Patio heaters can be powered by different fuel options:nn1. Propane: Propane patio heaters are popular due to their convenience and portability. They are easy to use, require minimal setup, and offer a steady heat source.n2. Natural gas: Natural gas patio heaters are a more permanent heating solution. They are connected to a natural gas line and provide continuous heat without the need for refilling propane tanks.n3. Electric: Electric patio heaters are efficient and environmentally friendly. They require access to an electrical outlet and can be easily controlled with adjustable heat settings.