KoolR Magnum Cooling UnitKoolR cooling units are small and sleek, through the wall units designed for smaller wine walls and cabinets. The KoolR line runs quietly for its class and all in all is a good value product. KoolR wine cellar cooling units are designed to blend into your cellar and adjacent exhaust room, as the silver grill can even be painted to match your dcor. Designed to be quick mounting, these units need to vent through a wall (preferably above a door) to an