Pickering Furnace Repair, Maintenance or Upgrade

DeMark Home Ontario Inc is a supplier of Home Services to customer across Ontario. Our main goal is to provide fast, reliable and professional home services to our customers. Whether you need furnace repair, maintenance or upgrade to high energy efficient equipment in Toronto we will be there to help you.

No Heat?

For fast and reliable service, fill out this form,
or contact us at (647) 847-2998

How can we help?

We upgrade and replacement mid efficiency gas furnaces to high efficiency furnaces and offer variety of brands and furnace efficiency levels in Toronto. One of our highly professional specialists will be happy to assist you in selecting the best heating system for your home.

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.

For non emergency service please fill out request form below and your inquiry will be addressed within 2 hours during business hours or the next morning if you send your request after hours.

  • 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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As much as 60% of your yearly electricity costs is going towards heating and cooling your home. It makes sense to look for ways to reduce your usage.

With the HEATING & COOLING INCENTIVE you can receive up to $650 by installing an ENERGY STAR® qualified central heating or cooling system.

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

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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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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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