Tankless Water Heater FAQ’s

We commonly get a lot of questions about Tankless Water Heaters. Every single day, people call into our offices to ask their list of questions about their device. We’ve compiled the most frequently asked questions about tankless water heaters in the list below. We hope we can provide you with the answer you seek.

i.   What is a tankless water heater?

Most people in North America currently use a storage tank water heater to provide hot water in their homes. A storage tank water heater keeps water hot 24 hours a day, even while you are at work or sleeping. A tankless water heater, on the other hand, does not store hot water. It heats the water as you use it.

ii.   How can a tankless water heater heat water instantly?

Gas Tankless Water Heater Diagram

When you open a faucet, the flow of the water triggers the heater to turn on. Whether you use gas or electricity, the powerful gas burners or electrical elements will turn on, rapidly heating the water as it passes through the unit. The water is heated instantly, and the time it takes to obtain hot water is directly related to the distance the hot water has to travel from the water heater to where hot water is being used. The burners or elements then shut down when you shut off the hot water. The energy that is consumed is only for the hot water that is being used.
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BUYER’S GUIDE: Tankless Water Heaters

What is a Tankless Water Heater?

Tankless Water Heaters, often referred to as Instantaneous or Demand Water Heaters, provide hot water only as it is needed. Traditional storage water heaters produce standby energy losses that cost you money. We do not leave our homes heated while vacationing. We only heat our homes when there is a demand for heat. In the same way, a tankless water heater is used only when there is a demand for hot water.

How do Tankless Water Heaters Work?

Tankless water heaters work by heating the water directly, without the use of a storage tank. Therefore, they avoid the standby heat losses associated with storage water heaters. When a hot water tap is turned on, cold water travels through a pipe into the unit.
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How to Install A Tankless Water Heater

Now that you have selected your tankless water heater, the time has to come to install it in your home or office. Proper installation and maintenance of your water heater can optimize its energy efficiency.

Proper installation depends on many factors. These factors include fuel type, climate, local building code requirements, and safety issues, especially concerning the combustion of gas-fired water heaters. Therefore, it’s best to have a qualified plumbing and heating contractor install your demand water heater.

4 Factors to Consider When Hiring a Contractor to Install Your Tankless Water Heater:

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How to Select the Right Size Tankless Water Heater

Tankless water heaters are rated by the maximum temperature rise possible at a given flow rate. Therefore, to size a demand water heater, you need to determine the flow rate and the temperature rise you’ll need for its application (whole house or a remote application, such as just a bathroom) in your home. It is important to note that you should never try and save money by undersizing your tankless water heater.
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