The DP15CH home air conditioner offers energy-efficient cooling performance in one self-contained unit. It comes with a fully insulated blower compartment with convenient access panels. Energy-efficient compressor with internal relief valve, multi-speed ECM blower motor, and totally enclosed, permanently lubricated condensator fan motor are just a few features that come stock with this 15 SEER HVAC unit. The heavy-gauge galvanized steel enclosure with powder-coat finish will protect your unit from extreme outdoor conditions.