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Amazon.com: Space Heater, 1500W Electric Heaters Indoor Portable with Thermostat, PTC Fast Heating Ceramic Room Small Heater with Heating and Fan Mode1 for Bedroom, Office Use : Home & Kitchen
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Electric heat pumps use much less energy than furnaces, and can cool houses too – here's how they work
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Dyna-Glo 10000-BTU Wall-Mount Indoor Natural Gas or Liquid Propane Vent-Free Convection Heater in the Gas Space Heaters department at Lowes.com
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