Cadet EBHN500WLH Softheat Hydronic Baseboard Heater 500 Watt heater at 240 Volts or 375 Watts at 208 Volts creates heat that is great for warming an area up to 75 square feet Lower surface temperature than standard baseboards makes it ideal for nurseries and bedrooms Reduces airborne allergens while providing whisper-quiet operation Saves energy by retaining heat to generate residual warmth, even after thermostat turns off Circulates environmentally friendly, non-toxic, non-hazardous fluid with no plumbing or refilling required