10 CFR 431.97 - Energy efficiency standards and their compliance dates.

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§ 431.97 Energy efficiency standards and their compliance dates.
(a) All basic models of commercial package air-conditioning and heating equipment must be tested for performance using the applicable DOE test procedure in § 431.96, be compliant with the applicable standards set forth in paragraphs (b) through (f) of this section, and be certified to the Department under 10 CFR part 429.
(b) Each commercial air conditioner or heat pump (not including single package vertical air conditioners and single package vertical heat pumps, packaged terminal air conditioners and packaged terminal heat pumps, computer room air conditioners, and variable refrigerant flow systems) manufactured on and after the compliance date listed in the corresponding table must meet the applicable minimum energy efficiency standard level(s) set forth in Tables 1, 2, and 3 of this section.
Table 1 to § 431.97 —Minimum Cooling Efficiency Standards for Air-Conditioning and Heating Equipment
[Not including single package vertical air conditioners and single package vertical heat pumps, packaged terminal air conditioners and packaged terminal heat pumps, computer room air conditioners, and variable refrigerant flow multi-split air conditioners and heat pumps]
Equipment type Cooling capacity Sub-category Heating type Efficiency level Compliance date: products manufactured on and after . . .
1 And manufactured before June 1, 2013. See Table 3 of this section for updated efficiency standards.
2 And manufactured before June 1, 2014. See Table 3 of this section for updated efficiency standards.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled, 3 Phase) <65,000 Btu/h AC HP All All SEER = 13 SEER = 13 June 16, 2008. June 16, 2008.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥65,000 Btu/h and <135,000 Btu/h AC No Heating or Electric Resistance Heating All Other Types of Heating EER = 11.2 EER = 11.0 January 1, 2010. January 1, 2010.
HP No Heating or Electric Resistance Heating EER = 11.0 January 1, 2010.
All Other Types of Heating EER = 10.8 January 1, 2010.
Large Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥135,000 Btu/h and <240,000 Btu/h AC No Heating or Electric Resistance Heating All Other Types of Heating EER = 11.0 EER = 10.8 January 1, 2010. January 1, 2010.
Heating Equipment (Air-Cooled) >240,000 Btu/h HP No Heating or Electric Resistance heating EER = 10.6 January 1, 2010.
All Other Types of Heating EER = 10.4 January 1, 2010.
Very Large Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥240,000 Btu/h and <760,000 Btu/h AC No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 10.0EER = 9.8 January 1, 2010.January 1, 2010.
HP No Heating or Electric Resistance Heating EER = 9.5 January 1, 2010.
All Other Types of Heating EER = 9.3 January 1, 2010.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled, Evaporatively-Cooled, and Water-Source) <17,000 Btu/h≥17,000 Btu/h and <65,000 Btu/h AC HP AC HP AllAll All All EER = 12.1EER = 11.2 EER = 12.1 EER = 12.0 October 29, 2003.October 29, 2003. October 29, 2003. October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h AC No Heating or Electric Resistance Heating EER = 11.5 October 29, 2003.1
All Other Types of Heating EER = 11.3 October 29, 2003.1
HP All EER = 12.0 October 29, 2003.1
Large Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled, Evaporatively-Cooled, and Water-Source) ≥135,000 Btu/h and <240,000 Btu/h ACHP AllAll EER = 11.0EER = 11.0 October 29, 2004.2 October 29, 2004.2
Very Large Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled, Evaporatively-Cooled, and Water-Source) ≥240,000 Btu/h and <760,000 Btu/h AC No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 11.0EER = 10.8 January 10, 2011.2 January 10, 2011.2
HP No Heating or Electric Resistance Heating EER = 11.0 January 10, 2011.2
All Other Types of Heating EER = 10.8 January 10, 2011.2
Table 2 to § 431.97 —Minimum Heating Efficiency Standards for Air-Conditioning and Heating Equipment
[Heat pumps]
Equipment type Cooling capacity Efficiency level Compliance date: Products manufactured on and after . . .
