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Find air conditioning repair pros in Thornhill, Ontario

When your air conditioning breaks down, it can be stressful trying to find the right pro to fix it. That’s where HomeStars steps in: through our convenient all-in-one platform, we connect you with available pros who are ready to take on your repair project! Compare quotes, read reviews, and make the hire, all in the same place.

A worker uses a wrench to fix joints and copper piping in an air conditioning unit.

Some of our top rated air conditioning repair specialists in Thornhill, Ontario

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  • GPRO

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    .

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  • Maplewave

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Heating & Cooling Experts Installation | Repair | Sales | Maintenance We provide reliable and professional heating and cooling services for homes and businesses. Our certified technicians deliver fast, efficient, and high-quality solutions to keep your space comfortable year-round. ✔ Expert installation & repair ✔ Honest pricing ✔ Fast response ✔ Guaranteed quality Contact us today for dependable HVAC services you can trust.

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  • 1001600644 ONTARIO INC.

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Ash Climate Solutions provides professional HVAC installation, maintenance, and repair services for residential and commercial properties across the Greater Toronto Area. We service and install central heating and cooling systems, furnaces, boilers, air conditioners, heat pumps, rooftop units, ductless systems, VRV/VRF systems, HRVs, ERVs, and ventilation equipment. Our services include troubleshooting, refrigeration piping, leak detection and repair, equipment replacement, preventive maintenance, low-voltage controls, condensate drainage, system start-up, testing, and commissioning. We provide dependable workmanship, honest recommendations, responsive service, and solutions suited to each customer’s comfort and budget. Contact Ash Climate Solutions for reliable central heating, air conditioning, refrigeration, and ventilation services.

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  • Vertex heating & air conditioning

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Vertex heating & air conditioning can help you with your install or replace heating systems, install or replace airconditioning, install or replace solar pv panels, repair or maintain solar pv panels, install or replace floor heating, install or replace gas systems and pipes, install or replace boiler, repair or maintain boiler, repair or maintain floor heating, install or replace radiators, install or replace thermostats, repair or maintain airconditioning, repair or maintain heating system, install or replace ventilation system, cleaning of dwelling house or office, install or replace heatpump, install solar water heater, repair or maintain heatpump, repair solar water heater, install or replace mist-generating system, install or replace cold room, install or replace whirlpool, spa and wellness, energy audit, clean air ducts & vents, install or repair water heaters, water or fuel tanks & air cleaners and humidifiers request in Richmond Hill and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Vertex heating & air conditioning now to discuss your needs and arrange a quote.

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  • Ali Shamsrizi

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    I am a licensed Red Seal Electrician with over 10 years of experience in industrial and residential electrical work. My top priority is delivering high-quality, safe, and code-compliant electrical solutions. ✅ Services Offered: ✔ Wiring and installation for industrial and residential projects ✔ Electrical panel upgrades and repairs ✔ All homes job, simple to complex ✔ Troubleshooting and repair of electrical systems in residential ✔ Troubleshooting and repair of electrical systems in industrial facilities ✔ Indoor and outdoor lighting installation

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  • Shiny Swan Holdings and Renovation Services

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    At Shiny Swan, we specialize in commercial refrigeration and full HVAC services throughout the Greater Toronto Area. Our certified technicians bring decades of hands-on experience to every job, delivering dependable solutions with precision and professionalism. We offer expert installation, maintenance, and repair services for walk-in coolers, freezers, and all types of commercial refrigeration systems. In addition, we provide complete heating and cooling services, including air conditioning, ductless split systems, and high-efficiency heat pumps for both commercial and residential properties. At Shiny Swan, quality workmanship, energy-efficient solutions, and customer satisfaction are at the heart of what we do. Whether you’re upgrading your system or need urgent repairs, we’re your trusted partner for reliable and cost-effective service.

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  • Heatra Inc.

    Rating: 5 out of 5
    Air Conditioning Repair Specialist in Thornhill, Ontario

    At Heatra Inc., we specialize in providing top-tier HVAC services to homeowners and businesses across the Greater Toronto Area. With years of experience and a deep understanding of heating, ventilation, and air conditioning systems, we offer reliable and efficient solutions for all your climate control needs. Whether it’s installing new systems, performing maintenance, or troubleshooting complex issues, our goal is to ensure your comfort year-round.

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    Latest review:
    Heatra Inc. did a fantastic job setting up my new AC! The service was professional, efficient, and priced fairly. The team led by Mr. Nasir was friendly, knowledgeable, and made the whole process smooth. Highly recommend them for quality HVAC work!

  • Vladimir Culic

    New on HomeStars

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Our team has more than 25 years of experience combined and our clients see that in the results. We are working all across Toronto and GTA and ready for longer trips. Our special skills are: - Spackling - Drywall repair - Interior & Exterior painting - Precision cutting - Advanced surface preparation and remediation We believe a great paint job is 80% prep work, so our team never cuts corners. We treat your home like our own - keeping it clean, showing up on time, and communicating honestly.

