The Wine Guardian is the industry leader in self-contained wine cellar cooling systems. Completely self-contained and infinitely flexible, ducted systems are among the most versatile cooling systems on the market. Their design allows for easy installation and maintenance in both commercial and residential settings while providing optimal temperature and humidity control. With a variety of capacities and options, ducted units are capable of meeting the needs of virtually any wine preservation application. The 1/2 Ton unit boasts 5500 BTUH and can cool up to a 3000 cubic foot enclosure. It includes a factory installed High Ambient option that makes it capable of exposure to high ambient temperatures.