Important Note: The content on this page is archived and is no longer actively maintained.
Please visit the new product standard page for the latest information.


Test Procedure for Packaged Terminal Air Conditioners and Heat Pumps

Current Test Procedure

To determine compliance with DOE standards, manufacturers must follow the test procedures specified at 10 CFR 431.96 for packaged terminal air conditioners and packaged terminal heat pumps. These are also in the Electronic Code of Federal Regulations.

For further guidance or to submit questions related to the implementation of this test procedure, visit the Guidance and Frequently Asked Questions page.

Waivers, Exceptions, and Exemptions


Test procedure waivers have not been issued for PTACs or PTHPs. For more information, please see the table below.

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


The DOE Office of Hearings and Appeals has not authorized exception relief for PTACs or PTHPs.

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

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, 10 CFR 431 subpart V or subpart W.

Statutory Authority

The current energy conservation standards for commercial package air conditioners and heat pumps are mandated by Part A–1, the "Certain Industrial Equipment" of Title III of the Energy Policy and Conservation Act (EPCA), as amended. (42 U.S.C. 6311–6317). This equipment is treated as covered equipment under Part A-1. (42 U.S.C. 6311(1)(I))

Historical Information

Previous Standards

2007 Final Rule

2001 Final Rule

Helpful Links and Contact Information

Helpful Links

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

DOE supports the testing and verification of ENERGY STAR® products in close collaboration with the Environmental Protection Agency. ENERGY STAR qualified light commercial HVAC equipment uses 7-10% less energy than standard equipment.

Contact information

For more information related to the regulation of this product, please email: