A reliable water heater is essential for everyday comfort, but like all appliances, it has a limited lifespan. As a unit ages or loses efficiency, it can lead to rising energy bills, costly water damage, and frequent repairs. Knowing when to replace your system is key to avoiding these issues. Below are some of the most common signs that indicate it may be time to upgrade to a new water heater.
1. Age of Your Water Heater
A water heater nearing the end of its service life should be evaluated for replacement. Standard storage tank units generally operate reliably for 8–12 years, whereas tankless water heaters can function significantly longer than that with proper maintenance. Extending use beyond these expected lifespans often leads to recurring mechanical failures, increased maintenance costs, and diminished performance. As internal components such as heating elements, anode rods, and heat exchangers degrade, system efficiency drops and the probability of complete failure rises. In most cases, proactive replacement proves more cost-effective than continual repairs, while also ensuring consistent hot water availability and energy efficiency.
How to Determine the Age of Your Water Heater
Most of them have an installation date on the side from the manufacturer. Without a label, you can check the age from the serial number by going to the website or manual from the manufacturer.
2. Frequent Repairs
If you have to repair your water heater constantly, it’s pretty obvious you should get a new one. While some repairs can be relatively inexpensive, repeated problems show that the system is reaching the end of its life expectancy. When your water heater has been in constant breakdowns over time and has already reached half its lifetime, replacement is likely the better financial decision. If you are unsure of that, seek the services of a professional plumber who can inspect the system to advise if repair or replacement will be the most appropriate.
3. High Energy Bills
As water heaters age, they become less efficient because of aging components and poor or infrequent maintenance. If your energy bills rise over time while there has not been a significant change in hot water usage, it may be that your water heater works harder than it should. Consider having a qualified plumber inspect your water heater once these other factors have been eliminated, including poor insulation or inefficient appliances.
Going tankless could save you a lot in your energy consumption, as there would no longer be any need for storage; therefore, lessening standby energy losses. If you want to upgrade to a tankless model, it is best to hire a professional plumbing service that can offer you a tankless water heater installation service. Furthermore, annual flushing of your water heater will give you better efficiency and extend its life.
4. Visible Corrosion
Corrosion on your water heater is a definite warning sign. Rust on the tank, pipes, or other external parts means something is deteriorating on the inside. In addition to causing leaks, corrosion can contaminate your hot water, making it smell and taste metallic. If you find rust or any leaks, it is time for replacement.
Schedule Your Water Heater Replacement Today!
Common signs that your water heater may need replacement include rattling, clanking, or knocking noises, visible leaks at the base of the unit, boiling or overheating water, the system running nonstop, or inconsistent hot water supply. At Rooter Man Plumbing, we provide professional water heater services—including installation of new systems, repairs, and full replacements. Whether you’re interested in upgrading to an energy-efficient tankless model or need a thorough inspection of your current unit, our licensed plumbers are here to help. Contact Rooter Man Plumbing today for reliable, efficient, and affordable water heater solutions in Reno and Carson City.