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.

CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 ...