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HVAC Services – Ontario Locations

Are you looking for any HVAC services for your household in Ontario?

Then you’ve come to the right place! We offer the best rates in Ontario for brand new heat pumps, furnaces, air conditioners, and water heaters. Our team of licensed and trained HVAC professionals would be happy to help you find the perfect heating and cooling system for your home. Home comfort is our top priority.

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We offer a range of HVAC services to keep you and your family warm during the most frigid winter days and cool in the summer heat.


The worry-free HVAC solution you’ve been searching for!

Take advantage of Canadian government rebates and save money on a new heat pump! Qualify for rebates and save with our heat pump purchase, rent-to-own, and easy financing options.

From helping you find the perfect heating and cooling system, to system installation, and 24/7 repairs at your service, DeMark Home Ontario is here to be the solution to all your HVAC problems.

We offer a range of payment options including rent-to-own, purchasing, and flexible financing options for trusted brands in:

  • High-Efficiency Furnaces
  • Heat Pumps
  • High-Efficiency Air Conditioners
  • Water Heaters
  • Tankless Water Heaters

DeMark Home Ontario proudly serves the following areas.

We offer 24/7 HVAC services in – Toronto, GTA, Etobicoke, Mississauga, Brampton, Milton, Burlington, Oakville, Markham, Vaughan, Scarborough, Oshawa, Ajax, Pickering, Whitby, Bowmanville, Aurora, Newmarket, Innisfil, Barrie and Ottawa, Niagara Falls, Welland, St. Catharines.

We are constantly expanding our service area to provide even more Canadians with exceptional HVAC services. If you live outside of our service area, don’t hesitate to contact us to find out if we can service you.


Our friendly and highly experienced staff will always be available to answers any questions you may have about your furnace, air conditioner (AC), water heater, tankless unit.

For a free consultation, estimate or to book your maintenance call please contact us:

By phone: 647-847-2998 or Toll Free 1-855-998-2998

We are 100% certified and insured.

HVAC Services – Ontario Locations

We’re licensed by the Technical standards & safety authority (TSSA), the Electrical Safety Authority (ESA) as well as SaveOnEnergy, the Ontario Energy Board (OEB) and the Independent Electricity System Operator (IESO).

We’re proud members of Natural Resources Canada / Government of Canada and the Heating, Refrigeration and Air conditioning Institute of Canada (HRAI).

We are an Enbridge participating company and all of our technicians are fully bonded and insured with full adherance to WSIB guidelines.

Easy Rentals...

get total piece of mind with our High Efficiency Furnace and Air Conditioner Rental Program.

Service Area

DeMark Home Ontario servicing area for HVAC-furnaces, air conditioners, heat pumps, hot water heaters, tankless units includes: Toronto, GTA, Vaughan, Mississauga, Brampton, Markham, Scarborough, Milton, Burlington, Niagara Falls, Oshawa, Pickering, Ajax, Aurora, Newmarket, Barrie and more. For a full servicing area please click here.


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  • Get A Quote Today! Free in-home estimate!
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Upgrading to a high-efficiency heating and cooling system offers more than energy savings.

Take advantage of these rebates today!


This item comes with absolutely free standard installation. We’ll ensure that the product is completely installed to code and fully functioning prior to leaving.


Great news! Receive a brand new digital thermostat absolutely free when renting this HVAC product from DeMark Home Ontario.


Great news! When renting a furnace or air conditioner, you’ll get your first 2 months absolutely rent free.


Great news! When renting a furnace and air conditioner together, you’ll get your first 3 months absolutely rent free.


This product carries a manufacturer warranty and we’re happy to explain it in full to you. Feel free to get in touch with us for more information or see the Warranty Information tab for more information


If your order is placed and confirmed by 11am, we can have your HVAC product installed within the same day.

Certain conditions apply, not available on all products.


This water heater is subject to reduced rental rates based on the DHO discount program. Save money on your bill every single month!

Some conditions apply


Save money on this item when buying it along with a qualifying high-efficiency furnace or air conditioner.

Some conditions apply


Great news! When renting a qualifying water heater, you’ll get your first 2 months absolutely rent free.


Promotional code can be found on the eFlyer, Brochure or promotional email that you received from us.

*If you are an existing customer please refer to the mail or email that was sent to you after the installation of your equipment as it contains your promotional code. If you are having troubles locating it please call us and one of our Customer Service Representatives will be happy to assist you.

  • Please fill out the form below in order to schedule service and be sure that your request will be processed promptly and you will hear back from us shortly.

Notice for Power Vent Water Heater Customers

Effective August 2007, gas code requires technicians working on venting to replace black ABS vent pipe with white UL-certified vent pipe.

We will upgrade your venting pipes at no additional cost.

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