How Does a Tankless Water Heater Work?

If you are considering updating your water heater, you have probably been reading up on the pros and cons of a traditional tank water heater or updating to a tankless water heater. With all that information, you may be wondering just how does a tankless water work, and how does it differ from the traditional type.

The major difference between the two types is how the water is heated. Instead of keeping a large supply of hot water heated and ready for use, a tankless water heater is at your service only when you need it.

While the price tag is higher, the long term savings and longevity of updating to a tankless water heater is never in doubt. And don’t forget about the convenience of not running out of hot water!

Traditional Water Heater

Water in the tank is constantly kept used. When you turn on the hot water faucet, it pushes cold water into the tank, which sends the hot water out to reach where it was requested. That cold water that was brought in, is then kept in the tank to be heated and kept hot until the next time hot water is required.

Tankless Water Heater

When you turn on the faucet, that water activates a heat exchanger that instantly begins working to heat the water to the desired temperature as it flows through. When you are done with the hot water, turning it off also turns off the heat exchanger, which in turn means energy savings. If you use a small point of use system, the time you wait for hot water is hardly any time at all. If you use a single tankless water heater for the whole house, you will wait a short time for the hot water to travel from the system to your faucet, which can vary depending on the size of the house.


If you would like to discuss the water heater options available for your home, Pipe Masters can help! Pipe Masters plumbing experts have over 45 years of experience within the trade and are licensed master plumbers. We will advise you on the best plumbing solution for your home or commercial property. Call us today for expert services in the Long Beach area and throughout Los Angeles and Orange County and let us help you with your plumbing needs! (562) 533-2145 - ask for Cory!

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