Hot water runs out faster than before most often because of sediment buildup inside the tank, a worn or shortened dip tube, a failing lower heating element (on electric models), a misadjusted thermostat, or simply increased household demand. In most cases the fix is straightforward and far cheaper than a new water heater.
Top causes
- Sediment buildup reducing usable tank volume
- Broken or shortened dip tube
- Failed lower heating element (electric)
- Thermostat set too low
- Increased household demand — new fixtures, more people, larger tub
A flush and tune-up usually restores capacity. We handle it through water heater maintenance or repair. For chronic shortage, consider a tankless water heater for endless hot water.