Energy Conservation Program: Notice of Petition for Waiver of Heat Transfer Products Group From the Department of Energy Walk-In Coolers and Walk-In Freezers Test Procedure and Notice of Grant of Interim Waiver

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This document announces receipt of and publishes a petition for waiver and interim waiver from Heat Transfer Products Group ("HTPG"), 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 HTPG 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 HTPG's petition and its suggested alternate test procedure so as to inform DOE's final decision on HTPG's waiver request.