Lennox Packaged Units LRP14GEUp to 14 SEERUp to 13.4 SEER2Up to 81 AFUE LRP14HPUp to 14 SEERUp to 13.4 SEER2Up to 8 HSPFUp to 6.7 HSPF2 LRP14ACUp to 14 SEERUp to 13.4 SEER2