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Why Choose a Gas Patio Heater? As opposed to electric heaters which require electricity gas patio heaters run on portable propane or butane cylinders. This allows you to use them in places that are not near electrical sockets. Many are also easy to move as the cylinder is able to be disengaged and carried to another location. You can choose from table-top models to large freestanding ones. Efficient Gas patio heaters are a great option for outdoor spaces since they pro