CS050 - Ceiling Mounted Wine Cellar Cooling UnitDescription Wine Guardians CS050 ceiling mounted wine cooling unit is ideal for small to mid size wine rooms which cannot accommodate a traditional unit. This split system is ideal for applications such as all glass wine storage spaces and fits comfortably between standard joist construction. Maximum capacity is 4,300 BTU H. [The CS025 is a 60Hz system, which is standard in the majority of North and South America; if you need a comparable 50Hz system