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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 ...

The best electric garage heaters are safe, powerful and effective at keeping garages of all sizes warm. See our top picks from Newair, Comfort Zone and more.

Check out this warm indoor heater that won't break the bank, thanks to a new discount on the Amazon Choice essential.

Large rooms can pose a heating challenge: They tend to have drafty, hard-to-reach corners and require more energy to warm up properly during the winter months. To find the best space heaters for large ...