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Patio Outdoor Gas Heater Outdoor gas heaters for patios are a simple and straightforward method to add warmth and ambiance to an outdoor space. These devices burn liquefied petroleum gases (LPG) or propane to generate radiant heat that warms the surrounding area in the same way that sunlight does. Propane patio heaters require a refillable tank. Safety Gas patio heaters are getting more popular for heating patios as well as other areas of open space in homes and restaurants. Although these devices pro