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(Instantaneous Tankless Water Heaters, Commercial Boilers, PTACs and PTHPs, 3-Ph AC <65kBtu/h, and SPVUs)
The Energy Policy and Conservation Act (EPCA), as amended, establishes energy efficiency standards for various commercial equipment. The Department of Energy is assessing whether to adopt, as uniform national standards, efficiency standards contained in amendments to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE) and Illuminating Engineering Society of North America (IESNA) Standard 90.1 for certain types of commercial equipment. Such commercial equipment includes gas-fired instantaneous water heaters, packaged terminal air conditioners and heat pumps (PTACs and PTHPs), packaged boilers, three-phase air conditioners and heat pumps <65,000 Btu/h (3-Ph AC <65kBtu/h), and single-package vertical air conditioners and heat pumps, collectively known as single-package vertical units (SPVUs), covered by EPCA.
In addition, on August 8, 2005, the Energy Policy Act of 2005 (EPACT 2005) (Pub. L. 109-58) was signed into law by the President. Section 136(b) of EPACT 2005 amended section 342(a) of EPCA by inserting energy conservation standards for small (>65,000 Btu/h to <135,000 Btu/h), large (>135,000 Btu/h to <240,000 Btu/h), and very large (>240,000 Btu/h to <760,000 Btu/h) commercial PTACs and PTHPs. The standards for small, large and very large commercial PTACs and PTHPs in Section 136(b) of EPACT 2005, which amended section 431 of EPCA, implicitly cover SPVUs.
EPACT 2005 also included energy efficiency standards for some additional commercial equipment and those new standards appear in Tables I.1 and I.2 in the following notice.
Notice of Document Availability: Energy Efficiency Program for Commercial and Industrial Equipment: Efficiency Standards for Commercial Heating, Air-Conditioning and Water Heating Equipment, Federal Register, March 13, 2006 [71FR12634] (PDF 311 KB) Download Adobe Reader.
Some of the following documents are available as Adobe Acrobat PDFs. Download Adobe Reader.
Energy Conservation Standard Rulemaking
Draft Technical Support Document (TSD)
Technical Support Document (TSD): Energy Efficiency Standards for Certain Commercial and Industrial Equipment Covered by ASHRAE Standard 90.1, March 2, 2006 (PDF 869 KB)
Energy Policy Act of 2005 (EPAct 2005) (PDF 1.4 MB)
Referenced Correspondence
McCabe, M., personal communication. U.S. Department of Energy, Washington, DC. Letter to Karim Amrane, ARI. July 25, 2003. (PDF 1.5 MB)
McCabe, M., personal communication. U.S. Department of Energy, Washington, DC. Letter to Karim Amrane, ARI. March 16, 2004. (PDF 392 KB)
Murphy, M., Form for Commenting on a Public Review Draft ASHRAE Standard, Guideline, or Addendum: BSR/ASHRAE/IESNA Addendum b to ANSI/ASHRAE/IESNA Standard 90.1-2004, Energy Standard for Buildings Except Low-Rise Residential Buildings. U.S. Department of Energy, Washington, DC. January 10, 2005. (PDF 2.0 MB)
Previous Documents
"Appliance Standards Program — The FY 2003 Priority-Setting Summary Report and Actions Proposed," August 13, 2002 (PDF 265 KB)
- Appendix A: Technical Support Document (PDF 668 KB)
- Appendix B: Data Sheets for Existing Products (PDF 235 KB)
- Appendix C: Data Sheets for New Products (PDF 783 KB)
Web Page References
- Notices and rules, public workshops and hearings, priority setting and product webpages.
- Final Rule: Energy Efficiency Program for Commercial and Industrial Equipment: Efficiency Standards for Commercial Heating, Air Conditioning and Water Heating Equipment, Federal Register, January 12, 2001 (66 FR 3336) (PDF 630 KB)
- Notice of Preliminary Screening Analysis: Efficiency Standards for Commercial Heating Air Conditioning and Water heating Equipment, Federal Register, March 1, 2000 (65 FR 10984) (PDF 140 KB)
- Final Rule: Energy Efficiency Program for Certain Commercial and Industrial Equipment: Test Procedures and Efficiency Standards for Commercial Warm Air Furnaces: General Provisions for Commercial Heating, Air Conditioning and Water Heating Equipment; Energy Efficiency Provisions for Electric Motors, Federal Register, October 21, 2004 (69 FR 61916) (PDF 359 KB)
- Useful links to manufacturers and standards organizations.
Contact Information
Mohammed Khan
Project Manager
(202)586-7892
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