Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Electric Tankless is part of the Water Heaters test program at ...

Rheem’s RTEX-18 electric tankless water heater delivers impressive performance ... seeking to modernize their hot water setup. The Bosch Tronic 3000 tackles a common household frustration ...

If you use hot water three times a day, you could be dumping 600 gallons down the drain every month. An under-sink water heater can prevent that. You can choose a tank or tankless model.