Before 1950 1950-1959 1960-1969
1970-1979 1980-1989 1990-1999
2000-present    

1909


1956



1957


1958


1959


1961



1962



1964


1968


1970


1972


1973


1974


1975



1976


1977



1980



1982


1983


1985



1986


1988


1989


1990


1996


1997




1999



2000




2001




2002


2003


2004


2005





2006





2007



2008



2009


2010




2011



A. O. Smith introduced two new groundbreaking energy efficient platforms: 2Green high efficiency two-speed motor with integrated timer and V-Green, variable speed ECM.

Pool & Spa News thanks all of the manufacturers that participated in this sponsored timeline.