Definition:
Standby heat loss is the heat lost and energy wasted by heating water and storing it in a tank such as the case with traditional tank hot water heaters. Avoiding standby heat loss is a key design feature of tankless water heaters and how they make their energy efficiency claims.
Standby heat loss is the heat lost and energy wasted by heating water and storing it in a tank such as the case with traditional tank hot water heaters. Avoiding standby heat loss is a key design feature of tankless water heaters and how they make their energy efficiency claims.

