The YH2F models are the newest offering in our successful LX Series split system heat pump lineup. These outdoor units are optimized for the new DOE 2023 Regulations as well as Energy Star 6.1 2023 to achieve 15.2 SEER2 / 7.8 HSPF2 and are specifically designed to be matched with York indoor coils, furnaces, and air handlers to provide a complete system solution.