Energy.gov

The U.S. Department of Energy’s Office of Enforcement issued a Notice of Noncompliance Determination (Notice) on October 11, 2012, to YMGI Group, LLC (YMGI) regarding through-the-wall split system central air conditioner basic model TTWC-18K-31B.  DOE enforcement testing revealed that this model operates at a Seasonal Energy Efficiency Rating (SEER) of 8.3.  The current federal standard requires that through-the-wall split system central air conditioners operate at a SEER of 12 or greater.