Search Search Search Ruud Series Ruud Series Achiever™ Series (1)Endeavor Line Achiever Plus Series (1)Endeavor Line Achiever Series (1)Ultra® Series (1) Sort by SEER Sort by SEER Sort by SEERHigh to LowLow to High SEER Value SEER Value Reset Sort by HSPF Sort by HSPF Sort by HSPFHigh to LowLow to High HSPF Value HSPF Value Reset ENERGY STAR® ENERGY STAR® Yes (2) RD17AZUp to 19 SEER2Up to 8.5 HSPF2 RP14AYUp to 15.2 SEER2Up to 7.8 HSPF2 UP20Up to 21.95 SEERUp to 15.3 EERUp to 11.5 HSPF RP14Up to 14 SEERUp to 11.5 EERUp to 9 HSPF
