Aura Systems is one of the first companies to offer ductless mini-split air conditioners to the Hydroponic industry. The Aura System mini-split units are designed to handle the stress and constant operation that is required to maintain proper temperature in a grow room. Constructed of high quality Japanese internal components using the highest grade pure copper coils and lines, our ductless mini-split units recirculates the air in the room keeping CO2, hot air from escaping your grow room.