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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

    I’m an appliance repair technician who works on all major household appliances, including refrigerators, washers, dryers, dishwashers, ovens, and ranges. I take the time to properly diagnose the problem before replacing any parts. I’ll explain what’s wrong, what needs to be done, and give you an honest assessment of the repair. I’m comfortable working with both electrical and mechanical issues and have experience with many different appliance brands and models. My goal is to get your appliance working properly again without wasting your time or money.

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  • Air Conditioning Installer in Thornhill, Ontario

    Hi, my name is Dharam, and I’m a licensed electrician and general contractor with over years of hands-on experience in residential, commercial, and renovation projects. I specialize in safe, efficient electrical work as well as full-service general contracting — from planning and permits to project completion. Whether it’s wiring a new home, upgrading a panel, or managing full-scale renovations, I take pride in delivering quality craftsmanship, on-time service, and clear communication

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  • Air Conditioning Installer in Thornhill, Ontario

    We deliver best work and complete the job for full satisfaction.

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  • Air Conditioning Installer in Thornhill, Ontario

    For the Company description box, you could use: > We provide reliable, professional cleaning services with a strong focus on quality, attention to detail, and customer satisfaction. We treat every home with care and respect, using appropriate cleaning products and techniques to deliver a clean, fresh, and comfortable space. We are dependable, punctual, and committed to making sure every customer is happy with the results.

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  • Air Conditioning Installer in Thornhill, Ontario

    PureAire is a customer-focused company dedicated to delivering high-quality services across multiple industries. With a strong commitment to customer satisfaction, we offer a wide range of solutions including HVAC services, concrete cleaning, painting contracts, and landscaping. Whether it's ensuring optimal comfort with HVAC systems, maintaining the appearance of concrete surfaces, enhancing properties with professional painting, or transforming outdoor spaces with expert landscaping, PureAire is your go-to partner for all these needs. Our flexibility and attention to detail across these services set us apart, as we aim to exceed expectations and create lasting relationships with our clients.

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  • Air Conditioning Installer in Thornhill, Ontario

    Need a HVAC contractor, Fireplace and BBQ Specialist in Aurora or nearby? Air & Gas 4 U 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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  • Air Conditioning Installer in Thornhill, Ontario

    Experienced HVAC professional specializing in residential service and installations. Skilled in furnace and AC diagnostics, electrical troubleshooting, refrigeration handling, and system performance optimization. Operates a fully equipped service van and manages tools, equipment, and business operations independently. Strong understanding of: • Furnace and air conditioning systems • Electrical diagnostics and control wiring • Refrigeration tools and procedures • Job site efficiency and safety Focused on delivering reliable service, practical solutions, and professional workmanship.

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  • Air Conditioning Installer in Thornhill, Ontario

    At Top Comfort, we are dedicated to keeping your home comfortable all year round. As a licensed and insured residential HVAC company, we specialize in the installation, repair, and maintenance of furnaces, air conditioners, heat pumps, water heaters, gaslines and ductless systems.

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  • Air Conditioning Installer in Thornhill, Ontario

    We do all type of renovations we provide best quality

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  • Air Conditioning Installer in Thornhill, Ontario

    ThermoPeak Heating and Cooling is the Greater Toronto Area’s (GTA) premier choice for high-efficiency climate control and precision gas piping. Unlike sales-driven franchises that rely on subcontractors, we operate on a strict Owner-Operator model. Led by licensed G2 Gas Technician, you deal directly with the expert. This ensures transparent pricing, accountability, and elite craftsmanship with zero middleman markups. ​As a TSSA registered contractor (FS-R-53856), safety is our absolute baseline. Every project strictly follows the Ontario CSA B149.1 gas code. We use first-principles troubleshooting to find the true root cause of mechanical failures, repairing what can be saved and replacing only what is necessary to save you money. ​Our Core Services: ​Furnaces: High-efficiency installation, emergency repair, and proper BTU sizing. ​AC & Heat Pumps: Central cooling and dual-fuel hybrid systems. ​Water Heaters: Tankless, hydronic, and conventional retrofits. ​Gas Piping: Custom CSST & black iron drops for stoves, BBQs, and heaters. ​Ductwork: Custom sheet metal fabrication for optimal airflow. ​We provide guaranteed 24/7 Same-Day Emergency Service across the GTA.

