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HVAC Air Filter Types and MERV Ratings

Choosing the right HVAC air filter for your home allows you to enjoy exceptionally clean air and avoid increasing your energy bills or overworking your system. An HVAC air filter is designed to remove airborne pollutants from the air you breathe at home everyday. In essence, choosing the right air filter and maintaining it properly means clean, healthy air for you and your family. Not only that, a properly maintained air filter helps prevent your HVAC system from being overworked, Read More...

My HVAC Leaking Water: 10 Reasons Why

If  there is an unexpected puddle under your home’s HVAC system, your furnace leaking is likely the culprit. A furnace leak won’t be solved just by placing a towel on the floor, and while this may keep your floors dry, the root of the problem will still persist and could escalate to a more serious HVAC issue if not taken care of. We can help you get to the bottom of this problem to keep your floors dry and your Read More...

Heat Pump Settings to Maximize Efficiency and Home Comfort

Choose the right heat pump settings to maximize energy efficiency and home comfort. If you’ve only recently upgraded your home’s heating and cooling system to an energy efficient heat pump, it’s important to understand that it operates differently than a boiler or traditional furnace. With our help, choosing the right heat pump settings is easy and will allow you to get the most out of your new equipment. Choosing the right temperature One key distinction between heat pumps and furnaces/boilers is that Read More...

Water Heater Pilot Light Going Out

A malfunctioning water heater pilot light is often the reason your home’s hot water supply suddenly goes cold. If your shower or tap unexpectedly stopped producing hot water, it’s a good idea to check if there’s an issue with your water heater pilot light. Luckily for you, fixing a malfunctioning pilot light is quite easy and we’re here to show you how. Follow along with our simple guide and enjoy a hot shower again in no time. Signs your pilot light Read More...

Common Air Conditioner Problem – Dirty Air Filter

Changing your air conditioner air filter regularly is essential to keeping your A/C running smoothly and avoid the headache of repairs. It’s a simple and inexpensive process that can be done yourself to avoid a number of common air conditioner problem. A clean air filter can significantly improve the air quality in your home, increase your HVAC system’s lifespan, and improve its energy efficiency. Air Conditioner Problem Caused by Dirty Air Filter: Poor Air QualityWhen an air filter is dirty it Read More...

How to Find the Age of your HVAC System

With summer is just around the corne,. now is the time to ensure that your HVAC system is ready for the heat. For those with older A/C units, it might seem like it takes forever to get your home to a comfortably cool temperature on a hot day. It’s important to consider that the age of your HVAC system directly affects its operating efficiency. Many homeowners notice that when their A/C unit is aging it starts to become noisier and Read More...

New Rinnai RX Tankless Water Heaters

The all-new Rinnai RX Series Pro Build Tankless Water Heater is here bringing the new standard for energy efficiency and a meticulous design crafted with the professional in mind. Rinnai has introduced their brand-new Pro Build RX Series Tankless Water Heaters that set the standard for efficiency at 0.98 UEF (Uniform Factor Energy) and is the ultimate package for home comfort. The Rinnai RX features an Adaptive Gas Valve with Smart Sense technology that allows for seamlessly switching between Propane Read More...

Best Furnace Brands in Ontario 2024

Find the best furnace brands and models that will keep you comfy through the long Canadian winter. More than half of Canadian households rely on natural gas furnaces to heat their homes in the winter. With natural gas prices on the rise at a 23.7% year-over-year increase, finding a great furnace for your home will save you money on your monthly energy bills. Choosing the best furnace brands for your home will not only help you save on energy bills, but Read More...

Best Brand New Air Conditioner Brands 2024

Choosing a brand new air conditioner for your home can be a tedious process with the amount of options available on the market. If you’re looking to invest in a high quality unit for your home then there are many brands for you to consider. Our goal is to help you find the brand new air conditioner that is perfect for your home and the needs of your family. Investing in a high quality air conditioner today buys you home Read More...

DeMark Home Ontario wins HomeStars 2024 Best of Award!

Today February 16, 2024, HomeStars announced DeMark Home Ontario has been selected as the 2024 Best of Awards Winner. The Best of HomeStars Awards 2024 is HomeStars yearly honours where they celebrate pros who go above and beyond when it comes to their three pillars of customer service, integrity, and consistency. Through the terrific feedback that we've received on HomeStars, we are happy to know that our customers trust and love our services. Thank you for your support! Your satisfaction 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.

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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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