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How Long Should a Water Heater Last?
Blog
December 5, 2024
March 17, 2026

How Long Should a Water Heater Last?

Water heaters are an essential but often overlooked home appliance. Understanding how long yours should last can help you plan for replacement before you’re left without hot water.

Tank Water Heaters

Traditional tank water heaters typically last 8 to 12 years. Factors that affect lifespan include water quality, maintenance frequency, and the quality of the unit itself. Annual flushing to remove sediment can help extend the life of a tank water heater.

Tankless Water Heaters

Tankless water heaters last significantly longer — typically 15 to 20 years or more. Their on-demand heating means less wear and tear compared to a tank unit that runs continuously.

Signs It’s Time to Replace

Rust-colored water, inconsistent temperatures, strange noises, or visible corrosion on the tank are all signs your water heater is nearing the end of its life. Don’t wait for a complete failure — replacement on your terms is far less stressful than an emergency. Contact Air & Energy at 941-778-0773 for water heater installation in Bradenton.