Table 1 to § 431.97(b) -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, variable refrigerant flow multi-split air conditioners and heat pumps, and double-duct air-cooled commercial package air conditioning and heating equipment]
Equipment type | Cooling capacity | Subcategory | Heating type | Efficiency level | Compliance date: equipment manufactured starting on . . . |
Small Commercial Package Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | AC | No Heating or Electric Resistance Heating All Other Types of Heating | EER = 11.2 EER = 11.0 | January 1, 2010.1 January 1, 2010.1 |
HP | No Heating or Electric Resistance Heating | EER = 11.0 | January 1, 2010.1 | ||
All Other Types of Heating | EER = 10.8 | January 1, 2010.1 | |||
Large Commercial Package Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 11.0 | January 1, 2010.1 |
All Other Types of Heating | EER = 10.8 | January 1, 2010.1 | |||
HP | No Heating or Electric Resistance Heating | EER = 10.6 | January 1, 2010.1 | ||
All Other Types of Heating | EER = 10.4 | January 1, 2010.1 | |||
Very Large Commercial Package Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 10.0 | January 1, 2010.1 |
All Other Types of Heating | EER = 9.8 | January 1, 2010.1 | |||
HP | No Heating or Electric Resistance Heating | EER = 9.5 | January 1, 2010.1 | ||
All Other Types of Heating | EER = 9.3 | January 1, 2010.1 | |||
Small Commercial Package Air Conditioning and Heating Equipment (Water-Cooled) | [LESS THAN]65,000 Btu/h [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | AC AC | All No Heating or Electric Resistance Heating | EER = 12.1 EER = 12.1 | October 29, 2003. June 1, 2013. |
All Other Types of Heating | EER = 11.9 | June 1, 2013. | |||
Large Commercial Package Air Conditioning and Heating Equipment (Water-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 12.5 | June 1, 2014. |
All Other Types of Heating | EER = 12.3 | June 1, 2014. | |||
Very Large Commercial Package Air Conditioning and Heating Equipment (Water-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 12.4 | June 1, 2014. |
All Other Types of Heating | EER = 12.2 | June 1, 2014. | |||
Small Commercial Package Air Conditioning and Heating Equipment (Evaporatively-Cooled) | [LESS THAN]65,000 Btu/h [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | AC AC | All No Heating or Electric Resistance Heating | EER = 12.1 EER = 12.1 | October 29, 2003. June 1, 2013. |
All Other Types of Heating | EER = 11.9 | June 1, 2013. | |||
Large Commercial Package Air Conditioning and Heating Equipment (Evaporatively-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 12.0 | June 1, 2014. |
All Other Types of Heating | EER = 11.8 | June 1, 2014. | |||
Very Large Commercial Package Air Conditioning and Heating Equipment (Evaporatively-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | AC | No Heating or Electric Resistance Heating | EER = 11.9 | June 1, 2014. |
All Other Types of Heating | EER = 11.7 | June 1, 2014. | |||
Small Commercial Package Air-Conditioning and Heating Equipment (Water-Source: Water-to-Air, Water-Loop) | [LESS THAN]17,000 Btu/h [GREATER THAN EQUAL TO]17,000 Btu/h and [LESS THAN]65,000 Btu/h | HP HP | All All | EER = 11.2 EER = 12.0 | October 29, 2003.2 October 29, 2003.2 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | HP | All | EER = 12.0 | October 29, 2003.2 |
1 And manufactured before January 1, 2018. See Table 3 of this section for updated efficiency standards.
2 And manufactured before October 9, 2015. See Table 3 of this section for updated efficiency standards.
Table 2 to § 431.97(b) -Minimum Heating Efficiency Standards for Air Conditioning and Heating Equipment
[Heat pumps]
[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, variable refrigerant flow multi-split air conditioners and heat pumps, and double-duct air-cooled commercial package air conditioning and heating equipment]
Equipment type | Cooling capacity | Efficiency level | Compliance date: equipment manufactured starting on . . . |
Small Commercial Package Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | COP = 3.3 | January 1, 2010.1 |
Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | COP = 3.2 | January 1, 2010.1 |
Very Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | COP = 3.2 | January 1, 2010.1 |
Small Commercial Package Air Conditioning and Heating Equipment (Water-Source: Water-to-Air, Water-Loop) | [LESS THAN]135,000 Btu/h | COP = 4.2 | October 29, 2003.2 |