Small Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled, 3 Phase) <65,000 Btu/h HSPF = 7.7 June 16, 2008.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥65,000 Btu/h and <135,000 Btu/h COP = 3.3 January 1, 2010.
Large Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥135,000 Btu/h and <240,000 Btu/h COP = 3.2 January 1, 2010.
Very Large Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled) ≥240,000 Btu/h and <760,000 Btu/h COP = 3.2 January 1, 2010.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Water-Source) <135,000 Btu/h COP = 4.2 October 29, 2003.
Table 3 to § 431.97 —Updates to the Minimum Cooling Efficiency Standards for Water-Cooled and Evaporatively-Cooled Air-Conditioning and Heating Equipment
Equipment type Cooling capacity Heating type Efficiency level Compliance date: Products manufactured on and after . . .
Small Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled) ≥65,000 Btu/h and <135,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 12.1EER = 11.9 June 1, 2013.June 1, 2013.
Large Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled) ≥135,000 Btu/h and <240,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 12.5EER = 12.3 June 1, 2014.June 1, 2014.
Very Large Commercial Packaged Air-Conditioning and Heating Equipment (Water-Cooled) ≥240,000 Btu/h and <760,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 12.4EER = 12.2 June 1, 2014.June 1, 2014.
Small Commercial Packaged Air-Conditioning and Heating Equipment (Evaporatively-Cooled) ≥65,000 Btu/h and <135,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 12.1EER = 11.9 June 1, 2013.June 1, 2013.
Large Commercial Packaged Air-Conditioning and Heating Equipment (Evaporatively-Cooled) ≥135,000 Btu/h and <240,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 12.0EER = 11.8 June 1, 2014.June 1, 2014.
Very Large Commercial Packaged Air-Conditioning and Heating Equipment (Evaporatively-Cooled) ≥240,000 Btu/h and <760,000 Btu/h No Heating or Electric Resistance HeatingAll Other Types of Heating EER = 11.9EER = 11.7 June 1, 2014.June 1, 2014.
(c) Each packaged terminal air conditioner (PTAC) and packaged terminal heat pump (PTHP) manufactured on or after January 1, 1994, and before October 8, 2012 (for standard size PTACs and PTHPs) and before October 7, 2010 (for non-standard size PTACs and PTHPs) must meet the applicable minimum energy efficiency standard level(s) set forth in Table 4 of this section. Each PTAC and PTHP manufactured on or after October 8, 2012 (for standard size PTACs and PTHPs) and on or after October 7, 2010 (for non-standard size PTACs and PTHPs) must meet the applicable minimum energy efficiency standard level(s) set forth in Table 5 of this section.
Table 4 to § 431.97 —Minimum Efficiency Standards for PTAC and PTHP
Equipment type Cooling capacity Efficiency level Compliance date: products manufactured on and after . . .
1 “Cap” means cooling capacity in thousand Btu/h at 95 °F outdoor dry-bulb temperature.
2 The applicable minimum cooling EER prescribed in this table.
PTAC <7,000 Btu/h EER = 8.88 January 1, 1994.
≥7,000 Btu/h and <15,000 Btu/h EER = 10.0—(0.16 × Cap 1) January 1, 1994.
≥15,000 Btu/h EER = 7.6 January 1, 1994.
PTHP <7,000 Btu/h EER = 8.88COP = 2.72 January 1, 1994.
≥7,000 Btu/h and <15,000 Btu/h EER = 10.0—(0.16 × Cap 1)COP = 1.3 (0.16 × EER 2) January 1, 1994.
≥15,000 Btu/h EER = 7.6COP = 2.52 January 1, 1994.
Table 5 to § 431.97 —Updated Minimum Efficiency Standards for PTAC and PTHP
Equipment type Cooling capacity Sub-category Efficiency level Compliance date: Products manufactured on and after . . .
1 “Cap” means cooling capacity in thousand Btu/h at 95 °F outdoor dry-bulb temperature.
PTAC Standard Size <7,000 Btu/h EER = 11.7 October 8, 2012.
