The FHP-6250 (120 VAC) and FHP-6252 (240 VAC) are energy saving air conditioner/heat exchanger products with cooling performance ratings up to 4,480 BTU/hr. These new models offer, to date, the greatest cooling performance of any flush-mounted thermoelectric air conditioner currently on the market. Both models can both heat and cool (heat via reverse polarity) and both models include the energy saving Eco-Mode which uses up to 84% less energy than the active mode.