1 And manufactured before January 1, 2018. See Table 4 of this section for updated efficiency standards.
2 And manufactured before October 9, 2015. See Table 4 of this section for updated efficiency standards.
Table 3 to § 431.97 ( b )-Updates to the 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, variable refrigerant flow multi-split air conditioners and heat pumps, and double-duct air-cooled commercial package air conditioning and heating equipment]
Equipment type | Cooling capacity | Subcategory | Heating type | Efficiency level | Compliance date: equipment manufactured starting on . . . |
Small Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | AC | Electric Resistance Heating or No Heating | IEER = 12.9 IEER = 14.8 | January 1, 2018.1 January 1, 2023. |
All Other Types of Heating | IEER = 12.7 IEER = 14.6 | January 1, 2018.1 January 1, 2023. | |||
HP | Electric Resistance Heating or No Heating | IEER = 12.2 IEER = 14.1 | January 1, 2018.1 January 1. 2023. | ||
All Other Types of Heating | IEER = 12.0 IEER = 13.9 | January 1, 2018.1 January 1, 2023. | |||
Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | AC | Electric Resistance Heating or No Heating | IEER = 12.4 IEER = 14.2 | January 1, 2018.1 January 1, 2023. |
All Other Types of Heating | IEER = 12.2 IEER = 14.0 | January 1, 2018.1 January 1, 2023. | |||
HP | Electric Resistance Heating or No Heating | IEER = 11.6 IEER = 13.5 | January 1, 2018.1 January 1, 2023. | ||
All Other Types of Heating | IEER = 11.4 IEER = 13.3 | January 1, 2018.1 January 1, 2023. | |||
Very Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | AC | Electric Resistance Heating or No Heating | IEER = 11.6 IEER = 13.2 | January 1, 2018.1 January 1, 2023. |
All Other Types of Heating | IEER = 11.4 IEER = 13.0 | January 1, 2018.1 January 1, 2023. | |||
HP | Electric Resistance Heating or No Heating | IEER = 10.6 IEER = 12.5 | January 1, 2018.1 January 1, 2023. | ||
All Other Types of Heating | IEER = 10.4 IEER = 12.3 | January 1, 2018.1 January 1, 2023. | |||
Small Commercial Packaged Air-Conditioning and Heating Equipment (Water-Source: Water-to-Air, Water-Loop) | [LESS THAN]17,000 Btu/h [GREATER THAN EQUAL TO]17,000 Btu/h and [LESS THAN]65,000 Btu/h | HP HP | All All | EER = 12.2 EER = 13.0 | October 9, 2015. October 9, 2015. |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | HP | All | EER = 13.0 | October 9, 2015. |
1 And manufactured before January 1, 2023.
Table 4 to § 431.97 ( b )-Updates to the Minimum Heating Efficiency Standards for Air Conditioning and Heating Equipment
[Heat pumps]
[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, variable refrigerant flow multi-split air conditioners and heat pumps, and double-duct air-cooled commercial package air conditioning and heating equipment]
Equipment type | Cooling capacity | Efficiency level 1 | Compliance date: equipment manufactured starting on . . . |
Small Commercial Package Air Conditioning and Heating Equipment (Water-Source: Water-to-Air, Water-Loop) | [LESS THAN]135,000 Btu/h | COP = 4.3 | October 9, 2015. |
Small Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | COP = 3.3 COP = 3.4 | January 1, 2018.2 January 1, 2023. |
Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | COP = 3.2 COP = 3.3 | January 1, 2018.2 January 1, 2023. |
Very Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | COP = 3.2 | January 1, 2018 |
1 For units tested using the relevant AHRI Standards, all COP values must be rated at 47 °F outdoor dry-bulb temperature for air-cooled equipment.
