This unit was purchased earlier this year for our lab, but due to changing demands and size limitations , we need to move this unit from our lab. The Controller on this unit is brand new, which was installed by Weiss (+$20000) The blower fans were replaced by our shop manager . They have never been used other than to turn on and check out . The chamber was recently (9/2) serviced by service tech. Chamber heats/cools as it should . Humidity was added (we have records of this ) to the chamber and works as it should as well. Much of the service records are available and we can share if / needed. Buyer is responsible for rigging and shipping. Unit is “as is “