Home Water Heater Recovery Time Calculator
Recovery time tells you how quickly your water heater can refill hot water after a shower or load of laundry drains the tank. Enter your tank and heater specs to estimate recovery time in minutes.
About this calculator
Estimate how long it takes your water heater to reheat a full tank after use, based on tank size, incoming water temperature, target temperature, and heating element or burner power.
Frequently Asked Questions
Why do gas water heaters recover faster than electric ones?
Gas burners typically deliver more heat energy per hour (BTU/hr) than electric elements, so gas tanks generally reheat faster despite similar tank sizes.
What is a typical recovery time?
A standard 50-gallon gas water heater often recovers in about 40-60 minutes, while an electric one can take 60-90+ minutes depending on element wattage.
Does insulation affect recovery time?
Tank insulation affects standby heat loss more than active recovery time, but better-insulated tanks lose less heat between uses, indirectly reducing how often full recovery is needed.