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Tag Archives: HVAC

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...

DeMark Home Ontario Awarded with Best of Houzz 2021

We’ve been awarded as the Best of Houzz 2021 for our dedication to great customer service! We are very glad to know that our effort at serving our valued customers isn’t going unrecognized. For the sixth consecutive year we have been awarded the Best of Houzz 2021 for customer service. DeMark Home Ontario is also listed on Houzz as a “recommended professional” in the HVAC category. The Best of Houzz 2021 service award is presented to companies who are rated at 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...

Benefits of a Two-Stage Furnace

A two-stage furnace offers you  consistent comfort, quiet operation, improved air filtration, and savings on your utility bill. When you hear someone refer to a furnace as being a single-stage or two-stage furnace, they are talking about the burner section of the furnace. A single-stage furnace has two settings: either on or off. A two-stage furnace has three settings: high, low, or off. On a milder day, a two-stage furnace will operate at the low setting, which uses 65% of 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...

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...

Nest E vs. Nest 3 Thermostat

If you’re looking to add a smart thermostat to your home for that added level of convenience, comfort, and savings, the Nest E and Nest 3 are some of the best options on the market. A smart thermostat allows you to make the most of your heating and cooling system without wasting money or energy. With a smart thermostat you won’t have to choose between comfort and affordability, you can have both. Here we are going to discuss the similarities 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...

Find the Do-It-Yourself Solution to Your Furnace Problem

With some basic knowledge of how your home appliance works and minimal do-it-yourself experience, you might be able to fix your  furnace problem yourself. Our step-by-step guide is here to provide you with the knowledge and confidence it takes to tackle any common furnace problem yourself. If at any point when following this guide you don’t feel comfortable or experienced enough to solve your furnace problem then it is in your best interest to schedule a service call with a 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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