YES 50•2020 PS 32.2•2016 PS 30.2•2014 AS 21•2014 AS 20•2013 SEER 91.1•2013 PS 27.1•2011 YES 41.2•2011 YES 40.1/2•2010 AS 16•2009 PS 24.2•2008 YES 37.1•2007 AS 14•2006 YES 36.2•2006 YES 34•2004 YES 32•2002 AS 8•1997 AS 7•1996 YES 26•1996 AS 5•1994 AS 3•1992 AS 1•1990