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Furnace repair services in Thornhill, Ontario

With HomeStars, finding furnace repair in Thornhill, Ontario is easy. Post your job or browse our directory of specialists, and available pros will reach out. You can explore their past work history, browse homeowner feedback, compare quotes, and select the right match for your project.

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Some of our top rated furnace repair services in Thornhill, Ontario

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  • KSC HVAC Group INC

    Rating: 5 out of 5
    Furnace repair service 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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    Latest review:
    Install or replace airconditioning-
    Kevin is very knowledgeable on this Danby unit from Costco and knew exactly what to do. I am up and running and very happy now!

  • FIXORA Appliance Repair

    No reviews yet

    Furnace repair service 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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  • Optimus Mechanical

    Rating: 5 out of 5
    Furnace repair service in Thornhill, Ontario

    At Optimus Mechanical , we take pride in providing reliable, honest, and high-quality HVAC services across the GTA and surrounding areas. Whether you need a new furnace, air conditioner, heat pump, water heater, ductwork installation, or gas line repair, our licensed technicians deliver top-notch workmanship and friendly customer service every time. We understand that comfort and safety come first — that’s why we use the latest tools, follow Ontario Building Code standards, and offer energy-efficient solutions that save you money year-round. From residential upgrades to commercial systems, we handle every job with care and precision.

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    Latest review:
    Install or replace gas systems and pipes-
    This contractor showed up on time completed the job and stayed for a bit to make sure the job was completed correctly.

  • Nordmen mechanical inc

    No reviews yet

    Furnace repair service 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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  • Young Contractor group

    No reviews yet

    Furnace repair service 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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  • Tj heating & cooling services ltd.

    No reviews yet

    Furnace repair service in Thornhill, Ontario

    Experienced in boiler service & Installation.

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  • Pearce Plumbing

    Rating: 5 out of 5
    Furnace repair service in Thornhill, Ontario

    Need a HVAC contractor, Plumber, Bathroom Renovation Company, Excavation Specialist, Concrete Specialist, Fireplace and BBQ Specialist, Handyman, Landscaping Company, General contractor & Paving Contractor based in Brampton or nearby? Pearce Plumbing 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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    Latest review:
    Unclog drain and sewage pipes-
    Timely service and a great price! He showed up with his Apprentice, kept my space clean was done in less than a half hour. Will definitely recommend this company.

  • Akal appliance ltd

    Rating: 5 out of 5
    Furnace repair service in Thornhill, Ontario

    Akal appliance ltd is a Mississauga based HVAC contractor, Electrician, Handyman, Plumber, Appliance repair specialist, Home Electronics Specialist, Fireplace and BBQ Specialist, Refrigeration specialist & Kitchen Renovation Company company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace airconditioning, repair household appliance, repair or maintain airconditioning, repair or maintain heating system, install or replace household appliances, install or replace ventilation system, various small jobs & install or replace garbage disposal, message us so we can assist you and arrange a quote.

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    Latest review:
    Repair household appliance-
    Excellent service and very reasonable

  • Jbm mechanical

    No reviews yet

    Furnace repair service in Thornhill, Ontario

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

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  • Northfield Mechanical

    No reviews yet

    Furnace repair service in Thornhill, Ontario

    Our HVAC company is dedicated to providing high-quality heating, ventilation, and air conditioning services across Ontario. With a highly experienced team, we specialize in installations, maintenance, and repairs for both residential and commercial properties. We prioritize customer satisfaction by offering reliable, energy-efficient, and cost-effective solutions tailored to your needs. Whether you’re looking to stay warm in winter or cool in summer, we’re here to ensure your comfort with professional and dependable service. Contact us today for all your heating and cooling needs!

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  • Appliance technician

    No reviews yet

    Furnace repair service in Thornhill, Ontario

    Repair all major home appliances Washer, dryer, fridge, electricstove, gas stove , furnace, airconditioner, dishwasher , softner

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  • Tamas Mechanical

    Rating: 5 out of 5
    Furnace repair service 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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    Latest review:
    Repair or maintain airconditioning-
    HE REFILL GAS AND ACCOMODATED MY REQUEST. THANK YOU.

  • Nanak appliances repair

    No reviews yet

    Furnace repair service in Thornhill, Ontario

    Contact for reliable and professional work.

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  • JG Appliances & Refrigeration Repair Inc

    Rating: 5 out of 5
    Furnace repair service in Thornhill, Ontario

    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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    Latest review:
    Repair household appliance-
    Great service quick diagnosis. Thanks JG

  • HVAC, plumbing

    No reviews yet

    Furnace repair service 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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  • Blu Hvac Inc

    No reviews yet

    Furnace repair service in Thornhill, Ontario

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

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4.7

Top rated Furnace repair services

Our Furnace repair services in Thornhill, Ontario, are rated 4.7 out of 5 based on 70 reviews from homeowners like you.

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What kinds of furnace repair services can I find in Thornhill, Ontario?

Furnace repair services in Thornhill, Ontario cover a range of solutions to keep your heating system running safely and efficiently. From quick fixes to more complex issues, furnace repair professionals are equipped to diagnose problems and restore proper operation.

