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The Air-Conditioning and Refrigeration Institute (ARI) recently announced the publication of ANSI/ARI/ASHRAE ISO Standard 13256-1: 1998, Water-Source Heat Pumps — Testing and Rating for Performance — Part 1: Water-to-Air and Brine-to-Air Heat Pumps, and ANSI/ARI/ASHRAE ISO Standard 13256-2: 1998, Water-Source Heat Pumps — Testing and Rating for Performance — Part 2: Water-to-Water and Brine-to-Water Heat Pumps, which replace ARI Standard 320-1998, Water-Source Heat Pumps; ARI Standard 325-1998, Ground Water-Source Heat Pumps; and ARI Standard 330-1998, Ground Source Closed-Loop Heat Pumps.

For more information on the adoption of the ISO standards, contact ARI Director of International Standards Jim Walters at [email protected].

In other news, ARI recently announced the revision and approval for publication of ARI Standard 340/360-2004, Commercial and Industrial Unitary Air Conditioning and Heat Pump Equipment.

Standard 340/360 establishes definitions, classifications, test requirements, minimum data requirements for published ratings, operating requirements, marking and nameplate data, and conformance conditions. For a free copy, visit, or contact Duane Brown at [email protected].


The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) recently announced the publication of the second edition of “Rectangular Industrial Duct Construction Standards.”

The second edition expands the scope of the first, published in 1980, incorporating a revised theory of design, discussion of new materials, and more “user-friendly” tables.

The 446-page “Rectangular Industrial Duct Construction Standards” is available in book form, as a PDF download, and on CD-ROM. The list prices are $295, $295, and $354, respectively. The prices for engineers and architects are $212, $212, and $254, respectively. To order, call 703-803-2989, or visit

Send news items to the attention of Scott Arnold, managing editor, HPAC Engineering, The Penton Media Building, 1300 E. Ninth St., Cleveland, OH 44114-1503; e-mail: [email protected]; fax: 216-696-3432. Electronic submissions are preferred.

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