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ARI 870
- Direct Geoexchange Heat Pumps
- standard by Air-Conditioning, Heating, and Refrigeration Institute (formerly ARI), 09/01/2001
- Publisher: ARI
$15.00$30.00
The purpose of this standard is to establishfor Direct Geoexchange Heat Pumps: definitions;classification; test and rating requirements; minimum datarequirements for Published Ratings; operating requirements;marking and nameplate data; and conformance conditions.
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