Lennox Packaged Units LRP16HPUp to 16 SEERUp to 15.2 SEER2Up to 8.2 HSPFUp to 6.7 HSPF2 LRP16GEUp to 16 SEERUp to 15.2 SEER2Up to 81 AFUE LRP14ACUp to 14 SEERUp to 13.4 SEER2 LRP14HPUp to 14 SEERUp to 13.4 SEER2Up to 8 HSPFUp to 6.7 HSPF2 LRP14GNUp to 14 SEERUp to 13.4 SEER2Up to 81 AFUE LRP14GEUp to 14 SEERUp to 13.4 SEER2Up to 81 AFUE