Site Feedback

Title 10

Displaying title 10, up to date as of 9/21/2021. Title 10 was last amended 9/20/2021.
There have been changes in the last two weeks to Subpart J.

Title 10

eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Subpart J - Fans and Blowers

86 FR 46590, Aug. 19, 2021, unless otherwise noted.

§ 431.171 Purpose and scope.

This subpart contains provisions regarding fans and blowers, pursuant to Part C of Title III of the Energy Policy and Conservation Act, as amended, 42 U.S.C. 6311-6317. This subpart does not cover “ceiling fans” as that term is defined and addressed in part 430 this chapter, nor does it cover “furnace fans” as that term is defined and addressed in part 430 of this chapter.

§ 431.172 Definition.

Fan or blower means a rotary bladed machine used to convert electrical or mechanical power to air power, with an energy output limited to 25 kilojoule (kJ)/kilogram (kg) of air. It consists of an impeller, a shaft and bearings and/or driver to support the impeller, as well as a structure or housing. A fan or blower may include a transmission, driver, and/or motor controller.

§§ 431.173-431.176 [Reserved]