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  • Air Conditioning Installer in Thornhill, Ontario

    Hello, my name is Cody. I’m here to take care of any heating, ventilation, air conditioning, and refrigeration (HVAC/R) needs you may have. I have been in the commercial and residential heating and cooling industry for over 8 years working for some of the largest companies in the Durham and GTA region. I am venturing out on my own to offer competitive rates and honest work. I will not do band aid fixes or cut corners to put more money in my pocket. Your comfort and safety is my priority. I am always looking to advance my reputation. Giving quality advice for your equipment. Service, maintenance, installation, and new construction. Have a great day!

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  • Air Conditioning Installer in Thornhill, Ontario

    Father and son team providing electrical and lighting solutions

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  • Air Conditioning Installer in Thornhill, Ontario

    At Hydrotech Development, we specialize in delivering reliable, high-quality HVAC solutions for residential and commercial clients. With years of hands-on experience in heating, ventilation, and air conditioning systems, we are committed to providing efficient, cost-effective services tailored to your needs. We offer a full range of HVAC services, including installation, maintenance, and repair of furnaces, boilers, water heaters, heat pumps, air conditioners, fireplaces, and ventilation equipment. Whether it’s a new system installation or renovation of an existing, we ensure every job is completed with precision and attention to detail. Customer satisfaction is at the core of our business. We take pride in honest communication, transparent pricing, and dependable service you can trust. We are proud to offer very budget-friendly pricing without compromising on quality, making professional HVAC services accessible and affordable to more homeowners and businesses. At Hydrotech Development, we stand behind our work and strive to build long-term relationships through professionalism, quality workmanship, and exceptional service.

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  • Air Conditioning Installer in Thornhill, Ontario

    Air Conditioning Installation Reliable Eco Home provides professional air conditioning installation services designed to keep your home comfortable and energy-efficient throughout the year. Our experienced technicians assess your home’s cooling needs and recommend the right system for optimal performance, comfort, and energy savings. Air Conditioning Repair & Maintenance We offer prompt repair and preventative maintenance services to ensure your AC system operates efficiently and reliably. Regular maintenance helps extend equipment life, improve performance, and reduce energy costs. Heating System Services From furnace installation to repairs and seasonal tune-ups, we help homeowners maintain a comfortable indoor environment during colder months with dependable heating solutions. Indoor Air Quality Solutions Improve the air you breathe with our indoor air quality services, including air purifiers, filtration systems, humidifiers, and ventilation solutions that promote a healthier home environment. Energy-Efficient Home Upgrades Our team specializes in eco-friendly upgrades that help reduce energy consumption, lower utility bills, and enhance overall home comfort while

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  • Air Conditioning Installer in Thornhill, Ontario

    At Maple Leaf Home Solutions, we may be a newer company—just 1 year in business—but our team brings over 15 years of hands-on experience in the HVAC industry. We’ve worked on a wide range of residential and commercial projects, from simple home furnace repairs to full heating and cooling system installations in large buildings. We proudly serve Mississauga and surrounding areas, offering reliable and efficient HVAC solutions tailored to your needs. Our expertise includes heating and cooling system installation, maintenance, repairs, ductwork, and energy-efficient upgrades. What sets us apart is our commitment to quality, honesty, and customer satisfaction. We treat every home like it’s our own, and we never cut corners. With deep knowledge of HVAC systems, industry certifications, and a true passion for the trade, we make sure the job is done right the first time. Choose us for your next HVAC project and experience friendly service, expert advice, and dependable results. We’re not just here to fix a problem—we’re here to build trust and keep your home comfortable year-round.

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  • Air Conditioning Installer in Thornhill, Ontario

    Setamin Construction provides reliable home repairs, electrical work, and HVAC services across Toronto and the GTA. Founded by Ali Aein, our team has over 15 years of experience in Iran and more than 6 years in Canada. All projects are completed by skilled professionals who focus on quality, attention to detail, and timely service. From small repairs to full renovations, Setamin Construction ensures your home is in capable and trusted hands.

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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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