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Choosing a Gas Or Electric Patio Heater The majority of patio heaters utilize propane or electricity for power. Electric models are easier to use and less expensive to run than propane heaters. However you must be near to an electrical outlet and utilize outdoor-rated extension cords when the heater is used for extended periods. Also, regular inspections of the power cord for damaged areas are necessary to avoid hazards. How to Choose the Right Heater To ensure that the patio heater you select will be able to warm your space eff