Evaporatively-Cooled Unitary Air Conditioners

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As defined in the Code of Federal Regulations (CFR), small, large, and very large commercial package air conditioners and heat pumps are air-cooled, water-cooled, evaporatively-cooled, or water source unitary air conditioners and heat pumps that are used for space conditioning of commercial and industrial buildings. 10 CFR 431.92. Manufacturers have been required to comply with the U.S. Department of Energy (DOE) energy conservation standards for small, large, and very large commercial package air conditioners and heat pumps since 1992.

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


Recent and Ongoing Activities

Request for Information

DOE has publishedFederal Register notice pertaining to energy conservation standards for evaporatively-coled commercial package air conditioners and water-cooled commercial package air conditioners.

  • Frequently Asked Questions on the Request for Information pertaining to Energy Conservation Standards for Evaporatively-Cooled Commercial Package Air Conditioners and Water-Cooled Commercial Package Air Conditioners

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.

Standards

DOE has published a Federal Register notice pertaining to energy conservation standards for evaporatively-coled commercial package air conditioners and water-cooled commercial package air conditioners. 84FR36480 (July 29, 2019)

DOE published a final rule amending energy conservation standards for small, large, and very large evaporatively-cooled commercial package air conditioners. 77 FR 28928 (May 16, 2012).

The rulemaking docket EERE-2011-BT-STD-0029 for energy conservation standard and test procedures for certain commercial heating, air conditioners, and water heating equipment (including evaporatively-cooled unitary air conditioners) 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.

Test Procedure

DOE has published a Federal Register notice initiating a data collection process through this request for information (RFI) regarding test procedures for evaporatively-cooled unitary air conditioners. 82 FR 34427 (July 25, 2017).

DOE published a final rule amending test procedures standards for small, large, and very large evaporatively-cooled commercial package air conditioners. 77 FR 28928 (May 16, 2012).

The rulemaking docket EERE-2011-BT-STD-0029 for energy conservation standard and test procedures for certain commercial heating, air conditioners, and water heating equipment (including evaporatively-cooled unitary air conditioners) 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

Comment period is closed.


Current Standard

Evaporatively-cooled unitary air-conditioners 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 431.97.


Current Test Procedure

To determine that evaporatively-cooled unitary air-conditioners that are currently manufactured or distributed into commerce are in compliance with DOE standards, manufacturers must follow the test procedure methods specified at 10 CFR 431.96.


Helpful Links

Compliance

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.

Waivers

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

For information about obtaining test procedure waivers, see 10 CFR part 431, subpart V.

Exceptions

DOE's Office of Hearings and Appeals has not authorized exception relief for evaporatively-cooled unitary air-conditioners.

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 431, subpart W.

Contact information

For more information related to this product, please email:

ApplianceStandardsQuestions@ee.doe.gov


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