The SP50 Pro specialty cooling system unit for small to midsize residential and commercial specialty storage rooms such wine cellars or art and document preservation is a perfectly paired condensing unit and evaporator section that offers optional features such as electric heat, X-treme low ambient protection and high ambient protection. This wine cooling system has a max capacity of 5,770 BTU/H. The SP50 is compatible with modern smart thermostats and features enhanced refrigeration controls.