Providing 39,000 BTU/h of cooling, the Classic 40 is the ideal plug-in air conditioner to cool gardens. The Classic 40?s unique design allows it to be located indoors or outdoors, it is designed to be in the weather if needed. It uses a self-contained, portable design. No 3rd party installation required. Just roll it in, plug it in, turn it on and you?re done. It's that simple (exhaust duct required in most cases). The Classic 40 features easy-to-use Digital Temperature Controls allowing automatic operation. There are many of easy to use accessories that allow you to adapt the Classic 40 to your particular garden design. Power: 3 phase, 60 Hz, 208/230V power. Dedicated circuit with 25 amp max fuse protection recommended. Uses a NEMA L15 - 30 plug. Typical power consumption during operation is 14 amps and 4200 watts. Unit weighs 344 lb unboxed and 396 lb boxed. Unit dimensions are 26 in W x 44 in D x 38 in T. Operating conditions are 75? - 115? F. Max Duct lengths are 40 ft on condenser (hot air) and on supply air (cold air) in varies. Noise level is 72 dB(A). Drop ship only.