How long do water heaters last?


 The lifespan of tank and tankless heaters

Tank

How long your tank water heater lasts will depend on the manufacturer of the system. The expiration date can vary by a few years, all depending on the brand of your unit. Also, the duty rate of your system will affect whether you can squeeze more years out of the system or be forced to replace it prematurely.

Tankless

Unlike tank systems, tankless water heaters typically have a much longer lifespan and a less frequent duty rate. Unlike tank heaters, tankless heaters are used when hot water is needed. If a tankless system is properly cared for and maintained, it can last up to 20 years.

Red Flags for System Replacement

Insufficient Hot Water Supply

This red flag is obvious. If your water heater isn't producing hot water or isn't producing enough of it, then it's time to consider a replacement. This problem can sometimes be fixed by adjusting the thermostat or getting replacement parts for the interior parts. However, if your system is near retirement age, some parts won't be available for water heater repair. It may be quicker and cheaper to replace the unit.

Unit Making Unusual Noises

If you hear an unusual rumbling noise inside your home, first make sure you've eaten a nutritious meal. Now, if you keep hearing the same noise, then your water heater is having problems. Sediment can build up inside your unit and cause it to bang against the walls of the tank. This is a sign of an aging system that needs to go into your retirement plan.

Heater Leaks

Heater leaks can occur when the metal inside your tank has expanded over time. The hot water inside the tank can force changes in its shape. This expansion can cause fractures that lead to leaks in the water heater. These leaks can cause damage to your home that you will need to repair in addition to getting a replacement unit.

How to Make Your Water Heater Last Longer

Flushing the Tank

Sediment can build up at the bottom of the tank, so it is very important to clean it. This allows the tank to be cleared of any potentially harmful sediment and ensures a clean water supply. This process should be done at least once a year, but can also be done every month.

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