The Department of Energy has published a supplemental notice of proposed rulemaking to revise and expand its existing regulations governing the use of particular methods as alternatives to testing for commercial heating, ventilating, air-conditioning, water heating, and refrigeration equipment. 78 FR 62472 (October 22, 2013).

• Find more information on the rulemaking, including milestones, statutory authority, rulemaking documents, and any other related rulemakings.
• All notices, public comments, public meeting transcripts, and supporting documents associated with this rulemaking are included in Docket No. EERE-2011-BT-TP-0024.
• Find information about how to comment on the rulemaking. The public comment period closes November 21, 2013. When submitting comment, please only reference the Federal Register version of the notice.
• Find information about implementation, certification, and enforcement of standards and test procedures.