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Efficiency of Window units by vintage

Year EER < 24,000 Btu/hr EER ≥ 24,000 Btu/hr SEER < 24,000 Btu/hr SEER ≥ 24,000 Btu/hr Action
2025 < 24000 < 24000 >= 24000 >= 24000
2024 9.9 < 24000 < 24000 8.2 9.1 >= 24000 >= 24000 7.4
2023 9.8 < 24000 < 24000 8.3 9.0 >= 24000 >= 24000 7.5
2022 9.8 < 24000 < 24000 8.3 9.0 >= 24000 >= 24000 7.5
2021 9.8 < 24000 < 24000 8.34 9.0 >= 24000 >= 24000 7.55
2020 9.8 < 24000 < 24000 8.34 9.0 >= 24000 >= 24000 7.55
2019 9.8 < 24000 < 24000 8.34 9.0 >= 24000 >= 24000 7.55
2018 9.8 < 24000 < 24000 8.34 9.0 >= 24000 >= 24000 7.55
2017 9.7 < 24000 < 24000 N/A 9.7 >= 24000 >= 24000 N/A
2016 9.7 < 24000 < 24000 N/A 9.7 >= 24000 >= 24000 N/A
2015 8.5 < 24000 < 24000 N/A 8.5 >= 24000 >= 24000 N/A
2014 8.5 < 24000 < 24000 N/A 8.5 >= 24000 >= 24000 N/A
2013 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2012 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2011 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2010 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2009 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2008 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2007 6.0 < 24000 < 24000 N/A 6.0 >= 24000 >= 24000 N/A
2006 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2005 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2004 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2003 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2002 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2001 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
2000 5.8 < 24000 < 24000 N/A 5.8 >= 24000 >= 24000 N/A
1999 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1998 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1997 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1996 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1995 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1994 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1993 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1992 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1991 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1990 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1989 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1988 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1987 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1986 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1985 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1984 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1983 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1982 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1981 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A
1980 4.8 < 24000 < 24000 N/A 4.8 >= 24000 >= 24000 N/A