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How to Choose an Electric Patio Heater Electric patio heaters are a cost-efficient method to warm up your outdoor space. They are available in several different output levels and are measured in BTUs. You can determine the amount of heat you need by measuring the square footage. Some outdoor electric heaters can be installed on walls and ceilings in a way that doesn't interfere with the setting. They are also more secure than those that stand alone. Eco-friendly If used in a responsibl