HVAC Contractor

Best of Houzz 2018 Awarded to DeMark Home Ontario

DeMark Home Ontario is proud to be named on the “Best of Houzz 2018: Customer Satisfaction” list for the second time! Houzz is the leading online community for home remodeling and design with over 40 million unique monthly users. The “Best of Houzz 2018” Customer Satisfaction Award is given to companies who rank amongst the top in positive customer reviews and satisfaction of service. The “Best of Houzz 2018” award signifies our dedication to customer satisfaction and the great response Read More...

The Benefits of a New High Efficiency Furnace Upgrade

With the latest advancements in the HVAC industry, a brand new high efficiency furnace upgrade can drastically change your home for the better with the improvements in efficiency and operation. If you’re like many other homeowners it is very likely that you own a furnace that is over a decade old. Your current furnace might not be performing as well as it used to and may no longer be meeting your needs in terms of heating your home. Upgrading to Read More...

Air conditioner maintenance – Do it yourself

In the coming months your air conditioner will become a vital asset to your home, air conditioner maintenance is necessary to ensure that your AC unit is performing as well as it can. It has become a rule of thumb that air conditioner maintenance should be performed once a year at the minimum. It would be in any homeowner’s best interest to have this air conditioner maintenance to be done in the spring season before the summer heat arrives, so Read More...

HVAC Gas Licenses

In HVAC industry, there are different levels and classifications of gas licenses . There are beginner license, intermediate license and full license. Each license gives the holder different rights and responsibilities. A G3 gas license holder can install and work on a gas appliance (up to a certain BTU capacity) but they are not able to activate the appliance without the supervision of a G2 gas license holder. It is strongly advised always ask to see a technician’s gas licenses before Read More...

Saving Water In Your Home

The uses for water are endless, but our Earth’s supply of freshwater is not, which is why saving water in your home is ever so important in this day and age. Although the Earth is comprised of 71% water, only 3% is clean and safe enough for human use. The average household uses roughly 450 litres of water per day, amounting to 164,000 litres per year. Using all this water requires the use of a significant amount of energy in Read More...

Leaking Hot Water Heater Repair or Replace?

If you have a leaking hot water heater and are unsure of whether or not you need a repair or a replacement, we can help you decide. A leaking hot water heater does not always mean that your water heater has reached the end of its life. The location of the leak itself is what will help you decide what your next course of action should be. What you must do now is find the source of the problem before Read More...

Air conditioning installation

Summer is almost here and that means that it might be time for you to consider a brand new air conditioning installation. We can say goodbye to the frigid winter days as the arrival of the spring season can already be felt in the air. The summer heat is coming and there are only a mere couple months left before your air conditioner becomes your home’s best friend and greatest asset once again. Before you become reacquainted with your home’s Read More...

Check Your Carbon Monoxide Alarm

Changing your old and outdated carbon monoxide alarm should be at the top of your priority list today. The reason that we bring up carbon monoxide alarms as being a topic of urgency at this time is because it has come to our attention that recently there was a man in Barrie who came home after working the night shift to find his two children and wife suffering from carbon monoxide poisoning. His 10 months old son passed away in the Read More...

Do I Need A New Furnace?

Knowing whether or not you need a new furnace is not always a simple judgement, so let’s learn the key signs indicating that you need an upgrade. If your furnace is broken down and no longer operates then obviously you are in need of a new furnace unit. What if your furnace is still working? You may still need a new furnace even if your current unit is still running. A new furnace could save energy, save money from wasted Read More...

Tankless Water Heater Benefits

Learn about the many tankless water heater benefits and improve your living space for the better. If you’re looking to upgrade and make some positive changes to your home then looking at tankless water heater benefits is definitely a great start. By upgrading to a brand new tankless water heater you’ll be able to save money, save energy, reduce waste, and conserve space. By making just this one change to your home you will already be able to improve your Read More...
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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!

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

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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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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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