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  • AMAN CABINETRY & HANDYMAN SERVICES

    Rating: 4.9 out of 5
    Air Conditioning Repair Specialist in Thornhill, Ontario
    • Best of Newly Listed 2025

    At Aman Handyman services we provide the following services and many more Assembly Wardrobe, Tables, Bedframes, Shelving, Playgrounds, Gym equipments, Installation Kitchen cabinets, Garage Doors, Sheds, Gazebo, Curtains, blinds, Lights, Baby Proofing, Countertops, Doors,…. etc Carpentry Crown Molding, Custom Shelving, Cabinets, Mantels, Flooring Mounting TV Wall Mount, Shelving, Blackboard, Cabinets, Mirrors Repair Furniture, Doors, Drywall, Faucets, Window Frames & Screens Maintenance Drywall repair, Painting, Touch ups, Baseboard, Caulking Kitchen: washroom and windows.

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    Latest review:
    Various small jobs-
    I’m very happy with the work that Aman did. He was punctual, polite, courteous and friendly. After completing the work, he cleaned and tidied up. Recommend him for small odd jobs that others may not want to take on.

  • Mammut air solution

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Experienced HVAC Technician specializing in installation, maintenance, and troubleshooting of water heaters, furnaces, and air conditioning systems. Focused on quality work, safety, and customer satisfaction.

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  • Vertex Innovations HR Inc

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    I am a licensed 309A electrician with over 10 years of hands-on experience in residential, commercial, and industrial electrical work. I specialize in installing, maintaining, and repairing electrical systems, equipment, and fixtures with precision and care. I am deeply familiar with the Ontario Electrical Safety Code and committed to upholding the highest standards of safety and professionalism. My goal is to deliver quality service and ensure customer satisfaction through clear communication, reliable workmanship, and attention to detail.

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  • F.C. Contracting Company

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    Introducing Professional E&M Services, Renovation with Interior Design Services: Reliable, Efficient, Reasonable and Affordable Hello! My name is Frankie, and I am a licensed Mechanic, with extensive experience in providing professional HVAC services. I also hold a Bachelor's degree in Building Services, adding a strong foundation in construction and system integration. Our diverse team includes experienced plumbers and an interior designer, allowing us to offer comprehensive renovation services for residential and commercial spaces. Our commitment is to deliver reliable, efficient, and affordable services that exceed customer expectations.

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  • Kronos Construction Management

    Rating: 5 out of 5
    Air Conditioning Repair Specialist in Thornhill, Ontario

    We are a maintenance and renovation contractor. We pride ourselves on being on-time and on budget. Let’s start a conversation about your renovation needs.

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    Latest review:
    The team at Kronos Construction Management did a fantastic job on our master bathroom! They worked hard and got it done as promised on time and on budget. Everything looks great, and we really like our bathroom. We will definitely be using them for any future home improvements. Thank you for the quality work!

  • Quality Climate Control Inc.

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    We are a reliable HVAC service provider specializing in hydronic heating systems and air conditioning. With a strong focus on boilers, radiant floor heating, hot water heating, and cooling solutions, we deliver efficient, high-quality installations, repairs, and maintenance. Our goal is to keep your home comfortable and energy-efficient year-round. We take pride in our attention to detail, honest recommendations, and dependable service. Whether you need troubleshooting, upgrades, or a complete system installation, we bring the expertise to get the job done right the first time. Customer satisfaction and long-term performance are at the core of everything we do. Proudly serving the GTA for 10+years!

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  • A&A Heating & Air Condition Inc

    Rating: 5 out of 5
    Air Conditioning Repair Specialist in Thornhill, Ontario

    We have established ourselves as an efficient and professional heating and air conditioning company with over 35 years experience in the HVAC field. We are a licensed residential and commercial gas, refrigeration and air condition company with training in many manufactured furnace air condition, boiler, ductless and tankless etc. A & A Heating has also helped provide practical training for young people through Technical Colleges in Ontario. We provide free quotes and you can visit our showroom at 22 Steinway blvd Unit 20 by appointment only!

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    Latest review:
    Repair or maintain heating system-
    Had a furnace stop heating right at night time. I was able to talk with Greg and in the morning he was able to come to look at the problem and then temporarily fix our inducer motor while waiting for the weekend to end and get a replacement. Very quick replacement and Greg was very polite and wonderful at helping to explain the cause of the issue. Would highly recommend it and will be a future customer!

  • Heating & Air Conditioning

    No reviews yet

    Air Conditioning Repair Specialist in Thornhill, Ontario

    We have been working in the heating and cooling industry for over 20 Years, building strong experience in both residential and commercial HVAC systems. Over the years, We have worked with a wide range of HVAC systems, including furnaces, air conditioners, heat pumps, ductless mini-splits, and ventilation systems and Attic Insulation. Some of our key HVAC skills include: - Installation of heating and cooling systems (residential and commercial) -Troubleshooting and diagnostics -Furnace and A/C repair -Ductwork installation and repair -Preventative maintenance and seasonal servicing -Thermostat and smart HVAC system setup Knowledge of local codes and safety regulations

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4.8

Top rated Air Conditioning Repair Specialists

Our Air Conditioning Repair Specialists in Thornhill, Ontario, are rated 4.8 out of 5 based on 166 reviews from homeowners like you.

