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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
    • Best of the Best 2025
    • Best of Awards 2026

    At Tamas Mechanical we offer a broad range of heating and cooling services, as well as furnace repairs in GTA. From installing new furnace and heating units, air conditioners, heat pumps and boilers to ductless air conditioners and water heaters. We install full duct systems and high velocity duct systems. We install air handlers that use hot water to warm air and air handlers that use electric heaters.

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  • HVAC contractor in Thornhill, Ontario

    "If you are looking for electrical work, Camera and surveillance system, and smart home provided by a Licensed Electrical Contractor that prides itself on meticulous, efficient service with fair pricing, our experienced electrical engineers and licensed electricians can help. P.C.C. has been proudly providing the best electrical services in GTA. From switching out light plates to rewiring commercial properties, no job is too big or too small. Your Trusted Emergency Electrician When it comes to electrical services in GTA, you deserve a company that is committed to your satisfaction and is there in your hour of need. We guarantee every job we do, and our licensed electricians are available 24 hours a day for emergency electrical services."

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  • HVAC contractor in Thornhill, Ontario

    I am a Certified Engineering Technician with over 10 years of experience in the electrical industry. I am capable of designing, planning, troubleshooting, installing and provides consultation on electrical systems and services. I am an advocate of renewable energy and recommends solutions for any energy needs. I am straightforward, meticulous and fun to work.

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  • HVAC contractor in Thornhill, Ontario

    I work with installing tiles in bathrooms, swimming pools, replacing tiles, grouting,

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  • HVAC contractor in Thornhill, Ontario

    Company Discretion – Your Personal Home Renovation Expert I’m a dedicated, experienced handyman specializing in home renovations and improvements. Whether it’s bathroom remodels, kitchen upgrades, tiling, flooring, or general repairs, I handle every project personally from start to finish. Here’s what you can expect when working with me: • Personal Attention: I manage every detail myself to ensure top-quality results. • Professional and Reliable: Friendly, punctual, and respectful service you can trust. • Clear Communication: Honest estimates, updates throughout the project, and advice you can rely on. • Customer Satisfaction: I don’t consider a job done until you’re completely happy. Working with me personally means your home gets the care, precision, and dedication it deserves—no middlemen, no subcontractors, just one professional committed to excellence.

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  • HVAC contractor in Thornhill, Ontario

    ⚡️ESA certified Electrical Contractor #7019014 🏠Custom homes| EV Charger | Panel Upgrade | Potlights Residential & Commercial Serving Ontario🍁

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  • Our Emphasis is on Customer Service. We offers expert solutions for all your plumbing needs, including drain cleaning, clogged drain pipes, sewer line repair, and emergency plumbing services. No matter if you are dealing with slow drains, backed-up sinks, or broken drain pipes our experienced team handles it all with care. We offer fast, clean, and affordable plumbing assistance across residential and commercial spaces. 15 plus years experience.

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  • JG Appliance & HVAC Services specializes in providing professional, affordable installation and servicing for a variety of appliances and HVAC systems. Here’s a breakdown of what we do: Our Services ✅ Appliance Installation • Dishwashers • Washing Machines & Dryers • Refrigerators (including fridge line setup) • Gas Stoves & Ovens ✅ HVAC Installation & Maintenance • Air Conditioners • Furnaces • Humidifiers • Water Tanks (installation and replacement) ✅ Gas Line Services • Gas Line Installation & Relocation • BBQ Gas Line & Hookups ✅ Service & Repairs • Maintenance and repair of gas appliances (stoves, dryers, and more) • Inspection and servicing of HVAC systems Service Areas: Milton, Oakville, Burlington, Hamilton, and Etobicoke. We take pride in delivering reliable, efficient, and customer-focused services, ensuring your home appliances and HVAC systems operate safely and smoothly. We offer: • 1-Year Warranty on all installation jobs • 6-Month Warranty on all servicing and maintenance work And of course, we stand behind the quality of every job we do done right the first time, with care and precision. Reliable. Professional. Guaranteed.

