Wine Guardian D200 2 Ton Wine Cellar Cooling UnitThe Wine Guardian D200 is a ducted wine room cooling unit for large residential and commercial applications. The D200 is a fully ductable and self contained wine cooling unit. The D200 is a 60Hz system, which is standard in most of North America (incl. USA & Canada). Unit capacity is 8000 14,100 BTUH. Estimated Room Size: 3,000 5,500 cubic feet ***** Additional Information ***** Additionally, the D200 wine cellar cooling unit comes with many options