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What services are available for air conditioning repair in Thornhill, Ontario?

Whether for a central air system, a ductless setup, or otherwise, there are pros who can help you with several kinds of AC repairs in Thornhill, Ontario. The air conditioning repair service you’ll need will depend on your air conditioning setup and the specific repair.

Here are some of the most common services carried out by pros who offer AC repairs in Thornhill, Ontario:

  • Refrigerant leak detection and recharge: Identifying and sealing leaks, then restoring refrigerant levels to keep your system cooling effectively
  • Compressor repair and replacement: Diagnosing and fixing compressor issues, which are among the most common causes of a system that runs but fails to cool
  • Electrical and thermostat repairs: Fixing faulty wiring, capacitors, contactors, or thermostats that prevent your system from starting or running properly

No matter your air conditioning needs, it’s easy to find someone who can help in Thornhill, Ontario. Just post your project on HomeStars now, and available contractors in your area can register their interest!

What are the average costs of air conditioning repair in Thornhill, Ontario?

When budgeting for air conditioning repair in Thornhill, Ontario, costs can range from under $200 for minor electrical fixes to over $2,500 for a compressor replacement. What you'll pay depends largely on the type of repair, the age of your system, and whether parts need to be ordered.

Typical costs for common air conditioning repair services in Thornhill, Ontario:

  • Refrigerant leak detection and recharge: between $200 and $500, though older units using phased-out refrigerants can push costs higher
  • Costs for AC compressor repair and replacement: repairs generally range from $1,000 to $2,500 depending on the unit size and whether parts are covered under warranty
  • Electrical and thermostat repairs: typically fall between $150 and $400 for most electrical components, while thermostat replacement generally runs $150 to $300
  • Emergency repairs: several models are used to calculate emergency or after-hours surcharges but generally range from around $75 to $350 depending on the repair

HomeStars tip: To ensure you get the most accurate costs for Thornhill, Ontario, make sure to get everything written down in an itemized quote. This avoids misunderstandings and supports transparency and clear communication for both you and the contractor.

How to find services for air conditioning repairs in Thornhill, Ontario with HomeStars

Finding an available pro to help with AC repairs in Thornhill, Ontario can be time-consuming and stressful. Leave it to HomeStars to make it easier for you! We connect you with available and eager AC repair pros ready to take on your project. To get started, just follow these simple steps:

  1. Start by posting your project. Provide a clear description of your air conditioning repair needs and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history, and read customer feedback for AC repairs in Thornhill, Ontario.
  3. Connect with AC repair pros in Thornhill, Ontario to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience.

HomeStars tip: Once your project is done, make sure to leave a review. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

Pros on HomeStars undergo checks at registration – such as ID documents, company details, and certifications for regulated jobs and skill assessments – allowing you to hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

FAQ: Common questions about air conditioning repair services in Thornhill, Ontario

Are air conditioning repair pros in Thornhill, Ontario insured and licensed?

In Thornhill, Ontario, AC repair pros should hold a valid HVAC licence and carry both liability insurance and workers' compensation coverage. This is especially important for any work involving refrigerants, which are regulated under federal law. Before committing to a pro, ask for proof of both, and don't skip this step just because the repair seems minor.

Do air conditioning repair pros in Thornhill, Ontario need a permit?

For most repair work in Thornhill, Ontario, a permit isn't required. However, if the repair involves replacing a major component like a compressor, or any work that touches refrigerant lines or electrical systems, some municipalities may require one. Your pro should know the local rules and flag this upfront if it applies to your job.

How do I know if my air conditioner needs a repair or full replacement?

A good rule of thumb is to weigh the cost of the repair against the age of your unit. If your system is more than 10 to 15 years old and the repair costs more than half the price of a new unit, replacement is often the better investment.

Recurring breakdowns, rising energy bills, and uneven cooling are all signs that your system may be nearing the end of its life. If you're unsure, post your job on HomeStars to get quotes from air conditioning pros in Thornhill, Ontario who can assess your system and help you make the call. You can also check out our guide to central air conditioner costs if you ultimately need a full replacement.

Can an air conditioning repair pro in Thornhill, Ontario also handle my heating needs?

In most cases, yes. Air conditioning repair pros in Thornhill, Ontario are often HVAC contractors who are just as comfortable working on your heating system as your cooling one. If you need someone to handle both, [HVAC contractors in Thornhill, Ontario](https://www.homestars.com/heating/hvac-contractor-pros/Thornhill, Ontario) on HomeStars are a good place to start, as many pros offer full heating and cooling services under one roof.

You can also take a look at our guide to heating and cooling costs to get a sense of what a combined project might run you.

Do air conditioning repair pros in Thornhill, Ontario handle cleanup after the job?

For most repair calls in Thornhill, Ontario, there isn't much to clean up, but a good pro should leave your space the way they found it. If a major component is being replaced, confirm upfront whether old parts and packaging are included in the removal or if there's an additional disposal fee.

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