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  • Based in the Greater Toronto Area, Renovation Possibilities GTA is a fully insured contractor that specializes in custom interior renovations; think bespoke bathroom makeovers, comprehensive basement finishing and whole‑home updates. As a family‑run business led by two cousins with more than 40 years of combined construction experience, we handle everything in‑house, from permits and design to the finishing touches. Our focus on craftsmanship, customer satisfaction and functional design means every project is tailored to fit your needs, lifestyle and budget. At Renovation Possibilities GTA, our mission is to enhance the beauty and functionality of your home through innovative design, detailed craftsmanship and superior construction practices. We believe a renovation isn’t just about making a space look new again; it’s about tailoring it to your needs so it adds value both aesthetically and functionally. Our goal is to make the process as seamless and stress‑free as possible, giving you a space you’ll love for years to come.

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  • HVAC contractor in Thornhill, Ontario

    With 25 years of experience, Tue Company specializes in heating, cooling, welding, plumbing, and natural gas services. Known for reliability and expertise, they provide tailored solutions for both residential and commercial clients. Their skilled team ensures optimal comfort through efficient HVAC systems, high-quality welding, effective plumbing repairs, and safe natural gas installations. Tue Company combines technical proficiency with a customer-focused approach, making us a trusted choice in the industry.

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  • HVAC contractor in Thornhill, Ontario

    Laurel Outdoor Construction is a landscape construction and outdoor design-build company based in Pickering, Ontario, serving Durham Region, Vaughan, York Region and select GTA communities. We specialize in complete backyard renovations, fiberglass pools and poolscapes, interlock driveways and patios, retaining walls, grading and drainage, outdoor structures, masonry, irrigation and landscape lighting. Our projects are designed and built as complete outdoor environments, with a focus on proper excavation, base preparation, drainage and durable construction for Ontario conditions. Fully insured, WSIB compliant and an AFI Certified Fiberglass Pool Installer.

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  • HVAC contractor in Thornhill, Ontario

    plumbing

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  • HVAC contractor in Thornhill, Ontario

    Hvac Experets. Install, maintain and Repair all hvac equipment. TikTok- BluHvacInc Instagram-BluHvacInc Website-https://bluhvac.co/

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  • HVAC contractor in Thornhill, Ontario

    NEW CUSTOMER SPECIAL – 10% OFF Your First Project......LIMITED TIME ONLY! Need repairs, renovations, installations, or general handyman work? We've got you covered! Bluemoon has been working all over the Gta with over 100+ projects completed over the last 15 years we take pride in our quality and put our clients first! From big projects to small jobs, we approach every task with a commitment to quality services, reliable service and best pricing. Our mission is perfection, and we promise you won't be disappointed! Services Include: ✅ Bathroom Renovations ✅ Kitchen Renovations ✅ Tile Installation ✅ Hardwood, Laminate, Vinyl (Flooring) ✅ New Plumbing, Fixtures, Repairs, Drains ✅ Toilet Replacement ✅ General Repairs & Maintenance ✅ Electrical Work ✅ Drywall Repair & Patching ✅ Framing ✅ Painting & Touch-Ups ✅ Handyman Services Available ✅ Home Improvements (Inside & Out) ✅ Land/Hard-scaping, Decks, Fences ✅ Odd Jobs & Much More... Why Choose Bluemoon Reno? ✔ Professional & Reliable ✔ Clean & Respectful ✔ Attention to Detail ✔ Licensed & Insured ✔ 100% Customer Satisfaction Guaranteed

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  • HVAC contractor in Thornhill, Ontario

    Instagram rosetta.stoneandtile. English and Polish speaking. Free Estimates - serving GTA. 10 years experience. Large or small format tiles. -Luxury and custom -Residential -Subdivision -Commercial -Preconstruction -Renovations

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  • HVAC contractor in Thornhill, Ontario

    at Rapri Renovations we transform your vision into reality with expert craftsmanship, attention to detail, and a commitment to excellence. As a trusted renovation company with years of experience, we specialize in creating stunning home makeovers that elevate the beaty, functionality, and value of your property. whether you're dreaming of a modern kitchen, a spacious living room. or a complete home renovation, our team works closely with you every step of the way to ensure the project reflects your unique style and meets your needs. our skilled professionals are dedicated to delivering high-quality work on time and within the budget, all while minimizing disruption to your daily life. From the initial consultation to the final touches, we pride ourselves on clear communication, transparency, and reliability. We use inly the finest materials and stay up-to-date with the latest design trends and techniques to guarantee lasting results. At Rapi Renovations, we don't just renovate spaces-we build lasting relationships with our clients, ensuring your satisfaction is our top priority. If your ready to transform your home into a place you'll love for years to come, trust us to make it happen. let us bring your dream home to life!

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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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