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HVAC Contractor

Hot Water Heater Types: Which Is Right For Your Home?

There’s many different hot water heater types on the market, but which one is right for your home? If you’re in the market for a water heater upgrade, you might be intimidated by the amount of options that are available to you. And before you can even choose the brand and model of your new water heater, you will have to figure out which water heater type is right for your home. You can choose from gas, electric, tankless, and Read More...

5 Common Reasons for Having No Hot Water

Having no hot water at home makes a lot of everyday tasks very troublesome, so here are some things to consider if you find yourself in this unpleasant situation. Turning on your tap or shower and finding no hot water can have you concerned about the root cause of this annoying problem. Is your water tank leaking? Do you have a natural gas leak? Here are the 5 most common reasons for why you may have no hot water in Read More...

Rent or Finance HVAC: Which Should I Choose?

Rent or finance HVAC provides a convenient and affordable solution for the homeowner on a budget. Replacing or upgrading your old HVAC system is a large investment for any homeowner. While purchasing a furnace or AC is cheaper in the long run, the high upfront cost deters many homeowners from choosing this option. Luckily, there are rent or finance HVAC options available that involve zero upfront cost and affordable monthly payments. Renting or financing your HVAC system allows you to 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...

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...

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...

What To Do If Your Air Conditioner Runs All The Time

It’s perfectly normal for an AC to run frequently during a hot summer day, but if your air conditioner runs all the time then that’s a sign of a problem that’s worthy of attention. On an especially hot summer day, it’s expected that your AC will take longer to reach the desired temperature set on your thermostat. But if your air conditioner runs all the time without switching off, this is a reason for concern. Here are some signs that there 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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