Lennox Packaged Units LRP16GEUp to 16 SEERUp to 81 AFUE LRP16HPUp to 16 SEERUp to 8.2 HSPF LRP14GEUp to 14 SEERUp to 81 AFUE LRP14GNUp to 14 SEERUp to 81 AFUE LRP14HPUp to 14 SEERUp to 8 HSPF LRP14ACUp to 14 SEER