[Code of Federal Regulations] [Title 10, Volume 3] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR431.97] [Page 424-426] TITLE 10--ENERGY CHAPTER II--DEPARTMENT OF ENERGY PART 431_ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT--Table of Contents Subpart F_Commercial Air Conditioners and Heat Pumps Sec. 431.97 Energy efficiency standards and their effective dates. (a) Each commercial air conditioner or heat pump manufactured on or after January 1, 1994 (except for large commercial package air- conditioning and heating equipment, for which the effective date is January 1, 1995) and before January 1, 2010 must meet the applicable minimum energy efficiency standard level(s) set forth in Tables 1 and 2 of this section. Table 1 to Sec. 431.97--Minimum Cooling Efficiency Levels -------------------------------------------------------------------------------------------------------------------------------------------------------- Efficiency level \1\ --------------------------------------------- Product Category Cooling capacity Sub-category Products manufactured Products manufactured until October 29, on and after October 2003 29, 2003 -------------------------------------------------------------------------------------------------------------------------------------------------------- Small Commercial Packaged Air Air Cooled, 3 phase... <65,000 Btu/h......... Split System......... SEER = 10.0.......... SEER = 10.0. Conditioning and Heating Equipment. -------------------------------------------------------------------- Single Package SEER = 9.7........... SEER = 9.7. -------------------------------------------------------------------------------------------------------------------- Air Cooled............ =65,000 Btu/ All.................. EER = 8.9............ EER = 8.9. h and <135,000 Btu/h. -------------------------------------------------------------------------------------------------------------------- [[Page 425]] Water Cooled <17,000 Btu/h......... AC................... EER = 9.3............ EER = 12.1. Evaporatively Cooled and Water-Source. -------------------------------------------------------------------- HP................... EER = 9.3............ EER = 11.2. -------------------------------------------------------------------------------------------- =17,000 Btu/ AC................... EER = 9.3............ EER = 12.1. h and <65,000 Btu/h. -------------------------------------------------------------------- HP................... EER = 9.3............ EER = 12.0. -------------------------------------------------------------------------------------------- =65,000 Btu/ AC................... EER = 10.5........... EER = 11.5.\2\ h and <135,000 Btu/h. -------------------------------------------------------------------- HP................... EER = 10.5........... EER = 12.0. -------------------------------------------------------------------------------------------------------------------------------------------------------- Large Commercial Packaged Air Air Cooled............ =135,000 All.................. EER = 8.5............ EER = 8.5. Conditioning and Heating Equipment. Btu/h and <240,000 Btu/h. -------------------------------------------------------------------------------------------------------------------- Water-Cooled and =135,000 All.................. EER = 9.6............ EER = 9.6.\3\ Evaporatively Cooled. and <240,000 Btu/h. -------------------------------------------------------------------------------------------------------------------------------------------------------- Packaged Terminal Air Conditioners All................... <7,000 Btu/h.......... All.................. EER = 8.88........... EER = 8.88. and Heat Pumps. ------------------------ --------------------------------------------- =7,000 Btu/ EER = 10.0 - (0.16 x EER = 10.0 - (0.16 x h and <=15,000 Btu/h. capacity [in kBtu/h capacity [in kBtu/h at 95 [deg]F outdoor at 95 [deg]F outdoor dry-bulb dry-bulb temperature]). temperature]). ------------------------ --------------------------------------------- 15,000 Btu/ ..................... EER = 7.6............ EER = 7.6. h. -------------------------------------------------------------------------------------------------------------------------------------------------------- \1\ For equipment rated according to the ARI standards, all EER values must be rated at 95 [deg]F outdoor dry-bulb temperature for air-cooled products and evaporatively-cooled products and at 85 [deg]F entering water temperature for water-cooled products. For water-source heat pumps rated according to the ISO standard, EER must be rated at 30 [deg]C (86 [deg]F) entering water temperature. \2\ Deduct 0.2 from the required EER for units with heating sections other than electric resistance heat. \3\ Effective 10/29/2004, the minimum value becomes EER = 11.0. Table 2 to Sec. 431.97--Minimum Heating Efficiency Levels -------------------------------------------------------------------------------------------------------------------------------------------------------- Efficiency level \1\ --------------------------------------------- Product Category Cooling capacity Sub-category Products manufactured Products manufactured until October 29, on and after October 2003 29, 2003 -------------------------------------------------------------------------------------------------------------------------------------------------------- Small Commercial Packaged Air Air Cooled, 3 Phase... <65,000 Btu/h......... Split System......... HSPF = 6.8........... HSPF = 6.8. Conditioning and Heating Equipment. -------------------------------------------------------------------- Single Package....... HSPF = 6.6........... HSPF = 6.6. -------------------------------------------------------------------------------------------------------------------- Water-source.......... <135,000 Btu/h........ Split System and COP = 3.8............ COP = 4.2. Single Package. -------------------------------------------------------------------------------------------------------------------- Air Cooled............ =65,000 Btu/ All.................. COP = 3.0............ COP = 3.0. h and <135,000 Btu/h. -------------------------------------------------------------------------------------------------------------------------------------------------------- [[Page 426]] Large Commercial Packaged Air Air Cooled............ =135,000 Split System and COP = 2.9............ COP = 2.9. Conditioning Package and Heating Btu/h and <240,000 Single Package. Equipment. Btu/h. -------------------------------------------------------------------------------------------------------------------------------------------------------- Packaged Terminal Heat Pumps....... All................... All................... All.................. COP = 1.3+(0.16 x the COP = 1.3+(0.16 x the applicable minimum applicable minimum cooling EER cooling EER prescribed in Table prescribed in Table 1--Minimum Cooling 1--Minimum Cooling Efficiency Levels). Efficiency Levels). -------------------------------------------------------------------------------------------------------------------------------------------------------- \1\ For units tested by ARI standards, all COP values must be rated at 47 [deg]F outdoor dry-bulb temperature for air-cooled products, and at 70 [deg]F entering water temperature for water-source heat pumps. For heat pumps tested by the ISO Standard 13256-1, the COP values must be obtained at the rating point with 20 [deg]C (68 [deg]F) entering water temperature. (b) Commercial package air conditioning and heating equipment manufactured on or after January 1, 2010, shall have Energy Efficiency Ratio and Coefficient of Performance no less than: ---------------------------------------------------------------------------------------------------------------- Cooling capacity (Btu/ Product h) Category Efficiency level[dagger] ---------------------------------------------------------------------------------------------------------------- Small commercial package air- =65,000 and AC................... EER = 11.2* conditioning and heating equipment <135,000. EER = 11.0** (air-cooled). HP................... EER = 11.0* EER = 10.8** Large commercial package air- =135,000 and AC................... EER = 11.0* conditioning and heating equipment <240,000. EER = 10.8** (air-cooled). HP................... EER = 10.6* EER = 10.4** Very large commercial package air- = 240,000 and AC................... EER = 10.0* conditioning (air-cooled). <760,000. EER = 9.8** HP................... EER = 9.5* EER = 9.3** Small commercial package air- =65,000 and HP................... COP = 3.3 conditioning heat pump. <135,000. Large commercial package air- =135,000 and HP................... COP = 3.2 conditioning heat pump. <240,000. Very large commercial package air- = 240,000 and HP................... COP = 3.2 conditioning heat pump. <760,000. ---------------------------------------------------------------------------------------------------------------- * This EER level applies to equipment that has electric resistance heat or no heating. ** This EER level applies to equipment with all other heating-system types that are integrated into the unitary equipment. [dagger]EER at a standard temperature rating of 95 [deg]F dry-bulb and COP at a high temperature rating of 47 [deg]F dry-bulb. [69 FR 61969, Oct. 21, 2004, as amended at 70 FR 60415, Oct. 18, 2005; 70 FR 61698, Oct. 25, 2005]