Appliance Efficiency Standards

Appliance standards specify the minimum energy and/or water efficiency levels of specific residential and commercial products to maintain appliance performance and reduce utility bill costs.


On May 29, 2022, House Bill 772 was enacted as Chapter 564 of the Acts of the Maryland General Assembly of 2022. The legislation establishes minimum energy efficiency standards for eleven new products sold or installed in Maryland and establishes testing, certification, inspection, and enforcement procedures for ensuring compliance with established standards.​

Covered Products

Ch. 564, Acts of 2022 establishes efficiency standards for the following products:

  • Portable electric spas
  • Air purifiers
  • Commercial dishwashers
  • Commercial steam cookers
  • Faucets
  • Residential ventilating fans
  • Showerheads
  • Spray sprinkler bodies
  • Urinals
  • Water closets
  • Water coolers

Regulatory Process
On December 29, 2023, the proposed Maryland Strategic Energy Investment Program regulations were published in the Maryland Register and can be reviewed here. Comments may be sent to Landon Fahrig, Asst. Div. Dir. of Policy, Maryland Energy Administration, 1800 Washington Blvd., Suite 755, Baltimore, MD 21230, or call 410-537-4000, or email to
Comments will be accepted through January 29, 2024. A public hearing has not been scheduled.

Please refer to the Proposed Regulatory Changes webpage listed above for instructions on how to submit a public comment.

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