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ARI, ASHRAE Adopt Standards

ARLINGTON, Va. — The Air-Conditioning and Refrigeration Institute (ARI) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) have jointly adopted 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: 10/24/2001” and 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: 10/24/2001” as American National Standards.

The American National Standards Institute (ANSI) approved the standards as American National Standards following their adoption by both ARI and ASHRAE.

ISO 13256-1-1998 serves as the basis for ARI’s Water-Source Heat Pump Certification Program. The standard establishes ratings criteria and procedures for measuring and certifying water-to-air heat pump and/or brine-to-air heat pump equipment performance.

In this way, products are rated on a uniform basis so that buyers and users can properly make selections for specific applications. ARI’s Water-Source Heat Pump Subsection’s certification program will be revised to incorporate the change. In addition, references to this standard appear in an updated version of ASHRAE 90.1, “Energy Efficient Design of New Buildings Except Low-Rise Residential Building.”

Publication date: 09/22/2003

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