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
The Maryland Energy Administration has drafted  proposed Regulations that will establish the rules and processes used to implement Ch. 564, Acts of 2022. The proposed Regulations are available for review here.

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

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