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Tankless Water Heaters – How Do They Work?

April 14, 2015

A tankless water heater is home water heating system that heats water on demand as needed, and does not store the hot water in a tank. They are designed to be energy efficient as they provide hot water only when required, saving the user on energy costs.

The tankless water heater works by heating water directly on demand which means that when one opens a shower or tap to use hot water, the water heater heats water as it passes through the system. The system was designed to replace the traditional hot water heaters which heated water and then stored them in tanks. With tankless heaters, when a user wants hot water, all they need is to turn on the shower or the tap and it will be reliably there.

Since these heaters do not require a storage tank to store the hot water, they don’t experience any standing heat loss. When switched on, cold water goes through the unit where it passes a heat element which in turn heats the water, providing the user with instant hot water. The heating element can either be a gas fired burner or an electrical resistance heating coil.

As long as the tap or shower is on while the unit is on, hot water will be available. Once the unit is switched off, hot water will be available for a few seconds before turning cold.

All in all, tankless water heaters are efficient and environmentally friendly options for your home. Contact Tap Roots today for more information. 604-222-1282.

 

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