Propane space heaters are most commonly used in industrial units and workshop to provide background heating to workers. It may be the case for instance that there is not a suitable electrical supply for electrical type heaters, hence the space heater in one of the natural choices. Using propane space heaters has another significant advantage in the fact that propane heaters give high heat outputs for the size of heater. Adequate ventilation is however required when using this type of heater.