Abstract: A locking cover for preventing unauthorized access to the control panel of an air conditioner. The locking cover is adapted for use with an air conditioner having a control panel seated between a frame connected to the control panel access opening and a spongy pad. The locking cover defines a plate having a side wall to elevate the plate above the knobs of the control panel. The wall has an outwardly extending flange which is adapted for removably inserting between the panel and the frame wherein the gap for the insertion is provided by pressing the panel to compress the spongy pad. A key lock mounted adjacent to the opposite edge of the plate is rotated so that a latching member moves to a locking position between the panel and the opposite side of the frame.

Abstract: An air conditioner having an improved fresh air path from the outward compartment into the evaporator blower wheel. The evaporator blower motor is mounted on the outward side of the main partition and is spaced from the evaporator blower wheel by an air chamber that has a vent communicating with fresh air. Accordingly, the fresh air enters the evaporator blower wheel from the air chamber which is on the opposite side of the evaporator blower wheel from which the recirculation air enters. The more direct fresh air path provides a higher positive draft thus creating a higher percentage of fresh air in the mixture.