Date
Inquiry
Appliance manufacturers are no longer reporting MEF or WF information and are instead reporting Integrated Modified Energy Factor (IMEF) and Integrated Water Factor (IWF) for any residentially classified washing machines. ENERGY STAR appliances made this change in a recent update.
How should projects apply LEED credits that reference the old MEF and WF use the updated IMEF and IWF?
Ruling
There is no direct equivalency between MEF and IMEF, nor WF and IWF. Projects should use the ENERGY STAR performance thresholds for IMEF and IWF to meet LEED credit requirements.
Internationally Applicable
Off
Campus Applicable
Off