Here are some of the most common furnace repair services you can find:

  • Diagnostic and troubleshooting: Identify the cause of heating issues or system failures.
  • Thermostat repairs: Fix or replace faulty thermostats affecting temperature control.
  • Ignition and pilot light repairs: Restore reliable startup and operation.
  • Blower motor and fan repairs: Improve airflow and heat distribution.
  • Heat exchanger inspections: Address cracks or damage that impact safety and efficiency.
  • Emergency furnace repairs: Get urgent help when your furnace stops working unexpectedly.

HomeStars tip: Regular furnace maintenance can help reduce the risk of unexpected breakdowns. Simple steps like changing air filters on schedule, keeping vents clear, and checking thermostat settings may resolve minor issues before professional furnace repair services in Thornhill, Ontario are needed.

With HomeStars, it’s easy to find furnace repair services in Thornhill, Ontario. Post your project today and available pros will get in touch to discuss timelines, quotes, and your specific needs.

What costs can I expect for furnace repair in Thornhill, Ontario?

The cost of furnace repair services in Thornhill, Ontario typically depends on the type of issue, labour required, and whether the repair is urgent. Minor furnace repairs often range from $150 to $400, while more complex furnace repair services in Thornhill, Ontario can be higher, typically $500 to $1,200 or more, especially for emergency or after hours calls.

Other costs to consider when paying for furnace repair services in Thornhill, Ontario include:

  • Problem type and severity can affect labour time and required parts.
  • Furnace age and model as older or specialized systems may require harder to source parts.
  • Repair timing with emergency and peak season service often costing more.
  • Labour and diagnostic fees which may be charged separately.

Read our price guides for more details on different furnace repair costs in Thornhill, Ontario, such as our guide for furnace maintenance costs or our guide for furnace installation costs.

Find furnace repair services in Thornhill, Ontario through HomeStars

No matter your furnace repair needs in Thornhill, Ontario, HomeStars is here to help you find the right pro. You can compare quotes, read real customer reviews, and review past work all in one convenient place.

How to find furnace repair services in Thornhill, Ontario on HomeStars:

  1. Start by posting your project. Provide a clear description of your furnace repair project and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history, and read customer feedback for furnace repair services in Thornhill, Ontario.
  3. Connect with furnace repair pros in Thornhill, Ontario to discuss your project, compare 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 tradespeople are rewarded for good work and held accountable for any problems.

Did you know? All furnace repair providers in Thornhill, Ontario who register with our platform undergo verification, including ID and company checks, so you can hire with confidence.

Checklist for choosing the furnace repair pro in Thornhill, Ontario

When assessing a company or contractor for furnace repair in Thornhill, Ontario, reviewing their credentials, insurance, and service practices is a smart place to start. Here is a checklist of what to look for:

  • Insurance and coverage: Confirm the furnace repair provider carries valid general liability insurance and workers’ compensation coverage, such as WSIB in Ontario or a provincial equivalent, to protect against property damage or on site injuries.
  • Licensing and business registration: Check that the company is properly licensed or authorized to provide furnace repair services in Thornhill, Ontario. Valid gas fitting or HVAC certifications are essential, and membership to national trade associations like the Heating, Refrigeration and Air Conditioning Institute of Canada can be a sign of a reputable professional.
  • Experience with local heating systems: Look for proven experience working with furnace types and heating demands common in Thornhill, Ontario.
  • Compliance with regulation and codes: Ensure the provider follows local building codes, safety standards, and gas regulations applicable in your province or municipality. Specifically for gas systems, they should be following the Canadian Natural Gas and Propane Installation Code.
  • Equipment and maintenance: Confirm the company uses professional grade diagnostic tools and well maintained equipment.
  • Professional approach and pricing: Assess communication, response time, and pricing transparency during your initial contact.

Homestars tip: In addition to verifying the above, once you’ve chosen your pro, make sure to ask them how best to prepare your home for their visit, such as clearing access to the furnace or turning the system off before their arrival.

Considerations for furnace repair services in Thornhill, Ontario

When hiring a furnace repair professional in Thornhill, Ontario, there are a few important factors that homeowners need to keep in mind:

  • Local climate puts your furnace to the test: Cold winters, temperature swings, and extended heating seasons can place added strain on furnaces — increasing wear on components and the likelihood of breakdowns during peak use.
  • Regulations vary by province and municipality: Furnace repair is not governed by a single national authority. Requirements related to gas safety, technician licensing, and installation standards are set at the provincial and municipal levels, meaning expectations can vary depending on where the work is performed.
  • Local expertise matters: Working with a furnace repair provider familiar with local conditions in Thornhill, Ontario can help ensure repairs are completed safely, efficiently, and in line with applicable standards.

FAQ: Common questions about furnace repair in Thornhill, Ontario

What are the common signs that I may need furnace repair services in Thornhill, Ontario?

Warning signs include uneven heating, unusual noises, frequent cycling, or rising energy bills. These issues often indicate a mechanical or control problem.

When should I call a professional for furnace repair in Thornhill, Ontario?

You should call for furnace repair if basic checks like thermostat settings or filter changes do not resolve the issue, or if the furnace shuts down unexpectedly.

What does a standard furnace repair service in Thornhill, Ontario usually include?

A typical service includes system diagnostics, identification of faulty components, minor repairs, and safety checks. Parts replacement may be quoted separately.

Is furnace repair in Thornhill, Ontario covered by a home warranty or insurance?

Coverage depends on your policy and the cause of the issue. Some home warranties or insurance plans may cover certain furnace repairs, while others exclude wear and tear or maintenance related problems.

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