Department of Energy February 18, 2021 – Federal Register Recent Federal Regulation Documents

This document announces receipt of and publishes a petition for waiver and interim waiver from Hussmann Corporation (``Hussmann''), which seeks a waiver for specified carbon dioxide (``CO2'') direct expansion unit cooler basic models from the U.S. Department of Energy (``DOE'') test procedure used to determine the efficiency of walk-in cooler and walk-in freezer refrigeration systems. DOE also gives notice of an Interim Waiver Order that requires Hussmann to test and rate the specified CO2 direct expansion unit cooler basic models in accordance with the alternate test procedure set forth in the Interim Waiver Order. DOE solicits comments, data, and information concerning Hussmann's petition and its suggested alternate test procedure so as to inform DOE's final decision on Hussmann's waiver request.