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What is a Tankless Water Heater?: A Complete Guide

What is a tankless water heater and how do they compare to more traditional water heaters? According to the Department of Energy, tankless water heaters can save you money on your energy bills compared to water heaters with storage tanks.

In this article, we'll compare a tankless water heater vs tank water heater and show you which one is best for you. We'll also offer you a closer look at the Rinnai tankless water heater installation process that our heating and cooling experts carry out.

Ready to find out more about tankless water heaters? Then keep reading!

What Is a Tankless Water Heater?

Let's start with the fundamentals: what is a tankless water heater? Put simply, a tankless water heater doesn't store hot water in a tank but heats water as you need it. This means that they offer big increases in energy efficiency compared to water heaters with tanks.

When compared with traditional water heaters, tankless heaters tend to cost more initially but offer long-term savings. They also have a long life expectancy of over 20 years.

Their chief disadvantage, when compared to water heaters with tanks, is that they cannot produce as much hot water. If you only have one, small tankless water heater, it may only be able to supply one faucet with hot water at a time.

This means, for instance, that you can't use a dishwasher and have a shower at the same time. This problem can be ameliorated by installing a larger tankless water heater or by having several smaller ones.

Is a Tankless Water Heater For Me?

In this section, we'll offer an FAQ for a tankless water heater. Let's take a closer look and see whether one is for you.

How Much Hot Water Do You Use Per Day?

If you don't use a lot of hot water every day, a tankless water heater can help cut your energy bills while providing you with enough hot water.

Do You Meet the Requirements?

Tankless water heaters should be no more than 50 feet from an energy source. If you use an electric water heater, it needs to be supplied with enough power and a gas unit needs to be vented.

How Much Can You Afford?

As we mentioned, the tankless water heater cost tends to be higher than water heaters with tanks. Yet consider the lowered energy bills and whether you would save more money than you'd spend.

Tankless Water Heater Installation

How will our plumbers go about installing your tankless water heater? If it's a gas heater, we'll need to mount the unit onto your wall and connect water and gas lines as well as installing a flue.

If it's an electric heater, we'll need to mount it and connect it to water and electricity supplies.

Installation is fairly simple but should be done by a professional due to the potential for gas and water leaks and other serious issues.

Ready to Go Tankless?

You began this article with one question "what is a tankless water heater?" We hope that we've helped you understand what they are and how they can help you. For more information about purchasing a unit, getting it installed, and cutting your energy bills, please get in contact with us by calling 1-800-758-6237!

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