Performance testing shows that this unit maintains optimal cellar temperature and humidity conditions in extreme conditions up to 110°F more effectively than similar units from competing brands. CellarPro units also are significantly quieter than comparable units from other brands. Our self-contained units are ready to go right out of the box. Or choose our split cooling units, with separate evaporators and condensers, to move the heat and noise to a remote location. Or choose from ducted air handler systems that can be self-contained or split, and can be configured to add heat and/or humidity.