ACU-301 Series Conditioned Air Units comprise a line of diesel-electric and utility-powered electric air conditioning and heating units designed to service regional jet and commuter aircraft worldwide. These units employ environmentally safe R-410a refrigerant.

Designed with commercially available parts, the ACU-301 requires extremely low maintenance, yielding a long life span and consistently dependable operation. The ACU-301 can be optionally equipped with 28v DC power, which can be used simultaneously with the Air Conditioning.