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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

    Your satisfaction is our guarantee

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    • Best of Awards 2026

    HVAC system restorations, commercial and residential. Ductwork installations and repairs specialized in dryer exhaust systems. Investigating and providing solutions for any problem with your air quality. Ventilation(HVAC) issues, mould, VOCs, formaldehyde and other allergens, gases, home design deficiencies(moisture, insulation, thermal discomfort...) Blower door tests, HVAC diagnostics and testing, insulation checks

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  • HVAC contractor in Thornhill, Ontario

    With over 40 years of combined experience, we have been able to build a team of passionate and hardworking individuals who are dedicated and committed to their work. We strive to provide our customers with amazing renovations that will exceed their expectations.

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  • HVAC contractor in Thornhill, Ontario

    Beyond HVAC is a residential heating and air conditioning company operating in the Greater Toronto Area (GTA). To us, each project we undertake is more than just another HVAC job. We use only top-quality brands and materials and take genuine pride in the quality of our work and attention to detail. Our technicians are licensed and certified by the Technical Standards & Safety Authority (TSSA) and Skilled Trades Ontario (STO). We want our customers to be 100% satisfied with our services and to offer them peace of mind with warranties lasting up to 10 years, depending on the project. Integrity is the foundation of our business, and earning our customers’ trust is essential to our success. We understand that and do all we can to protect that trust and build long-term relationships with everyone we serve.

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  • HVAC contractor in Thornhill, Ontario

    Pro Plus Plumbing is licensed and insured, can help you with your install or replace water supply and drainage, unclog drain and sewage pipes, install or repair faucets, repair toilet or toilet flush, install or repair bathroom fixtures, stop leakage, install or replace water treatment, install or replace drainage system, backwater valve installation, install or repair water heaters. Install or replace the sump pump, Basement floor heating services or new installation. Driveway heating services or new installations. Brand new house or renovation projects plumbing services.Get in touch with Pro Plus Plumbing now to discuss your needs and arrange a quote. We are licensed and insured.

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  • HVAC contractor in Thornhill, Ontario

    I am a renovation expert with over 14 years of hands-on experience in the construction industry. As a certified electrician, I provide reliable, code-compliant, and high-quality workmanship across residential and commercial projects. My services include: • Flooring installation (all types) • Custom shower design & installation • Painting (interior & exterior) • Door installation • Complete plumbing services • Electrical work and upgrades • Full renovation solutions from start to finish I am committed to quality, safety, and customer satisfaction, delivering projects on time and within budget.

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  • HVAC contractor in Thornhill, Ontario

    We’ll handle your property tasks, no matter the size. From minor repairs to big projects, we’re here to get it done. Simplify your life with our comprehensive property care service. From routine maintenance to unexpected repairs, one call takes care of it all. Your property is our dedicated priority.

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  • HVAC contractor in Thornhill, Ontario

    Skyline Mechanical Contracting provides HVAC installation and repair for homes and businesses across the GTA air conditioning, furnace installs, and ductwork. With years of hands-on experience on residential and commercial projects, we deliver honest assessments, clear quotes, and reliable, on-time work. Licensed and insured. Whether it's a new AC before summer or a furnace repair before winter, we get it done right the first time.

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  • HVAC contractor in Thornhill, Ontario

    PAC Electric can help you with your install or repair electrical system, install or repair electrical sockets and switches, install or replace radiators, put up lighting, various small jobs, install or replace ev charger, install smart home automation, electrical inspections & pat testing, ceiling fan, install or repair bath exhaust fan, install or repair generator & interior lighting design plan request in Etobicoke and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with PAC Electric now to discuss your needs and arrange a quote.

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  • HVAC contractor in Thornhill, Ontario

    installation of laminate floors, LVT, wood

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  • HVAC contractor in Thornhill, Ontario

    Mark thomas is a Etobicoke based Painter, HVAC contractor, Plasterer, General contractor, Window Contractor, Security specialist and business services, Flooring Contractor, Electrician, Handyman, Landscaping Company, Carpenter, Paving Contractor, Roofing specialist, Tiler, Upholsterer, Bathroom Renovation Company, Cleaning company, Mirrors & Glass specialist, Appliance repair specialist, Pool company, Drywall specialist, Locksmith, Concrete Specialist, Garage Specialist, Countertops Specialist, Fences & Gates Specialist, Gutters & Eavestroughs Specialist, Home Electronics Specialist, Siding Specialist, Condominium/Apartment Specialist, Plumber, Refrigeration specialist, Cabinet maker, Mason, Excavation Specialist, Metal worker, Kitchen Renovation Company & Stairmaker company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace airconditioning, repair windows, install or replace interior doors, install or replace exterior or reinforced doors, install or replace shutters, install or replace rolling shutters, install or replace insect screen, repair floor, install or renovate foundation, build pergola, gazebo or garden house, yard maintenance, install or repair electrical sockets and switches, repair household appliance, install or replace thermostats, repair or maintain airconditioning, assemble or disassemble furniture, install or replace household appliances, trim and decorative moldings, build or replace decking, install or renovate swimming pool, clean roof or gutters, mount artwork, tvs or furniture, install or replace garage door, repair door, repair or treat facade, repair or maintain roof or gutter, repair plaster, repair shutters, repair exterior doors, repair wall or floor tiles, sealing / caulking, install or replace window bars and railing, repair or maintain fence, various small jobs, decorative painting, paving, install or replace pool cover, winter services and snow removal, exterior trim, ceiling fan, install or repair bath exhaust fan, opening & closing service for swimming pool, power washing, repair countertops, small staining or painting project, install, repair or replace caulking, install or refurbish mirrors, install or repair acoustic ceiling tiles & accessibility modifications, message us so we can assist you and arrange a quote.

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  • HVAC contractor in Thornhill, Ontario

    Need a HVAC contractor, Flooring Contractor, Electrician, Handyman, Landscaping Company, Carpenter, Plumber, Cleaning company, Appliance repair specialist, Pool company, Home Inspector, Renewable Energy Specialist, Home Electronics Specialist, Fireplace and BBQ Specialist, Refrigeration specialist, Tiler, Excavation Specialist, Roofing specialist & Architect based in Richmond Hill or nearby? enersave heating and cooling 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 certified gas technician with vast experience in residential heating, cooling, and ventilation systems. I can speak and understand various South Asian languages. I am also authorized to work on your house's gas line and can remove any tag in your system. I am also working to install furnaces, air conditioning, and heat pumps, ductless units, water heaters, and all residential duct work.

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  • HVAC contractor in Thornhill, Ontario

    Need a HVAC contractor, Flooring Contractor, Electrician, Handyman, Landscaping Company, Carpenter, Plumber, Cleaning company, Appliance repair specialist, Pool company, Home Inspector, Renewable Energy Specialist, Home Electronics Specialist, Fireplace and BBQ Specialist, Refrigeration specialist, Tiler, Excavation Specialist, Roofing specialist & Architect based in Scarborough or nearby? AirClair 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

    Fully equipped to handle any emergency plumbing repairs, drain backups, sewer camera inspection, pipe locates and much more.

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  • HVAC contractor in Thornhill, Ontario

    We provide reliable, professional plumbing services for residential and commercial customers. Our team is committed to quality workmanship, dependable service, and customer satisfaction. From repairs and maintenance to new installations and renovations, we approach every job with care and attention to detail. We believe in clear communication, fair pricing, and completing work safely and efficiently. Our goal is to provide plumbing solutions our customers can rely on.

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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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