Consumer Dehumidifiers

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As defined in the Code of Federal Regulations (CFR), 10 CFR 430.2, “Dehumidifier” means a product, other than a portable air conditioner, room air conditioner, or packaged terminal air conditioner, that is a self-contained, electrically operated, and mechanically encased assembly consisting of: (1) A refrigerated surface (evaporator) that condenses moisture from the atmosphere; (2) A refrigerating system, including an electric motor; (3) An air-circulating fan; and (4) A means for collecting or disposing of the condensate. Manufacturers have been required to comply with the U.S. Department of Energy (DOE) energy conservation standards for residential dehumidifiers since 2007.

Current Standard | Current Test Procedure | Ongoing Rulemaking for Standards | Ongoing Rulemaking for Test Procedure | Helpful Links

Recent and Ongoing Activities

DOE has published a Federal Register notice amending its test procedure for dehumidifiers to reference the current version of an applicable industry standard; change the rating test period to be two hours; permit the use of sampling trees in conjunction with an aspirating psychrometer or relative humidity sensor; and provide additional specification for testing dehumidifiers with network capabilities. This rulemaking fulfills DOE’s obligation to review its test procedures for covered products at least once every seven years.

  • The effective date of this rule is  August 25, 2023.
  • The amendments will be mandatory for product testing starting January 22, 2024.
  • The incorporation by reference of certain material listed in this rule is approved by the Director of the Federal Register  August 25, 2023. The incorporation by reference of certain other materials listed in this rule were approved by the Director of the Federal Register as of April 6, 2012 and August 31, 2015.

For the latest information on the planned timing of future DOE regulatory milestones, see the current Office of Management and Budget Unified Agenda of Regulatory and Deregulatory Actions. All planned dates are preliminary and subject to change.


Notice of Availability of Preliminary TSD, Public Webinar and Request for Comment
Request for Information
  • Federal Register, 86FR29964 (June 4, 2021)

Final Rule; Technical Correction

Final Rule 

Final Rule 

Public Meeting Information:

There is no public meeting scheduled at this time.

Submitting Public Comments

The comment period is closed.

Test Procedure

Final Rule 
  • Federal Register, 88FR48035 (July 26, 2023)
Notice of Proposed Rulemaking
  • Federal Register, 87FR35286 (June 9, 2022)
Request for Information
  • Federal Register, 86FR34640 (June 30, 2021)

The residential dehumidifier test procedure rulemaking docket EERE-2014-BT-TP-0010 contains all notices, public comments, public meeting transcripts, and supporting documents pertaining to this rulemaking. 

Public Meeting Information

There is no public meeting scheduled at this time.

Submitting Public Comments

The comment period is closed.

Current Standard

Residential dehumidifiers manufactured and distributed in commerce, as defined by 42 U.S.C. 6291(16), must meet the energy conservation standards specified in the Code of Federal Regulations at 10 CFR 430.32(v).

Current Test Procedure

To determine that residential dehumidifiers that are currently manufactured or distributed into commerce are in compliance with current DOE standards, manufacturers must follow the test procedure methods specified at 10 CFR 430, Subpart B, Appendix X1

Helpful Links


DOE has established regulations on certification, compliance, and enforcement in the CFR at 10 CFR Part 429.  These regulations cover statistical sampling plans, certified ratings, certification reports, record retention, and enforcement.  More information on these regulations is available here.


For information on current test procedure waivers, see DOE’s Waivers webpage

For information about obtaining test procedure waivers, see 10 CFR 430.27.


DOE's Office of Hearings and Appeals has not authorized exception relief for residential dehumidifiers.

For information about obtaining exception relief, see 10 CFR part 1003.

Guidance and Frequently Asked Questions

For information on further guidance and answers to Frequently Asked Questions on all covered products, see DOE’s Further Guidance database

State Exemptions to Federal Pre-emption

DOE has not exempted any state from this energy conservation standard. States may petition DOE to exempt a state regulation from preemption by the Federal energy conservation standard. States may also petition DOE to withdraw such exemptions. For details, see 10 CFR part 430, subpart D.

Small Business Exemptions

Any manufacturer of a covered product with annual gross revenues that do not exceed $8,000,000 from all its operations and meets certain other conditions may apply for an exemption to the energy conservation standard. For details, see 10 CFR part 430, subpart E.


DOE supports the testing and verification of ENERGY STAR® products in close collaboration with the Environmental Protection Agency. ENERGY STAR qualified dehumidifiers use about 15% less energy than a conventional unit.

Find tips and guidance for making your home, workplace, or vehicle more energy efficient visit

Contact information

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