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ANSI/ASHRAE 146-2020
Methods of Testing and Rating Pool Heaters
Provides methods of testing for rating pool heaters, provides methods of testing for heating capacity and energy efficiency, and applies to forced circulation heaters operated by gas, oil, and/or electricity - including heat pumps using ambient air, earth, water, or a brine solution as a heat source - and hybrid heaters. Dual units of measurement.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]