≥7,000 Btu/h and ≤15,000 Btu/h EER = 13.8 − (0.3 × Cap1) October 8, 2012.
>15,000 Btu/h EER = 9.3 October 8, 2012.
Non-Standard Size <7,000 Btu/h EER = 9.4 October 7, 2010.
≥7,000 Btu/h and ≤15,000 Btu/h EER = 10.9 − (0.213 × Cap1) October 7, 2010.
>15,000 Btu/h EER = 7.7 October 7, 2010.
PTHP Standard Size <7,000 Btu/h EER = 11.9COP = 3.3 October 8, 2012.
≥7,000 Btu/h and≤15,000 Btu/h EER = 14.0 − (0.3 × Cap1)COP = 3.7 − (0.052 × Cap1) October 8, 2012.
>15,000 Btu/h EER = 9.5COP = 2.9 October 8, 2012.
Non-Standard Size <7,000 Btu/h EER = 9.3COP = 2.7 October 7, 2010.
≥7,000 Btu/h and≤15,000 Btu/h EER = 10.8 − (0.213 × Cap1)COP = 2.9 − (0.026 × Cap1) October 7, 2010.
>15,000 Btu/h EER = 7.6COP = 2.5 October 7, 2010.
(d) Each single package vertical air conditioner and heat pump manufactured on or after January 1, 2010, must meet the applicable minimum energy efficiency standard level(s) set forth in this section.
Table 6 to § 431.97 Minimum Efficiency Standards for Single Package Vertical Air Conditioners and Single Package Vertical Heat Pumps
Equipment type Cooling capacity Sub-category Efficiency level Compliance date: Products manufactured on and after . . .
Single package vertical air conditioners and single package vertical heat pumps, single-phase and three-phase <65,000 Btu/h ACHP EER = 9.0EER = 9.0 COP = 3.0 January 1, 2010.January 1, 2010.
Single package vertical air conditioners and single package vertical heat pumps ≥65,000 Btu/h and <135,000 Btu/h ACHP EER = 8.9EER = 8.9 COP = 3.0 January 1, 2010.January 1, 2010.
Single package vertical air conditioners and single package vertical heat pumps ≥135,000 Btu/h and <240,000 Btu/h ACHP EER = 8.6EER = 8.6 COP = 2.9 January 1, 2010.January 1, 2010.
(e) Each computer room air conditioner with a net sensible cooling capacity less than 65,000 Btu/h manufactured on or after October 29, 2012, and each computer room air conditioner with a net sensible cooling capacity greater than or equal to 65,000 Btu/h manufactured on or after October 29, 2013, must meet the applicable minimum energy efficiency standard level(s) set forth in this section.
Table 7 to § 431.97 —Minimum Efficiency Standards for Computer Room Air Conditioners
Equipment type Net sensible cooling capacity Minimum SCOP efficiency Compliance date: Products manufactured on and after . . .
Downflow unit Upflow unit
Computer Room Air Conditioners, Air-Cooled <65,000 Btu/h≥65,000 Btu/h and <240,000 Btu/h 2.202.10 2.091.99 October 29, 2012.October 29, 2013.
≥240,000 Btu/h and <760,000 Btu/h 1.90 1.79 October 29, 2013.
Computer Room Air Conditioners, Water-Cooled <65,000 Btu/h≥65,000 Btu/h and <240,000 Btu/h 2.602.50 2.492.39 October 29, 2012.October 29, 2013.
≥240,000 Btu/h and <760,000 Btu/h 2.40 2.29 October 29, 2013.
Computer Room Air Conditioners, Water-Cooled with a Fluid Economizer <65,000 Btu/h≥65,000 Btu/h and <240,000 Btu/h ≥240,000 Btu/h and <760,000 Btu/h 2.552.45 2.35 2.442.34 2.24 October 29, 2012.October 29, 2013. October 29, 2013.
Computer Room Air Conditioners, Glycol-Cooled <65,000 Btu/h≥65,000 Btu/h and <240,000 Btu/h 2.502.15 2.392.04 October 29, 2012.October 29, 2013.
