No, the units are shipped fully assembled. To assure proper operation, please be sure to refer to the User Manual. Filters can be easily replaced. GTG suggests that you purchase replacement Annual Filter kits with your Water from Air AWG unit.
For inside units, the room temperature should be in the low 70's and the relative humidity at 75%. For outdoor units, the temperature ranges are 60 degrees F to 115 degrees F and Relative Humidity between 30% and almost 100%