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Amazon Patio Heater Electric Review Electric patio heaters do not require refilling the tanks. Certain models come with wheels that allow you to move the heater. Kahn suggests searching for models that have the feature of tip over shutoff. This will help keep you and your guests safe from burns and explosions. 1. Mr. Heater Double Tank Top Heater This heater for patios has a rating of 4.7 percent out of 5. It attaches to the top of your propane tank. The heater is made up of