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Find air conditioning installation pros in Thornhill, Ontario

If you’ve been struggling to cool off in the summer, HomeStars can help. Thanks to our convenient all-in-one platform, you can find AC installation pros in your area of Thornhill, Ontario, read real reviews, compare quotes, and book the right person for the job all, in one place. Skip the stress of cold-calling and endless searching and easily connect with available contractors for air conditioning installation in Thornhill, Ontario!

An air con installer wearing overalls, hard hat, safety glasses and gloves performs work on a ceiling AC unit using a powerdrill.

Some of our top rated air conditioning installers in Thornhill, Ontario

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  • Air Conditioning Installer in Thornhill, Ontario

    Dependable HVAC Technician, bringing top-notch customer relations, planning and mechanical repair skills, Competent in independently organizing installation and repair plans. Expert in diagnosing, servicing

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  • Air Conditioning Installer in Thornhill, Ontario

    We are a professional plumbing company providing reliable residential and commercial plumbing services. Our team handles everything from routine plumbing repairs and maintenance to drain cleaning, leak detection, fixture installation, water heater services, and emergency plumbing needs. We focus on quality workmanship, clear communication, and dependable service. Every job is approached with attention to detail, proper tools, and practical solutions designed to solve the problem correctly—not just temporarily. Whether you need a quick repair, ongoing maintenance, or help with a larger plumbing project, our goal is to make the process simple and stress-free. We take pride in arriving on time, keeping customers informed, maintaining a clean work area, and completing each job to a high professional standard. Contact us today to discuss your plumbing needs and get reliable service from a team you can count on.

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  • Air Conditioning Installer in Thornhill, Ontario

    15503175 Canada Inc. can help you with your 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 request in East York and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with 15503175 Canada Inc. now to discuss your needs and arrange a quote.

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  • Air Conditioning Installer in Thornhill, Ontario
    • Best of Awards 2024

    R&C Handyman Services Has been servicing Peel & The surrounding areas for over 25+ years in your needs for beautiful home improvements. you can also find me online as well under the same name if I don't get back to you through this platform we specialize in: Hardwood and Vinyl Flooring Drywall repair, full installation of board, Mudding and sanding Painting Backsplash installation Bathroom Renovations (no washroom to small for us) Tiles Appliance installations Plumbing And so much more!

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  • Air Conditioning Installer in Thornhill, Ontario

    At Climate Source we strive to provide customers with professional, personable and reliable service. We are a family owned and operated business providing our clients with the best quality service. Skilled service technicians provide a wide range of services from at home installations and repairs, to commercial installations and service. Our high efficiency products aim to reduce energy consumption, a benefit for both the client and the environment. Climate Source is a fully licensed TSSA contractor and upholds the highest standards in product safety and function.

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  • Air Conditioning Installer in Thornhill, Ontario

    VixFix is a Woodbridge 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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  • Air Conditioning Installer in Thornhill, Ontario

    PK Heating & Cooling Inc. is a trusted HVAC company serving Toronto and the Greater Toronto Area since 2010. We specialize in the installation, maintenance, and repair of furnaces, air conditioners, boilers, water heaters, tankless systems, and custom ductwork for both residential and commercial clients. Fully licensed and TSSA certified, we are committed to delivering high-quality workmanship and exceptional customer service. Our services come with a 10-year parts and 1-year labor warranty, ensuring peace of mind for our clients. Whether it's a new installation or routine maintenance, we're here to keep your indoor environment comfortable year-round.

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  • Air Conditioning Installer in Thornhill, Ontario
    • Best of the Best 2023
    • Best of Awards 2026

    HVAC experts provide sales and service for all types of Furnaces/Air Conditioners/Heat Pump /Water Heaters/Insulation /Water treatment services/ energy rebates, and more

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  • Air Conditioning Installer in Thornhill, Ontario

    At Division Air Heating & Cooling, our mission is to install and maintain safe, comfortable and reliable heating, ventilation and air conditioning systems for our customers. We aspire to carry an excellent reputation for our clientele in the residential market across the Greater Toronto Area. We strive to achieve and perfect this by having our team of licensed technicians constantly updating their skills through frequent manufacturer training seminars in order to provide our customers with the best service and the newest technology. We offer our services at a reasonable cost which will satisfy customer needs, while never sacrificing excellence in workmanship and customer satisfaction.

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  • Air Conditioning Installer in Thornhill, Ontario
    • 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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  • Air Conditioning Installer in Thornhill, Ontario

    Providing top-quality HVAC installation services with Great Professional Technicians (GPT). We specialize in furnaces, boilers, heat pumps, ductless air-conditioners, tankless water heaters, and water tanks, ensuring comfort and efficiency. Trust us for reliable solutions and expert craftsmanship in every job we do!

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  • Air Conditioning Installer in Thornhill, Ontario

    Wintrup Property Management and Construction provides professional groundworks, excavation, drainage and waterproofing services for residential and commercial properties throughout the GTA. With extensive experience in construction and real estate development, we understand how water, grading, drainage and foundation issues can affect a property—and how to fix them properly. Our services include foundation excavation, exterior waterproofing, foundation membrane installation, weeping tile replacement and repair, drainage improvements, grading, trenching, sump and water-management solutions, concrete removal and site preparation. We can also coordinate excavation equipment, material removal, backfilling and restoration. We focus on identifying the source of the problem rather than simply covering up the symptoms. Whether you have a leaking basement, wet foundation wall, poor drainage, damaged weeping tile or need excavation for a construction project, our goal is a practical, durable solution. Clear communication, professional workmanship and respect for your property come standard.

