Do Water Heaters Need to Be Flushed? Why?

A hand attaching a hose to a water heater drain valve.

Sediment buildup can quietly reduce your water heater’s lifespan. That’s why homeowners often ask: Do water heaters need to be flushed and why? Yes, water heaters should be flushed once a year to remove sediment buildup, improve efficiency, and extend the unit’s life. I’ve maintained hundreds of systems and seen how yearly flushing prevents expensive […]