Furnace Repair in Markham

Well established and reputable HVAC company located in the same east Toronto neighbourhood for over 25 years. We boast a large and spacious showroom with lots of products on display. Our friendly knowledgeable staff is always ready to assist. Our reputation speaks for itself with most of our business arising from referrals or repeat customers. Unlike the big guys- we treat each customer according to their unique needs and preferences. We never forget a face or a friendly smile and we’re sure you won’t forget ours!

Also serves: Toronto, Ajax, Markham, Scarborough

At Canadian Heating & Air Conditioning we guarantee our furnace and air conditioning repair and installation. We specialize in the sale, installation and service of high quality air conditioning systems and furnaces and we stand behind everything we sell and all the work our team does in your home. Our quality products come from industry trusted brands – if it’s not good enough for us, it’s not good enough for you. From expert heating and cooling installations to reliable repairs and maintenance, Canadian Heating and Air delivers top-quality HVAC solutions tailored to your comfort needs.

Also serves: Toronto, Hamilton, Markham, Brantford

Our profession is to care about your need of heating in winter and cooling in summer, we deliver our best, so can get most from the High Efficiency Furnace and Central Air Conditioner. Our numerous happy homeowners is key to our success in the field of heating & cooling services. Clean Air offers its service in Toronto, Mississauga and all over GTA Areas. Our HVAC (Heating Ventilation and Air Conditioning) brands are Lennox and Amana. High Efficiency Furnaces High Efficiency Boilers Tankless Water Heater Central Air Conditioners Heat Pumps Duct Less Air Conditioners Wi-Fi Programmable Thermostat Gas Furnace Filters IAQ (Indoor Air Quality) extensive products range

Also serves: Markham

Beat the summer rush and lock in your spot for a new Lennox central air conditioner. Pricing starts from $2,499, with financing available. Eligible oil furnace homes may qualify for up to $10,000 toward a heat pump upgrade with heating and cooling in one efficient system. Apply before July 31, 2026.

Also serves: Ottawa, Brampton, Markham, Kitchener

Looking for a local and reliable pro? Check out Destination Pools & Landscaping ltd. Read their reviews and get in touch.

Also serves: Toronto, Scarborough, Bowmanville, Mississauga

Your local furnace repair experts in Markham, Ontario. Skilled tradespeople, quality materials, and attention to detail on every job. Fully licensed and insured. Free estimates available.

Also serves: Markham

Professional furnace repair services serving Markham and surrounding Ontario communities. Experienced, licensed, and insured. Quality workmanship guaranteed on every project. Contact us for a free estimate.

Also serves: Markham

Reliable furnace repair company serving Markham and the greater Ontario area. Experienced team, fair prices, and outstanding customer service. We stand behind every project we complete.

Also serves: Markham

Nestled in Markham, Ontario, and extending our expertise across the Greater Toronto Area, we specialize in both commercial and industrial HVAC services. Our proud portfolio includes renowned names like McDonald’s, Yorkdale Shopping Centre, and Sunrise Records, along with numerous apartment and condominium complexes. Experience the blend of reliability and excellence with Green Ace Mechanical, where your comfort is our top priority. At Green Ace Mechanical, we prioritize your air quality and safety. Our Commercial Air Quality & Gas Detection services are designed to identify and address air contaminants and hazardous gases in commercial environments. Utilizing state-of-the-art technology, we monitor and improve indoor air quality, ensuring a healthy, safe, and compliant workplace.

Also serves: Markham

We are a local service contractor offering a full range of cooling and heating services, including repair, installation, inspection, maintenance and more. We are dedicated to providing premier heating and cooling products and top-notch services. Being partnered with leading HVAC manufacturers, such as Carrier, and being a repeat Carrier President Award Winner, we can help you find the right HVAC system. FREE Rooftop Unit Tune-Up FREE Ecobee Enhanced Thermostat Installation Calling All York Region Businesses! Call 905-307-2988 today to claim your FREE spot! Join the CoolSaver Pilot Project Sept 2 – Oct 31, 2025 Limited spots — act fast!

Also serves: Markham

Trusted furnace repair contractor in Markham, Ontario. Residential and commercial clients welcome. Competitive pricing, reliable service, and your satisfaction guaranteed. Call today for a free quote.

Also serves: Markham

Serving Newmarket and the surrounding areas, S. R. Gillis & Sons Ltd. is a locally owned and operated heating and air conditioning business. We offer after-hour emergency service and free quotes on new equipment. At S. R. Gillis & Sons Ltd. Heating and Air Conditioning, we are proud of the reputation we’ve built in the community. From the office staff to our licensed technicians, we provide excellence in service and installations. If you are looking to replace your existing equipment, need service on any make and model or just want advice, please give us a call or stop by our office ; our friendly office staff would gladly answer any of your questions.

Also serves: Vaughan, Newmarket, Bradford, Markham

Trusted furnace repair contractor in Markham, Ontario. Residential and commercial clients welcome. Competitive pricing, reliable service, and your satisfaction guaranteed. Call today for a free quote.

Also serves: Markham

Unionville Heating and Air Conditioning has been voted a Readers’ Choice 2025 Diamond Winner in both Markham and Stouffville — the highest honour awarded by Metroland Media’s annual community vote. The Diamond award represents the top tier of recognition, decided entirely by local residents who nominated and voted for the businesses they trust most. Earning it in two communities at once reflects something we’re proud of: over 40 years of honest service and the loyalty of the neighbours we’ve been working alongside since 1985.

Also serves: Markham

Professional furnace repair services serving Markham and surrounding Ontario communities. Experienced, licensed, and insured. Quality workmanship guaranteed on every project. Contact us for a free estimate.

Also serves: Markham