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Tag Archives: Heating and Cooling

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...

Your Guide to House Heating

As the leaves change colour and temperatures drop, it’s safe to say that house heating season is back. To keep you and your family comfy and cozy this fall/winter season, you will likely depend on your central house heating system. So let’s learn a little bit more about that glorious piece of equipment that’s going to keep your family warm all winter long. Gas Furnace Efficiency Rating All gas furnaces are rated for their efficiency with an Annual Fuel Utilization Efficiency (AFUE) Read More...

HVAC Price Increases 2021

2021 has seen unprecedented HVAC price increases with further increases set to come. It’s common for there to be a small jump in HVAC price at the beginning of the summer season as the demand for A/Cs increases. However, the HVAC price increases seen this past year have been unprecedented, and with working from home being the common trend as a result of COVID-19, the increase in demand for new HVAC systems has caused a major spike in prices. Prices started Read More...

DeMark Home Ontario Granted with the Google Guarantee

The Google Guarantee certifies that professionals employed by a local business are licensed, pre-screened, and insured, allowing customers to quickly recognize a trusted service provider. A Google Guarantee certified business is indicated by a green check mark “badge” underneath the names of qualifying companies. What does it mean for a service provider to be Google Guaranteed? For a business to be certified, Google performs an extensive inspection of all areas of the business through: License verification Google confirms that the company and its employees Read More...

Common Issues with the Furnace Limit Switch

The two functions of a furnace limit switch are turning the fan on and off during heating cycles and ensuring the furnace doesn’t overheat by shutting it down when its internal temperature is too high. If you’ve been experiencing issues with your furnace limit switch and are looking to fix it, it’s important that you first understand what a limit switch is and how it operates. The furnace limit switch is a small but important device that’s used in forced-air Read More...

New HVAC System Buying Guide

Before purchasing a new HVAC system it’s important to consider the efficiency, type, size, ratings, price, and fit of each system to your needs. We know that buying a new HVAC system can be a huge investment, so we’d like to make the process as easy as possible by providing you with all the info you need before you make the decision. Whether you’re in need of a new furnace for the winter season, or a new AC for those Read More...

Is it better to repair or replace air conditioner?

When it’s your time to decide whether to repair or replace air conditioner, you must consider the price of the repair, the age of the AC, and a number of other factors. Whether to repair or replace air conditioner is a question every homeowner will encounter after they’ve had their AC for a number of years. Ultimately, the decision comes down to what will be the cheapest and most convenient option for you. There are a few ways to tell Read More...

Relieving Asthma Symptoms Through HVAC Maintenance

If you or someone else in your household suffers from asthma, HVAC maintenance should be taken seriously to create a home environment that prevents asthma attacks. Though asthma has no cure, it can be made manageable by taking the right measures to remove allergens. Here are a few ways asthma can be made manageable through proper duct cleaning and HVAC maintenance: Changing HVAC system’s air filter If you’re experiencing asthma attacks in your home and don’t know the reason, it is likely Read More...

Questions You Should Be Asking Your HVAC Technician

To be a smart consumer you should be well informed and know all the right questions to ask your HVAC technician before making a purchase. Purchasing new HVAC equipment will be a large investment for your home and one that you’ll be relying on for many years to come, so it’s important that you make the right choice for your HVAC unit. Before you make the purchase, here are the key questions that you should ask your HVAC technician: Can you Read More...

Should I Turn My Furnace Off in The Summertime

Turning your furnace off in the summer can have several benefits, but it’s important that you know more about your furnace first before you turn it off. The summer season is almost here! Pretty soon your furnace won’t be needed for months to come and your AC will become an essential appliance in your home once again. With your furnace not being used for so long, you may wonder if you should turn your furnace off during the summer. We 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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