New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. No matter where you live, managing indoor ...

When the days get colder and your utility bills soar, it's a good idea to have extra heating help on hand.

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 ...