Regulations last checked for updates: Oct 17, 2024

Title 10 - Energy last revised: Oct 10, 2024
§ 431.156 - Energy and water conservation standards and effective dates.

(a) Each commercial clothes washer manufactured on or after January 8, 2013, and before January 1, 2018, shall have a modified energy factor no less than and a water factor no greater than:

Equipment class Modified energy factor (MEF),
cu. ft./kWh/cycle
Water factor (WF),
gal./cu. ft./cycle
Top-Loading1.608.5
Front-Loading2.005.5

(b) Each commercial clothes washer manufactured on or after January 1, 2018 shall have a modified energy factor no less than and an integrated water factor no greater than:

Equipment class Modified energy factor (MEFJ2),
cu. ft./kWh/cycle
Integrated Water
factor (IWF),
gal./cu. ft./cycle
Top-Loading1.358.8
Front-Loading2.004.1
[76 FR 69123, Nov. 8, 2011, as amended at 79 FR 74541, Dec. 15, 2014; 81 FR 20529, Apr. 8, 2016]
source: 64 FR 54141, Oct. 5, 1999, unless otherwise noted.
cite as: 10 CFR 431.156