Electric patio heater is a type of outdoor heating device that is designed to provide warmth and comfort to outdoor living spaces such as patios, decks, and gardens. Unlike gas-powered heaters, electric patio heaters run on electricity and do not require a fuel source such as propane or natural gas.Electric patio heaters typically use infrared heating elements to produce warmth, which are powered by electricity. They are available in a range of sizes, styles, and designs, including free-standing models, wall-mounted models, and table-top models.