The store will not work correctly in the case when cookies are disabled.
Due to scheduled maintenance, some website features will be unavailable on Saturday 10/29. We apologize for any inconvenience.
American Standard
M1 Conversion
Effective in 2023, we will see significant changes that will affect the HVAC industry minimum efficiency standards throughout the U.S. For decades, we’ve used the classic metrics of SEER, EER and HSPF. Going forward, you’ll hear these metrics referred to as SEER2, EER2 and HSPF2.
