There are many situations in which a diesel fired air heaters may be useful. The Air Heater Compact was designed specifically to warm and control the air environment of the MidiFlex Tent in accordance with effective decontamination procedures. It is capable of producing a warm environment to prevent hypothermia or other further trauma during the decontamination process. The Air Heater Compact will simultaneously control the air flow direction to limit the spread of contaminants. This 51,000 BTU flow through heater burns less than 1/2 gallon of diesel fuel per hour with an output temperature of 176°F. Attach the dual Y branch output and use the Air Heater Compact to warm and control the air environment of multiple MidiFlex Tents. Remote thermostats are optional.