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Your HVAC Contractor in Alliston


Services and Installations: 

8:00 AM - 5:00 PM

Saturday: 9:00 AM - 3:00 PM


Showroom Alliston:

Monday - Tuesday/Thursday - Friday: 10:00 AM - 6:00 PM

Wednesday: 10:00 AM - 5:00 PM

Saturday: 9:00 AM - 3:00 PM

Don's Heating & Cooling

Alliston is one of Canada’s fastest-growing communities, and its residents need a local HVAC company they can trust to handle their home comfort needs. Don’s Heating & Cooling opened a showroom in Alliston in 2014 and has been exceeding expectations for commercial and residential customers in the area ever since. We carry high-quality furnaceswater heatersair conditioners, and more.Saturday: 9:00 AM - 3:00 PM

Our showroom is open six days a week, so you can browse our quality heating and cooling products and speak to one of our HVAC experts. You can also contact us at 705-435-5005 or request service online.

Get in Touch

Do you have any questions or want to ask for a quote? Fill out the eform below and we will help you out.

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Why Choose Don’s Heating & Cooling in Alliston


Here’s what sets Don’s Heating & Cooling in Alliston apart from the competition:


Award-winning service - For three years in a row, Don’s Heating & Cooling has received the prestigious Carrier President’s Award, recognizing customer satisfaction, HVAC expertise, and operational excellence.


 Guaranteed work - Our service comes with a Lifetime Workmanship Guarantee. To ensure the best quality, we never use subcontractors. Our technicians are licensed and apprenticed in their trades.



 Certified personnel - Our technicians are certified by the Technical Standards and Safety Authority (TSSA), guaranteeing the safe and efficient operation of your boiler.

 24-hour service - Emergency services are available in Alliston by calling our office at 705-435-5005 or toll-free at 1-800-461-4401.

Community support - We’re locally owned and operated and proud to be an active part of the Alliston community. We support organizations such as My Sister’s Place and Stevenson Memorial Hospital.

The Communities We Serve


While Don’s Heating & Cooling showroom is in Alliston, we’re also proud to serve residential and commercial customers throughout New Tecumseth and nearby communities:

New Tecumseth Township
Many other communities in southern Simcoe County

Our Alliston location is at 124 Young Street, Unit 1, between the Canadian Tire and Giant Tiger. We’re open on Monday, Tuesday, Thursday and Friday from 10 a.m. to 6 p.m., Wednesday from 10 a.m. to 5 p.m. and Saturday from 9 a.m. to 3 p.m. 


We also offer prompt, 24/7 emergency service to customers in these areas through our Alliston office at 705-435-5005.

Heating and Cooling Services

Don’s Heating & Cooling offers sales, installation, repair and service for all your home comfort needs. Here are the products and services we provide:

  • Furnaces - We’re a factory-authorized dealer of Carrier high-efficiency furnaces, the market leader. We also provide maintenance and repairs to meet warranty requirements.

  • Heat pumps - Heat pump systems provide versatile heating, cooling, and humidity control. They move heat outside your home in summer and keep heat in your home in winter.

  • Ductless systems - Ductless mini splits, including ductless air conditioners and heat pumps, can fit in any space, even where traditional HVAC units don’t.

  • Water heaters and boilers - Consider a tankless water heater that only heats water upon demand, giving you endless hot water. We’ll also install standard tanks and boilers.

  • Central vacuums - A central vacuum system carries dust and allergens away from your living areas to the canister of your unit. You’ll never have to replace a filter.

Never worry about booking your next maintenance appointment by signing up for our pre-paid and pre-scheduled service maintenance plans.

Contact Your Local HVAC Company in Alliston

Don’s Heating & Cooling is your award-winning HVAC contractor for Alliston residents and businesses. Visit our Young Street showroom in Alliston and browse the products we carry. Contact us online to schedule an appointment. 

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