https://sciencewiki.science/wi....ki/Outdoor_Heater_Fo
Modern Electric Patio Heater Many models have a tip-over shutoff that prevents accidents. The most effective ones use infrared rays to warm objects and people, rather than heat the air. Larger spaces require a greater Btu output, which is why pyramid and dome-top heaters are typically found in restaurants. They also have a high safety rating but make sure to adhere to the manufacturer's recommendations for placement and keep them away from anything that could ignite. Stylish Design If
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