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DeMark Home Ontario HVAC Before & After Gallery (VIDEO)

Please view our DeMark Home Ontario HVAC Before & After to see our work.

DeMark Home Ontario Inc has completed thousands of installations including furnaces, air conditioners, hot water tanks, tankless units and more. However, the below gallery only includes our most recent work but it is updated on constant basis. If you would like us to post the installation of your equipment done by DeMark Home Ontario into our gallery please feel free to contact us and one of our friendly staff will guide you through the process.

Furnace Before & After
We carry a large variety of furnace types and can install them in many configurations. Take a look at our furnace gallery for some examples of our craftsmanship.

Air Conditioner Before & After
Keeping your home cool in the summer is one of our specialties here at DeMark Home Ontario. Take a look at some of our masterful Air Conditioner installations.

Water Heater Before & After
Not only will we remove your existing water heater, but in many cases – we’ll even upgrade your venting pipes for free in order to comply with TSSA standards!

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

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

Customer Rating of 5.0
based on Google reviews

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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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