Thermoelectric heater convert electric energy into heat. This is an irreversible conversion of electricity into heat; these heaters are often used for water and other fluids.
Thermoelectric Water Heater
Tabletop Thermoelectric Water Cooler/Heater
Constructed of lightweight and durable ABS thermoplastic, the WD31EC uses compressor-free thermoelectric technology for quiet and cost-efficient cooling. Plus, it's designed to save extra energy, offering separate on/off power switches for hot and cold water operations and a choice of normal and energy saver modes.
Key features include: full LED display for all functions; built-in cup storage compartment; convenient drain plugs for both hot and cold reservoirs; child safety guard on hot faucet; and uses standard 2, 3, or 5 gallon bottles. The Tabletop Thermoelectric Water Cooler/Heater allows cold or hot water to be dispensed wherever refreshment is needed, whether in the home or office or on the go in RV's or boats!