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Choosing for Your Outdoor Patio In contrast to gas-powered patio heaters electric models don't require refills. Electric patio heaters do not emit harmful gases and are more affordable to operate than propane models. They may not cover the same area as standing mushroom heaters, but they add a touch of elegance to outdoor patios. They can also be easily mounted to ceilings or walls and blend into the surrounding decor. Safety In addition to the heating source itself be sure to look for additional