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Oshawa Furnace, Air Conditioner, Water Heater Services

Are you seeking any heating or cooling services (Furnace, Air Conditioner, Tankless or Water Heater) for your household in Oshawa, Ontario?

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Rental/ financing water heater, tankless, furnace or air conditioner easy Enbridge Gas billing service available for your convenience, no additional bills. If you’re looking for knowledgeable and professional technicians to service your HVAC heating and cooling needs then you’ve came to the right place. DeMark Home Ontario will provide you with the top quality high efficiency furnace, air conditioner, tankless or hot water heater installation/ upgrade and repair services to homeowners in the Oshawa, Ontario area.

Request Quote To ensure that you receive the best quality services on HVAC equipment in Oshawa, Ontario turn to DeMark Home Ontario your heating and cooling expert. Our Oshawa furnace or air conditioner services include:

  • High efficiency Air conditioner (AC) and Furnace installation and upgrade in Oshawa
  • High efficiency Air conditioner (AC) and furnace rent in Oshawa
  • High efficiency Air conditioner (AC) and furnace financing in Oshawa
  • High efficiency Air conditioner (AC) and furnace Purchase/ Sale in Oshawa
  • High efficiency Air conditioner (AC) and furnace repairs and maintenance in Oshawa
  • High efficiency and mid efficiency Air conditioner (AC) and furnace inspection in Oshawa
  • Best high efficiency furnace and air conditioner (AC) rental rates in Oshawa
  • Cheap and affordable high efficiency furnace and air conditioner (AC) prices in Oshawa
  • Chimney liner installation in Oshawa
  • Red tag clearance on your hot water heater, furnace in Oshawa
  • Rental water heater and tankless upgrade in Oshawa
  • Enbridge billing service available for water heaters, furnaces, air conditioners rent and finance in Oshawa
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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

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, hot water heaters, tankless units includes: Toronto, GTA, Vaughan, Mississauga, Brampton, Markham, Scarborough, Milton, Burlington, Niagara Falls, Oshawa, Pickering, Ajax, Aurora, Newmarket, Barrie, Ottawa and more. For a full servicing area please click here.

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Customer Rating of 5.0
based on 41 Google reviews

(647) 847-2998
1 (855) 998-2998
1183 Finch Ave West - Suite 610
Toronto, ON, M3J 2G2, Canada
Agreements
We Service: Toronto Brampton Mississauga Vaughan Aurora Newmarket Pickering Scarborough Whitby Oakville Niagara Falls Oshawa Barrie
  • 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!

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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.

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

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

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

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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

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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.

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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

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

Some conditions apply

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

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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.

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  • 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.
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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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