Water Heater Running Out of Hot Water Fast? Here's Why
If hot water used to last through a full shower and now runs out in minutes, your water heater is likely losing capacity, not just aging randomly.
Sediment Buildup
Minerals settle at the bottom of the tank over time, taking up space that used to hold hot water and insulating the lower heating element from the water above it.
A Failing Lower Heating Element
On electric water heaters, the lower element does most of the work of keeping a full tank of hot water ready. A weak or failed lower element often causes hot water to run out fast.
A Tank That's Too Small for Your Household
If your household has grown since the water heater was installed, the tank size itself may simply not keep up anymore.
Simple Flush Maintenance
Draining a few gallons from the tank every few months helps clear sediment before it builds up into a bigger problem.
When to Call a Technician
If flushing the tank doesn't help, a technician can test the heating elements and thermostat directly to find the real cause.
Think this might be more than a quick fix? See our Water Heater Repair page for common causes, what a repair involves, and what it typically costs.
View Water Heater Repair ›If you're not sure what's causing the problem, or the fix involves gas, electrical wiring, or refrigerant, it's best to call a licensed technician rather than take it apart yourself.
Still Have Questions?
Call now and talk to a real technician about your appliance.
Call (830) 380-5984