The Lifespan of a Water Heater: How Long Can It Last?

Learn from an expert about the average lifespan of a water heater and how to extend its longevity. Find out how to properly maintain your water heater and when it may be time for a replacement.

The Lifespan of a Water Heater: How Long Can It Last?

As an expert in the field of home appliances, I am often asked about the lifespan of a water heater. While it's impossible to give an exact answer due to various factors, most experts agree that the average lifespan of a water heater is between 12 to 25 years. However, this can vary depending on the design of the water heater and where you live. On average, a water heater should last around 8 to 12 years.

But with proper maintenance and care, you can extend its lifespan and avoid any potential problems. One simple way to do this is by flushing the tank regularly and checking the pressure relief valve. This will not only increase the longevity of your water heater but also ensure that it functions properly. When purchasing a new water heater, it's important to take measurements beforehand as they can come in different sizes.

The hot water outlet should always be at the top of the tank, so make sure to check for this when installing or replacing your water heater. And as an expert, I highly recommend learning how to perform basic tasks such as cleaning and turning on the pilot light. If you notice that there is no hot water coming from the top of the tank, it could be a sign that your water heater is not working properly. In this case, you can try insulating the hot water pipes, replacing the heating element, or adjusting the temperature settings.

It's also important to calculate how much hot water your household needs during peak usage hours to ensure that your water heater can keep up with demand. I have personally seen a Reliance water heater that has been in use for 27 years without any issues. On the other hand, I have also come across water heaters that have only lasted 15 to 17 years before needing to be replaced. It all depends on how well you maintain and care for your water heater.

As a homeowner, it's important to keep an eye out for any signs that your water heater may be reaching the end of its lifespan. This could include leaks around the base of the tank, inconsistent water temperature, or strange noises coming from the unit. If you have a water softener, it's also important to regularly check and maintain it to ensure that it doesn't cause any problems for your water heater. As a real estate agent, I have seen many home inspections where water heaters were reported as being too old, even if they were still functioning.

This is because older water heaters may not be as energy-efficient as newer models, which can lead to higher utility bills. Therefore, it's always a good idea to consider replacing your water heater if it is nearing the end of its lifespan.

Randy Strombach
Randy Strombach

Plumbing Contractor, father to three great kids and husband to an amazing wife