≥240,000 Btu/h and <760,000 Btu/h 2.10 1.99 October 29, 2013.
Computer Room Air Conditioner, Glycol-Cooled with a Fluid Economizer <65,000 Btu/h≥65,000 Btu/h and <240,000 Btu/h ≥240,000 Btu/h and <760,000 Btu/h 2.452.10 2.05 2.341.99 1.94 October 29, 2012.October 29, 2013. October 29, 2013.
(f) Each variable refrigerant flow air conditioner or heat pump manufactured on or after the compliance date listed in this table must meet the applicable minimum energy efficiency standard level(s) set forth in this section.
Table 8 to § 431.97 —Minimum Efficiency Standards for Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps
Equipment type Cooling capacity Heating type1 Efficiency level Compliance date: Products manufactured on and after . . .
1 VRF Multi-Split Heat Pumps (Air-Cooled) with heat recovery fall under the category of “All Other Types of Heating” unless they also have electric resistance heating, in which case it falls under the category for “No Heating or Electric Resistance Heating.”
VRF Multi-Split Air Conditioners (Air-Cooled) <65,000 Btu/h≥65,000 Btu/h and <135,000 Btu/h AllNo Heating or Electric Resistance Heating 13.0 SEER11.2 EER June 16, 2008.January 1, 2010.
All Other Types of Heating 11.0 EER January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h No Heating or Electric Resistance Heating 11.0 EER January 1, 2010.
All Other Types of Heating 10.8 EER January 1, 2010.
≥240,000 Btu/h and <760,000 Btu/h No Heating or Electric Resistance Heating 10.0 EER January 1, 2010.
All Other Types of Heating 9.8 EER January 1, 2010.
VRF Multi-Split Heat Pumps (Air-Cooled) <65,000 Btu/h All 13.0 SEER7.7 HSPF June 16, 2008.
≥65,000 Btu/h and <135,000 Btu/h No Heating or Electric Resistance Heating 11.0 EER3.3 COP January 1, 2010.
All Other Types of Heating 10.8 EER3.3 COP January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h No Heating or Electric Resistance Heating 10.6 EER3.2 COP January 1, 2010.
All Other Types of Heating 10.4 EER3.2 COP January 1, 2010.
≥240,000 Btu/h and <760,000 Btu/h No Heating or Electric Resistance Heating 9.5 EER3.2 COP January 1, 2010.
All Other Types of Heating 9.3 EER3.2 COP January 1, 2010.
VRF Multi-Split Heat Pumps(Water-Source)* * * <17,000 Btu/h Without heat recovery 12.0 EER4.2 COP October 29, 2012.October 29, 2003.
With heat recovery 11.8 EER4.2 COP October 29, 2012.October 29, 2003.
≥17,000 Btu/h and <65,000 Btu/h All 12.0 EER4.2 COP October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h All 12.0 EER4.2 COP October 29, 2003.
≥135,000 Btu/h and <760,000 Btu/h Without heat recovery 10.0 EER3.9 COP October 29, 2013.
With heat recovery 9.8 EER3.9 COP October 29, 2013
[77 FR 28991, May 16, 2012, as amended at 77 FR 76830, Dec. 31, 2012]

Title 10 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 10.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-05-09; vol. 79 # 90 - Friday, May 9, 2014
    1. 79 FR 26591 - Amendments and Correction to Petitions for Waiver and Interim Waiver for Consumer Products and Commercial and Industrial Equipment
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Final rule.
      The effective date of this rule is June 9, 2014.
      10 CFR Parts 430 and 431

Title 10 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 10 CFR 431 after this date.

  • 2014-05-09; vol. 79 # 90 - Friday, May 9, 2014
    1. 79 FR 26591 - Amendments and Correction to Petitions for Waiver and Interim Waiver for Consumer Products and Commercial and Industrial Equipment
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Final rule.
      The effective date of this rule is June 9, 2014.
      10 CFR Parts 430 and 431