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Energy Tips

Gas vs Electric Water Heaters

A key question to consider if you’re looking to upgrade your home’s water heater is whether a gas vs electric water heater is best for your home. If you know your water heater needs an upgrade but are unsure which type of water heater is best for your home, you’ve come to the right place. Gas vs electric water heaters operate differently, and both have their pros and cons. Whether a gas or electric water heater is best is entirely Read More...

Should I Use An Air Conditioner Cover This Winter?

It’s important to maintain your air conditioner to keep it in good shape, but using an air conditioner cover in the winter can sometimes do more harm than good. An air conditioner cover is designed to keep debris and dirt out from the unit during the season that it’s not in use. However, it is not always necessary to cover your air conditioner during the winter and in some cases, it can even be harmful to the equipment. Now let’s Read More...

Do My Furnace And AC Unit Work Together?

Understanding how your furnace and AC unit work together is important when making HVAC installation and maintenance choices that affect your home comfort. While your furnace and air conditioner serve different purposes in your home – one for heating and the other for cooling – these two systems do in fact work together. This means that a more efficient AC unit also affects the efficiency of the furnace system. Now let’s take a look at how these two systems work Read More...

Nest E or Nest 3 Thermostat

The Nest 3 smart thermostat adds convenience to your home comfort and saves you money on your monthly utility bill. Heating and cooling accounts for roughly half of your home’s energy expenses making it one of the most expensive utilities in your home. Smart thermostats can help you manage this expense by saving you money and adding a layer of convenience. The Nest 3 thermostat allows you to enjoy home comfort all year round while still maintaining your home’s energy Read More...

Tankless Water Heaters: Endless Hot Water On-Demand

On-demand tankless water heaters allow you to get endless hot water without expensive utility bills. If you’ve had the issue of running out of hot water with your home’s traditional water heater, upgrading to a tankless unit allows you to enjoy endless hot water on-demand. A tankless water heater will elevate your home comfort in more ways than you may think. Let’s discuss some of the advantages of having a tankless water heater in your home. Endless Hot Water Tankless water heaters Read More...

DeMark Home Ontario Awarded Best of Houzz 2022

DeMark Home Ontario is proud to be awarded as the Best of Houzz 2022 for our consistently exceptional customer service! For the seventh consecutive year, we are being recognized by the Best of Houzz 2022 list for customer service. DeMark Home Ontario is also recognized on Houzz as a “recommended professional” in the HVAC category. We would like to thank our customers for their tremendous feedback on Houzz and across other platforms. We love receiving your feedback on our service and Read More...

How to Spot an AC Refrigerant Leak

An AC refrigerant leak can be more severe than you expect so it’s very important to know how to spot one. If you sense that your air conditioner’s refrigerant may be leaking then you probably want to know how to confirm that assumption. A refrigerant leak is scarier than you may think as it can lead to a number of problems with your home’s HVAC equipment. Some problems that may arise due to air conditioner failure include: Your system may begin Read More...

Do I Need A Whole House Humidifier?

A whole house humidifier is an asset to your home as it helps with respiratory infections and skin allergies, as well as preserves the wooden materials found in your home. Dry air in your home damages the wooden floors, doors, and furniture and can also aggravate respiratory infections and skin allergies. Opposingly, high humidity levels increases risk of mold, bacteria, and viruses. A whole house humidifier is intended to maintain the optimal humidity level in your home that is best Read More...

How Long Should A Furnace Last?

A furnace’s lifespan can vary greatly based on a number of factors, so let’s investigate how you can extend your furnace lifespan. There’s no conclusive answer of how long a furnace will last as it can vary on a case by case basis. However, we can tell you that the average furnace lifespan is 15-30 years, and in some cases a furnace can even last up to 40 years. We’re here to share with you the factors that affect a Read More...

Smoke Detector Safety Guide

Your home’s smoke detector needs regular maintenance to function properly and continue keeping you and your family safe. Just having smoke and carbon monoxide detectors in your home may not be enough to notify you of a potential fire or carbon monoxide leak. It is important to not only have these devices, but to also maintain them and ensure they’re working properly to keep your family safe. The following are some smoke detector safety tips that help you keep your Read More...
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Upgrading to a high-efficiency heating and cooling system offers more than energy savings.

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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.

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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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