11 EER, RGS Series, Single Compressor, 6 to 10 Ton, R410A, 11 EER, TZCGE Series, 6 to 12 1/2 Tons, R410A, Thermal Zone, 11 EER, RGS Series, Dual Compressor, 6 to 12 1/2 Ton, R410A, 9 EER, PGS Series, 6 to 12 1/2 Tons, R22 (while supplies last), 10 EER, RGS Series, 15 to 25 Ton, R410A, 11 EER, TZCGE Series, 15 to 25 Tons, R410A, Thermal Zone, 9 EER, PGS Series, 15 to 20 Tons, R22 (while supplies last), 10 EER, PGE Series, 6 to 12 1/2 Tons, R22 (while supplies last), 10 EER, PGEAA Series, 6 to 12 1/2 Tons, R22 (while supplies last), 10 EER, PGE Series, 15 to 20 Tons, R22 (while supplies last), 10 EER, PGEAA Series, 15 to 20 Tons, R22 (while supplies last), 8.5 EER, PGS Series, 25 Tons, R22, (whle supplies last)