Large rooms (that is, 300 square feet or more) can pose a unique heating challenge in the winter: Features like high ceilings, hard-to-reach corners and spotty insulation greatly factor into which ...
Wattage and British Thermal Units (Btu) indicate how large of a space a heater can effectively warm up. Watts indicate the energy transfer rate, while Btu indicate the amount of energy used. 1 watt is ...