• Nest Protect Smoke & CO Detector

    Nest Carbon Monoxide Alarm Detector (Wired 120VAC)

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    • Protects your loved ones and your living spaces
    • Have alerts sent to your phone
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    • Get a Heads Up with Nest Protect
    • Illuminate your path at night
  • Nest Protect Smoke & CO Detector

    Nest Protect: Smoke + Carbon Monoxide Alarm (Battery)

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    • Have alerts sent to your phone
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    • Synchronize your sensors
    • Clear direction in an emergency
    • Illuminate your path at night
  • Buy Honeywell Focuspro 8000 Thermostat Toronto

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    • Large, clear display with backlighting shows the current and set temperatures and time – even in the dark
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  • Honeywell FocusPro6000 Thermostat Toronto

    Honeywell FocusPRO 5000 Universal Programmable Thermostat

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    • Soft-Key Controls — are easy to use.
    • Display Size Options — available in large screen or standard.
  • Buy Honeywell Focuspro6000 Thermostat

    Honeywell FocusPRO 6000 Universal Programmable Thermostat

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    • Up to 33% energy savings
    • Large, Clear Backlit DIgital Display
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  • Emerson 1F85-0422 Thermostat Toronto

    Emerson Blue 4″ Screen Digital Thermostat 1F85-0422

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  • Goodman Touchscreen Colour Thermostat

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  • Goodman CTK01 Thermostat

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  • Buy Nest Thermostat Toronto

    Nest Smart Learning Thermostat 2nd Generation

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Easy Rentals...

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


Customer Rating of 5.0
based on 29 Google reviews

  • 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.


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


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


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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