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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

    Northlake MECHANICAL’s mission is to deliver honest, high-quality heating and cooling solutions with precision workmanship, transparent pricing, and unmatched reliability — ensuring every home we service operates safely, efficiently, and comfortably year-round.

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  • HVAC contractor in Thornhill, Ontario

    GT electrical Inc is ready to serve customers any time Thank you

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  • HVAC contractor in Thornhill, Ontario

    I am a professional and experienced hvac contractor who can install and diagnose the issues for heating and cooling systems such as furnace, water heater, tankless water heater, air conditioners, rooftop, and etc. I also do ductwork and gas piping as well for old or custom new houses.

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  • HVAC contractor in Thornhill, Ontario

    Reliable HVAC Installation and Repair Services – Residential & Commercial We specialize in the installation, repair, and maintenance of all types of HVAC equipment for both residential and commercial properties. With years of experience in the industry, we are committed to providing top-quality service you can count on. Why Choose Us ? Reliable & Honest: We pride ourselves on being trustworthy and transparent in every service we provide. Fully Insured: Rest easy knowing that your home or business is in safe hands with our fully insured services. We are TSSA Registered Fuels Contractors. Expert Installation & Repair: Whether you need a new system installed or a repair on your existing HVAC unit, we handle it all—quickly and efficiently. Residential & Commercial: No job is too big or small—whether it’s your home or business, we’ve got you covered. Customer Satisfaction: Our goal is to exceed your expectations with every project. We’ll ensure your HVAC systems are running at their best. Services We Offer: HVAC System Installation Heating and Air Conditioning Repairs Preventative Maintenance Ductwork and Ventilation Services Commercial HVAC Solutions Emergency Repairs

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  • HVAC contractor in Thornhill, Ontario

    Georgetown Electric — Reliable, Professional, Friendly Electrical Service Since 1973 Georgetown Electric is a family business proudly serving Georgetown, Milton, Oakville, Mississauga, Guelph, Caledon, Erin, and everywhere in between. As the second generation of a local family business with over 50 years of history, we bring trusted expertise and a genuine commitment to quality to every job we take on. Our Services Include: EV Charger Installation Panel Changes & Upgrades Service Upgrades Home Renovations And all your residential electrical needs Every job is personally overseen by John Murray, Master Electrician and Owner/Operator, ensuring the highest standard of safety and craftsmanship. Check out our Google Reviews and see why homeowners across the region have trusted Georgetown Electric for generations. Reliable, professional, friendly electrical service since 1973. We look forward to working with you!

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  • HVAC contractor in Thornhill, Ontario

    Hello, we provide clean, reliable, worry less work space. We do full house renovations as we have 15 years of verified experience which provides :- kitchen remodeling, complete custom washroom renovation,tilling, flooring, painting, plumbing etc. we also do legal basements all over the GTA. we give 5 years written guarantees for our valuable customers so they don’t have to worry after job completion. contact us for free quotations. Thank you for interests in our profile.

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  • HVAC contractor in Thornhill, Ontario

    At Energy Electrical Contracting Ltd. we pride ourselves on our commitment to high-quality installations and excellent customer service. We have experience in everything from small residential projects to large institutional facilities. Get in touch today and a professional and experienced electrician will be happy to help you out!

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  • HVAC contractor in Thornhill, Ontario

    I mainly specialize in installing, repairing, and maintaining irrigation systems, but I'm here to help with all of your general contracting needs in the garden and the home.

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  • HVAC contractor in Thornhill, Ontario

    Roman Beseniuk is an Oakville-based handyman with extensive experience in commercial and residential building facility maintenance. My goal is to provide quality service and excellent workmanship to my customers. If you don't have a time, tools or you don't know how to fix things around the house - I am always at your disposal. Assembling items of furniture, hanging pictures and TVs, small electrical repairs as well as rooftop solar panels service will be done in a short time with a clearly stated price.

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  • At R&D Home Improvements - Heating and Cooling Services, we are a local HVAC contractor providing heating and air conditioning services to our communities. We offer fair and honest pricing. We look forward to working with you!

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  • HVAC contractor in Thornhill, Ontario

    We provide all home renovation services at very reasonable prices and good quality work in least time.

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  • HVAC contractor in Thornhill, Ontario

    Attentive to detail, punctual.

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  • HVAC contractor in Thornhill, Ontario

    I will make sure everything according to code standards. Will always pick your call. Fast response. Will work with your idea.

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  • HVAC contractor in Thornhill, Ontario

    Hi my name is Vinoth Thanabalan, I have been licence tech for 16 years, and running my business for 15 years since 2010. I’m also a sub contractor for Enercare home service. I have extended experience working ok furnace, ac, tankless water heater, heat pump. I’m licensed and insured as gas fitter and Refrigration mechanic.

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  • HVAC contractor in Thornhill, Ontario

    Welcome! I’m Nikola Masevski, owner of APM Construction. With over 7 years of hands-on experience in the construction industry, I have had the privilege of transforming countless homes through top-notch interlock work, concrete services, hardscaping, and pool designs. For the past 3.5 years, APM Construction has been dedicated to delivering high-quality results with an unwavering commitment to customer satisfaction. I take great pride in our reputation, which is backed by hundreds of positive testimonials from satisfied clients. Our team works hard to ensure that every project, big or small, is completed with attention to detail and exceptional craftsmanship. Whether you’re looking to enhance your outdoor space with a beautiful new patio or transform your interior with stunning bathroom renovations or sleek new flooring, we’ve got you covered. Your vision is our priority, and we strive to bring it to life with expertise, reliability, and a focus on excellence. Let’s work together to make your dream project a reality!

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  • HVAC contractor in Thornhill, Ontario

    SolRise Construction Ltd is a professional Plumbing & Mechanical contractor serving Durham Region and the Greater Toronto Area. We provide reliable residential, commercial, and industrial plumbing services, including 24/7 emergency response, repairs, maintenance, installations, drain and sewer services, piping, and mechanical work. Our commercial services are designed for property managers, building owners, facility managers, general contractors, restaurants, retail locations, offices, warehouses, multi-residential properties, and industrial facilities. We are available for scheduled service, ongoing maintenance, project work, and urgent plumbing emergencies. At SolRise, we understand that plumbing and mechanical problems can disrupt operations and create costly damage. Our focus is on responsive service, clear communication, professional workmanship, and practical solutions that address the problem correctly and efficiently. We work with clients who need a dependable contractor they can call for everything from routine plumbing repairs and maintenance to larger commercial projects and emergency service. SolRise is also available to work as a primary, secondary, or emergency plumbing contractor for property management and commercial organizations. Our services include commercial and residential plumbing, emergency plumbing, drain and sewer service, leak and pipe repairs, fixture installation and replacement, water lines, plumbing maintenance, mechanical piping, and plumbing installations and upgrades. Serving Oshawa, Whitby, Ajax, Pickering, Courtice, Bowmanville, Clarington, Durham Region, and surrounding GTA communities. SolRise Construction Ltd — Plumbing & Mechanical. Professional service. Reliable response. Quality workmanship.

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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 440 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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