & More, we take pride in completing beautiful renovations with outstanding workmanship on every project. Our highly skilled crew members are Schluter Systems Certified and fully insured (including WSIB coverage). Bathrooms and kitchens are our specialty, so you can feel confident that your project is in good hands. If you have additional needs, we're great at other residential renovations too! We stand by our work. After your project is complete, we're still here for you, and provide a warranty on our workmanship: free of charge. Contact us with your questions and to request a free in-home assessment.

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  • HVAC contractor in Thornhill, Ontario

    - Installation windows and doors, replaced broken windows, repaired doors, locks, and closets; - Painting and surface preparation. (Brush, Roller, Sprayer) - Repair and installation fences, steps, decks. - Drywall installation, fixed and repaired any damages to drywall. - Assembly and installation of furniture. - Installation subflooring and finish floorings. - Tile, grout installation and carpet, vinyl floorings. - Dismantling, cleaning, and preparation of the object for the main work. - Сarpentry

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  • HVAC contractor in Thornhill, Ontario

    Hi, I’m available for new jobs. I have experience and I’m reliable. Let me know if you have any opportunities for me. Thanks!

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  • HVAC contractor in Thornhill, Ontario

    Experienced in boiler service & Installation.

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  • HVAC contractor in Thornhill, Ontario

    Need a General contractor, Window Contractor, Handyman, Carpenter, Metal worker & Mason based in Brampton or nearby? Sharma’s Renovation 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.

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  • Lucas is the owner and master electrician of Allied Connections Electrical Solutions Inc. He is deeply passionate about providing quality installations in well designed spaces. With a background in commercial electrical installations on medium to large scale projects, he is capable of following detailed plans on a tight schedule. His attention to detail, cleanliness and excellent customer service makes Allied Connections Electrical Solutions the perfect contractor for your next project. Let's build something!

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  • HVAC contractor in Thornhill, Ontario

    Licensed and experienced HVACR mechanical contractor, also expertise in plumbing and electrical

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4.8

Top rated HVAC contractors

Our HVAC contractors in Thornhill, Ontario, are rated 4.8 out of 5 based on 441 reviews from homeowners like you.

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What services are offered by HVAC contractors and companies in Thornhill, Ontario?

HVAC contractors and companies in Thornhill, Ontario provide a range of services to keep your indoor environment comfortable year-round.

Popular HVAC services in Thornhill, Ontario include:

  • Fitting air cleaners and humidifiers to improve indoor air quality

  • Setting up a solar water heater to provide energy-efficient, sustainable hot water for your home or business

  • Repairing or replacing water heaters to ensure reliable hot water supply

  • Installing or servicing furnaces and heat pumps to ensure reliable heating during harsh winters

  • Upgrading or replacing air conditioning systems to keep indoor spaces cool, comfortable, and energy-efficient

  • Modernizing boilers to provide consistent heating and hot water while improving energy efficiency and system reliability

Searching for heating and air conditioning contractors in Thornhill, Ontario? Save yourself time and by posting your project on HomeStars. Compare profiles and request quotes from your preferred Thornhill, Ontario HVAC contractors and companies before making your final hiring decision.

What are the average costs of HVAC services in Thornhill, Ontario?

When hiring HVAC services in Thornhill, Ontario, prices vary depending on the type of system and the complexity of the installation or repair. Typical labour charges for furnace installations often run between $75 and $150 per hour, with most installations requiring 8 to 16 hours of work.

For a full heating/cooling system installation, homeowners generally pay between $4,000 and $7,500 for standard systems.

For common HVAC jobs in Thornhill, Ontario, expect to pay:

Find heating and cooling contractors in Thornhill, Ontario on HomeStars

Finding HVAC contractors and companies in Thornhill, Ontario doesn’t have to be stressful. Just post your project on HomeStars’ free and easy to use platform, and we’ll match you with pros ready to help.

How to hire Thornhill, Ontario heating and air conditioning contractors on HomeStars:

  1. Start by posting your project. Provide a clear description of your heating and cooling requirements and include photos to get precise quotes.
  2. Compare profiles, browse previous work history and get quotes from HVAC contractors and companies in Thornhill, Ontario.
  3. Connect with multiple HVAC contractors in Thornhill, Ontario to discuss your project, request quotes and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

All of the HVAC contractors and companies in Thornhill, Ontario who register with our platform undergo verification, including ID and company checks, so you can hire with confidence and peace of mind through HomeStars.

What to ask an Thornhill, Ontario HVAC contractor before hiring?

Looking for a HVAC contractor in Thornhill, Ontario? These questions can help you find a pro who’s the right fit for your heating, cooling, or ventilation project.

Are you licensed and insured in Thornhill, Ontario?

Most HVAC work, especially gas, boiler, or high-capacity heating systems, requires pros to be licensed. Ask your preferred HVAC contractors in Thornhill, Ontario for proof of licences and liability insurance to protect yourself in case of accidents or damage.

Will you handle permits and inspections if required?

Some HVAC installations or replacements, like gas-fired boilers, require municipal permits and inspections. Confirm the Thornhill, Ontario HVAC company will handle this so your installation is compliant.

What types of HVAC systems do you work on?

Some Thornhill, Ontario HVAC contractors specialize in furnaces, boilers, air conditioning, or heat pumps. Confirm they have experience with your system type to ensure proper installation or repair.

Do you offer maintenance or service plans?

Regular maintenance improves efficiency and extends system life. Check if your Thornhill, Ontario HVAC contractor offers annual inspections, filter changes, or seasonal tune-ups as part of a service plan.

How do you handle unexpected issues during installation?

Older homes or complex systems can reveal surprises, like outdated wiring or plumbing conflicts. Ask your heating and cooling contractor in Thornhill, Ontario how they communicate additional costs or changes to avoid surprises.

FAQ: Common questions about HVAC in Thornhill, Ontario

Can HVAC companies in Thornhill, Ontario remove old equipment?

Many Thornhill, Ontario HVAC companies include removal and disposal of old units as part of the installation service, though it’s best to confirm in advance.

How long do HVAC installations by Thornhill, Ontario HVAC contractors typically take?

Installation times vary depending on system type and home size. Furnaces or air conditioning systems usually take 1 to 2 days, while more complex setups may take longer.

Do heating and cooling contractors in Thornhill, Ontario offer energy audits?

Some Thornhill, Ontario HVAC contractors provide home energy assessments to identify ways to improve efficiency and reduce heating or cooling costs.

How do Thornhill, Ontario HVAC contractors handle refrigerant disposal?

Thornhill, Ontario HVAC contractors follow Canadian environmental regulations to safely recover, recycle, or dispose of refrigerants during air conditioning or heat pump servicing.

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