Patent ID: 7628026

Claim:
A packaged terminal air conditioning (PTAC) unit comprising: a condenser coil positioned to receive outside air for channeling therethrough and thence to the outside; a first evaporator coil positioned to receive airflow from the enclosed space for channeling therethrough and thence to the enclosed space; a second evaporator coil positioned to receive airflow from the outside for channeling therethrough and thence to the enclosed space; and a compressor in fluid communication with the first and the second evaporator coil and the condenser coil and positioned for compressing refrigerant, for channeling the compressed refrigerant to the condenser coil and for receiving evaporated refrigerant from the first and the second evaporator coil; wherein the second evaporator coil is included in the PTAC unit interposed between the first evaporator coil and the condenser coil.