This standard provides methods of testing for heating capacity and energy efficiency. This standard applies to heaters operated by gas@ oil@ or electricity@ including heat pumps using ambient air as a heat source. PURPOSE The purpose of this standard is to provide methods of testing and rating pool heaters.
ASHRAE 146-2011 history
2024ASHRAE 146-2020 Standard 146-2020 -- Methods of Test for Rating Pool Heaters (ANSI Approved)
2011ASHRAE 146-2011 Methods of Testing and Rating Pool Heaters
1998ASHRAE 146-1998 Method of Testing and Rating Pool Heaters