Breezaire WKL-2200 Wine Cellar Cooling Unit (Max Room Size = 265 cu ft The gentle cooling action of the BREEZAIRE system maintains the relative humidity in the 50% to 75% These wine cellar cooling units are designed to cool 25 degrees less than the ambient temperature o Includes an adjustable thermostat to precisely control the conditions in the wine cellar All BREEZAIRE systems are engineered to be vibration free Hand assembled by skilled craftsmen in the U.S. using only the highest quality components