subject: Table patio heaters [print this page] But one should always prefer the electric ones for convenience. There is also a third kind of table patio heaters. These are mainly based on gelled alcohol and emit heat without the mess of ashes and soot but with the beauty of a crackling wood fire. The fuel is very efficient, non-toxic and safe to burn indoors. The gel can be used to burn in specially designed rock-pits and radiate heat or may used to light up a small place. Undoubtedly Table patio heater increases the beauty of a dinner or a special occasion.