WINE GUARDIAN D050WC - DUCTED WATER COOLED UNIT- 60 HZThe D050WC wine cellar cooling unit is designed for medium sized residential and commercial environments. Available with an optional integral water cooled condensing coil and water regulating valve, this system is perfectly suited for geothermal, cooling tower, and lake water applications. Water cooled systems like the D050 offer the advantage of not needing to exhaust heat, making them more efficient. However, they do require a consistent year round