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Bring a Natural Element to Your Garden Patio With a Gas Heater Gas heaters are the best option to add a natural look to your patio garden and to enjoy the flickering flames on an evening that is dark. They use infrared light to warm objects within the range of the heat. The most common fuel types include electric, propane, and natural gas. Propane patio heaters require propane tanks to operate, whereas overhead or permanent models connect to the gas lin