Most recent
ANSI/APSP/ICC 14-2019
American National Standard for Portable Electric Spa Energy Efficiency
This standard is to cover the test procedures and methodology for determining the energy efficiency of self-contained portable electric spas and hot tubs. This standard has been updated as a result of input from the California Energy Commission (CEC) and members of the International Hot Tub Association (IHTA). The update includes new formulas to calculate Allowable Standby Power, including inflatable spas, and new labeling requirements.
APSP: Association of pool and spa professionals [apsp]