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How to Choose a Patio Heat Lamp Electric When you want to heat your patio, you have numerous options. Unlike that require refills, electric heaters can deliver instant heat by simply flicking an switch or pressing a button. They don't emit gasses which could pose the risk of health hazards. Certain units come with adjustable heat settings to allow for different distances. Type of Heater You can enjoy your outdoor living space throughout the day and throughout the seasons