Carrier KC A 12 1 P Type KC=Cooling KH=Electric Heat ZC=HP Model Series Controls A=Electronic D=Mechanical Voltage 1=115 3=230 BTU 06=6,000 Btu 08=8,000 Btu 12=12,000 Btu 18=18,000 Btu LG L WHD 24 00 H R LG Air Conditioner Remote Control Series WHD P Electric Heat BTU 8=8,000 Btu 10=10,000 Btu 14=14,000 Btu 24=24,000 Btu Model Series Haier ESA3 12 5 Series ESA3= Energy Star HWR=Electronic Control HWF=Mechanical Control BTU 06=6,000 Btu 08=8,000 Btu 10=10,000 Btu 12=12,000 Btu Style