Section 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-Loading | 1.60 | 8.5 |
| Front-Loading | 2.00 | 5.5 |
(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-Loading | 1.35 | 8.8 |
| Front-Loading | 2.00 | 4.1 |
76 FR 69123 , Nov. 8, 2011, as amended at 79 FR 74541 , Dec. 15, 2014; 81 FR 20529 , Apr. 8, 2016