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Tankless

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Changing your old and outdated carbon monoxide alarm should be at the top of your priority list today.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...

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...

HVAC Spring Tips

Spring is almost here. This means that soon it will be time to switch over from heating your home to cooling it instead! And, with warmer weather, it can actually be more confusing to decide best HVAC spring tips. Do you turn it on? Do you turn all of your systems off? Do you open the windows? Well, here are the spring tips you need to keep in mind when it comes to your HVAC equipment. Change the Filters AC filters work hard Read More...

Why Is My Energy Bill So High

The winter time means less sunlight, the bitter cold, and with this comes an increase on your monthly energy bill. Canada is known for its cold and snowy winters, so for us Canadians to cope with the weather we of course need the use of some of our household appliances. Whether it be your furnace, your water heater, space heater, light bulbs, etc. your household appliances all see great use during the winter months. You need to keep yourself and Read More...

Enbridge Warning Tag

An Enbridge warning tag, often called a red tag, is put on a water heater or furnace by a licensed technician to show that the piece of equipment is no longer safe to operate. The most common reason for a furnace or water heater to receive an Enbridge warning tag is because of a carbon monoxide leak. If a licensed technician detects that there is a defective heat exchanger then they are obligated to place an Enbridge warning tag on Read More...

Water heater safety tips

Water heater safety is a topic which is often overlooked in many households, but if you want to be certain that your home is a safe household then it definitely deserves some attention. Although your water heater stays out of site and out of mind for the majority of the time you’re at home, it’s important to not forget about performing regular maintenance to ensure safety and so that your heating equipment is running efficiently. Getting to know a little Read More...

GSW Hot Water Heaters

GSW hot water heaters are built to be energy efficient, safe, and always reliable. Across the country, GSW hot water heaters have a great reputation for their excellent value which is how they’ve gained their tremendous loyalty and trust from their Canadian users. They design their product with the intention of creating the safest and most dependable energy efficient water heaters. So if you’re looking to change your home’s water heater, look no further than at the amazing product created Read More...

Your Home Heating and Fire Safety Tips

Knowing the do’s and don’ts of your home heating system is more important than you may think. The leading cause of fires in the home is the improper use of heating equipment. These fires often happen during the winter season as this is when you’ll be using your home heating system most frequently. This winter season, DeMark Home Ontario not only wants to keep you warm, but also safe from fire hazards in your home. The following is a list Read More...

How to Shop For New Water Heater

When you shop for new water heater, you need to consider several things. Water heater technology is changing fast. New hot water heater is a great way to improve your home’s value and reduce your energy usage. To make sure that you make the best choice when shop for new water heater, there are four things that you need to consider: the tank type, tank size, and its overall efficiency. Water Heater Type There are different types of water heaters to choose Read More...

Do you need New Hot Water Heater?

Get rid of your old water heater unit and replace it with a brand new hot water heater from your local HVAC professionals. Water heaters are no different than any other appliance in your home, as time goes on your water heater is bound to break down and will need to be replaced. It’s always better to replace your water heater before it’s completely broken and rendered useless because that may lead to larger problems, such as large leaks and 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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