Tankless water heaters are a popular choice for many homeowners who want reliable, energy-efficient hot water on demand. Unlike traditional tank-style models, tankless systems heat water only when it’s needed, which means lower utility bills and a longer system lifespan—often as long as 20 years. But that longevity depends on proper care.
While annual professional maintenance is highly recommended, there are several DIY tasks you can do throughout the year to help keep your tankless water heater in peak condition. Here are the top homeowner-friendly tips.