Camping heaters are clever devices that give you portable heat. They’re particularly useful for chill or damp nights to warm up your tent.The power of a camping heater is measured in BTUs (British Thermal Units), the standard measurement of heat output. The higher the BTU, the more heat the heater will produce. There are several types of camping heaters: propane, battery, camping fuel, unleaded gas, and electric. Most important is that it has the proper safety features.Here are some helpful steps when choosing and using your camping heater.