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  • Air Conditioning Installer in Thornhill, Ontario

    Welcome to our ideal, mechanical With over five years of experience serving the GTA and surrounding areas, we specialize in the installation, maintenance, and repair of furnaces, air conditioners, heat pumps, hot water tanks, HRV/ERV systems, tankless water heaters, combi boilers, ductwork, and commercial and residential gas lines. We are fully licensed, insured with $5 million liability insurance, and WSIB covered. Our team is also certified for working at heights and lift operation, ensuring safety and quality in every job.”

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  • Air Conditioning Installer in Thornhill, Ontario

    Welcome to BricksByBaz 🧱 We specialize in brick painting, restoration, waterproofing, and masonry repair across the GTA. Our focus is simple—clean finishes, proper preparation, and results that last. Every project includes pressure washing, crack repair, and detailed prep before any coating is applied. No shortcuts. Just quality work backed by a warranty.

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  • Air Conditioning Installer in Thornhill, Ontario

    I have been working in trades for over 5 years as a general contractor doing big or small projects.

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  • Air Conditioning Installer in Thornhill, Ontario

    Perfect Group Construction TO is a licensed and insured general contracting company dedicated to providing high-quality, reliable, and professional services to both residential and commercial clients. We specialize in a range of essential construction and renovation services, including: Painting (Interior & Exterior) Drywall Installation and Repair Plumbing Services Tile Installation and Repair Our commitment is to delivering exceptional workmanship, clear communication, and ensuring complete client satisfaction. We strive to build lasting relationships with our clients by prioritizing integrity and attention to detail in every project.

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4.8

Top rated Air Conditioning Installers

Our Air Conditioning Installers in Thornhill, Ontario, are rated 4.8 out of 5 based on 104 reviews from homeowners like you.

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

Whether you're installing a brand new system or replacing an aging unit, there are a number of services available for AC installation in Thornhill, Ontario to keep your home cool and comfortable.

Here are some of the most common services carried out by pros who offer air conditioning installation in Thornhill, Ontario:

  • Central air conditioning installation: Setting up ducted systems that cool your entire home
  • Ductless mini-split installation: Installing wall-mounted units for homes without existing ductwork
  • Air conditioner replacement: Swapping out older or inefficient units for newer, more energy-efficient models

No matter your AC installation 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 installation in Thornhill, Ontario?

The cost of air conditioning installation in Thornhill, Ontario varies depending on the type of system, the size of your home, and whether any ductwork or electrical upgrades are needed. Most homeowners can expect to pay somewhere between $3,500 and $8,500 for a standard central AC installation, though more complex jobs can cost more.

Typical costs for common AC installation services in Thornhill, Ontario include:

  • Central air conditioning installation costs: $3,500 to $8,500 depending on home size and complexity
  • Ductless mini-split installation: $2,000 to $5,000 per zone
  • Air conditioner replacement: $3,000 to $7,000; if only the AC compressor needs replacing, AC compressor costs average around $1,200 and depend on unit size and refrigerant type

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 installation in Thornhill, Ontario with HomeStars

Between finding suitable pros and sorting out availability, finding local AC installation pros can be time-consuming and stressful. That’s where HomeStars steps in: we connect you with available pros easily by streamlining the search in one convenient platform.

To connect with available pros in your area, just follow these simple steps:

  1. Start by posting your project. Provide a clear description of your air conditioning installation 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 installation in Thornhill, Ontario.
  3. Connect with AC installation 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 installation services in Thornhill, Ontario

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

In most cases, any form of HVAC work requires a licensed technician, particularly for tasks involving refrigerants, which are regulated under federal law.

Any AC installation pro you hire in Thornhill, Ontario should carry both liability insurance and workers' compensation coverage to protect you in the event of accidental damage or injury on the job. When getting quotes, don't hesitate to ask for proof of both before work begins.

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

In most cases, yes. Air conditioning installation in Thornhill, Ontario typically requires a permit, particularly for new installations or major system replacements. However, for window units and other single-room setups, permits aren’t needed.

Your contractor should be familiar with local requirements and in many cases will pull the permit on your behalf. If a pro suggests skipping the permit, that's a red flag as unpermitted work can cause issues with your home insurance and resale value down the line.

Does a new air conditioner installed in Thornhill, Ontario come with a warranty?

Most new AC units come with a manufacturer's warranty covering parts, typically ranging from 5 to 10 years depending on the brand and model. Labour warranties are separate and vary by contractor, so it's worth confirming what's covered and for how long before signing anything.

Registering your unit promptly after installation is usually required to activate the full warranty. To find AC installation pros in Thornhill, Ontario who stand behind their work, browse ratings and reviews on HomeStars before making your decision.

How long does air conditioning installation take in Thornhill, Ontario?

For a straightforward central AC replacement in Thornhill, Ontario, most installations can be completed in a single day. New installations that require ductwork or electrical upgrades will take longer, sometimes two to three days or more depending on the scope of work.

Your contractor should be able to give you a clear timeline as part of their quote.

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

In many cases, yes. Many air conditioning pros in Thornhill, Ontario are HVAC contractors who work on both cooling and heating systems. If you're looking for someone to handle both, searching for HVAC contractors near you on HomeStars is a good place to start, as many pros offer full heating and cooling services under one roof.

You can also check out our guide to heating and cooling costs to get an idea of what a full HVAC project might cost you.

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

Most pros will remove and dispose of your old unit and tidy up the work area once the job is done, but it's worth confirming this upfront. If you're having a full system installed for the first time in Thornhill, Ontario, ask specifically about disposal fees as some contractors charge extra for hauling away old equipment or packaging materials.

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