CFEI
Defined in 1 place of the United States Code.
For purposes of this subparagraph, the term “CFEI” means the Fan Energy Index for large-diameter ceiling fans, calculated in accordance with ANSI/AMCA Standard 208–18 titled “Calculation of the Fan Energy Index”, with the following modifications:
(I) Using an Airflow Constant (Q0) of 26,500 cubic feet per minute.
(II) Using a Pressure Constant (P0) of 0.0027 inches water gauge.
(III) Using a Fan Efficiency Constant (η0) of 42 percent.
Source
- 2021–202242 U.S.C. § 6295The Public Health and Welfare · Energy conservation standards · under this section
For purposes of this subparagraph, the term "CFEI" means the Fan Energy Index for large-diameter ceiling fans, calculated in accordance with ANSI/AMCA Standard 208–18 titled "Calculation of the Fan Energy Index", with the following modifications:
(I) Using an Airflow Constant (Q0) of 26,500 cubic feet per minute.
(II) Using a Pressure Constant (P0) of 0.0027 inches water gauge.
(III) Using a Fan Efficiency Constant (η0) of 42 percent.
Source
- 2020–present42 U.S.C. § 6295The Public Health and Welfare · Energy conservation standards · under this section