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ANSI/APSP/ICC 15a-2013
American National Standard for Residential Swimming Pool and Spa Energy Efficiency
This standard covers energy efficiency requirements for permanently installed residential aboveground/ onground and inground swimming pools and inground spas operated by the property owner and used for bathing. This standard is intended to cover certain aspects of the swimming pool filtration -system design; equipment, including pool and spa heaters; installation; and operational capabilities, for the purpose of minimizing energy consumption while maintaining water quality and temperature.
APSP: Association of pool and spa professionals [apsp]