YORK® Packaged Equipment PHG6Up to 16 SEERUp to 8.2 HSPFUp to 81 AFUE PHG4Up to 14 SEERUp to 8 HSPFUp to 81 AFUE PHE6Up to 16 SEERUp to 8.2 HSPF PHE4Up to 14 SEERUp to 8 HSPF PCG6Up to 16 SEERUp to 12.5 EERUp to 81 AFUE PCG4 Ultra Low NoxUp to 14 SEERUp to 11 EERUp to 81 AFUE PCG4Up to 14 SEERUp to 11 EERUp to 81 AFUE PCE6Up to 16 SEERUp to 12.5 EER PCE4Up to 14 SEERUp to 11 EER