ARLINGTON, Va. - The Air-Conditioning and Refrigeration Institute (ARI) has joined with the Canadian Standards Association (CSA) to revise ARI Standard 310/380 and CSA Standard C744 "Packaged Terminal Air Conditioners and Heat Pumps."
The joint standard supersedes the previous edition of the standard, published in 1993, which was based on the requirements of ARI Standard 310-90, "Packaged Terminal Air-Conditioners," and ARI Standard 380-90, "Packaged Terminal Heat Pumps."