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ANSI/ASHRAE Standard 221-2020
Test Method to Field-Measure and Score the Cooling and Heating Performance of an Installed Unitary HVAC System
The purpose of this standard is to prescribe a field evaluation and test method to measure and score the performance, in terms of delivered cooling or heating capacity or cooling efficiency, of an installed unitary HVAC system. Dual units of measurement.
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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]
