No hot water
Showers run cold, or hot water runs out fast.
What you're probably seeing
Showers run cold, or hot water runs out fast.
Likely causes
- Gas unit: pilot out, thermocouple or gas valve problem.
- Electric unit: tripped breaker, failed element or thermostat.
- Sediment build-up, or the tank is too small for the household.
Safe checks you can do now
- Electric: check the breaker. If it trips again, stop.
- Gas: check the gas valve is on and follow the label to relight the pilot.
- Smell gas? Leave and call your gas utility.
When to call a pro
The pilot won't stay lit, the breaker keeps tripping, or the tank is old.
General information about common causes, not a diagnosis of your home.
FAQ
Quick answers
Who fixes no hot water?
A plumber. Call (833) 835-1569 to connect with an independent local plumber.
How much does it typically cost?
Water heater repair: $150–$700; New water heater, installed: Tank $600–$3,100 · Tankless $1,400–$5,600 (HomeGuide 2026 national ranges). Your pro sets the real number after seeing the job.
When should I call?
The pilot won't stay lit, the breaker keeps tripping, or the tank is old.
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