Top-Mount Air Conditioners replace the solid top in a standard assembly. Air conditioners require no hole cutting or special kits for installation. These air conditioners are available with cooling capacities of 2200 and 4000 BTU/hr. and are equipped with an adjustable thermostat for optimal enclosure temperature regulation. Installing this air conditioner on an enclosure maintains the Type 12 rating. Gasket kit, hardware for mounting to enclosure and condensate overflow drain hose is included.