2 And manufactured before January 1, 2023.
Table 5 to § 431.97(b) -Minimum Cooling Efficiency Standards for Double-Duct Air-Conditioning and Heating Equipment
Equipment type | Cooling capacity | Subcategory | Heating type | Efficiency level | Compliance date: Equipment manufactured starting on . . . |
Small Double-Duct Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO] 65,000 Btu/h and <135,000 Btu/h | AC | Electric Resistance Heating or No Heating | EER = 11.2 | January 1, 2010. |
All Other Types of Heating | EER = 11.0 | January 1, 2010. | |||
HP | Electric Resistance Heating or No Heating | EER = 11.0 | January 1, 2010. | ||
All Other Types of Heating | EER = 10.8 | January 1, 2010. | |||
Large Commercial Double-Duct Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO] 135,000 Btu/h and <240,000 Btu/h | AC | Electric Resistance Heating or No Heating | EER = 11.0 | January 1, 2010. |
All Other Types of Heating | EER = 10.8 | January 1, 2010. | |||
HP | Electric Resistance Heating or No Heating | EER = 10.6 | January 1, 2010. | ||
All Other Types of Heating | EER = 10.4 | January 1, 2010. | |||
Very Large Double-Duct Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled) | [GREATER THAN EQUAL TO] 240,000 Btu/h and <300,000 Btu/h | AC | Electric Resistance Heating or No Heating | EER = 10.0 | January 1, 2010. |
All Other Types of Heating | EER = 9.8 | January 1, 2010. | |||
HP | Electric Resistance Heating or No Heating | EER = 9.5 | January 1, 2010. | ||
All Other Types of Heating | EER = 9.3 | January 1, 2010. |
Table 6 to § 431.97(b) -Minimum Heating Efficiency Standards for Double-Duct Air-Cooled Air Conditioning and Heating Equipment
[Heat pumps]
Equipment type | Cooling capacity | Heating type | Efficiency level1 | Compliance date: Equipment manufactured starting on ... |
Small Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled, Double-Duct) | [GREATER THAN EQUAL TO] 65,000 Btu/h and <135,000 Btu/h | Electric Resistance Heating or No Heating | COP = 3.3 | January 1, 2010. |
All Other Types of Heating | COP = 3.3 | January 1, 2010. | ||
Large Commercial Packaged Air-Conditioning and Heating Equipment (Air-Cooled, Double-Duct) | [GREATER THAN EQUAL TO] 135,000 Btu/h and <240,000 Btu/h | Electric Resistance Heating or No Heating | COP = 3.2 | January 1, 2010. |
All Other Types of Heating | COP = 3.2 | January 1, 2010. | ||
Very Large Commercial Packaged Air Conditioning and Heating Equipment (Air-Cooled, Double-Duct) | [GREATER THAN EQUAL TO] 240,000 Btu/h and <300,000 Btu/h | Electric Resistance Heating or No Heating | COP = 3.2 | January 1, 2010. |
All Other Types of Heating | COP = 3.2 | January 1, 2010. |
1For units tested using the relevant AHRI Standards, all COP values must be rated at 47 °F outdoor dry-bulb temperature for air-cooled equipment.
Table 7 to § 431.97(c) -Minimum Efficiency Standards for PTAC and PTHP
Equipment type | Category | Cooling capacity | Efficiency level | Compliance date: products manufactured on and after . . . |
PTAC | Standard Size | <7,000 Btu/h | EER = 11.7 | October 8, 2012.2 |
[GREATER THAN EQUAL TO] 7,000 Btu/h and [LESS THAN EQUAL TO] 15,000 Btu/h | EER = 13.8-(0.3 * Cap1) | October 8, 2012.2 | ||
<15,000 Btu/h | EER = 9.3 | October 8, 2012.2 | ||
Non-Standard Size | <7,000 Btu/h | EER = 9.4 | October 7, 2010. | |
[GREATER THAN EQUAL TO] 7,000 Btu/h and [LESS THAN EQUAL TO] 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 = 11.9 COP = 3.3 | October 8, 2012. |
[GREATER THAN EQUAL TO] 7,000 Btu/h and [LESS THAN EQUAL TO] 15,000 Btu/h | EER = 14.0-(0.3 * Cap1) COP = 3.7-(0.052 * Cap1) | October 8, 2012. | ||
<15,000 Btu/h | EER = 9.5 COP = 2.9 | October 8, 2012. | ||
Non-Standard Size | <7,000 Btu/h | EER = 9.3 COP = 2.7 | October 7, 2010. | |
[GREATER THAN EQUAL TO] 7,000 Btu/h and [LESS THAN EQUAL TO] 15,000 Btu/h | EER = 10.8-(0.213 * Cap1) COP = 2.9-(0.026 * Cap1) | October 7, 2010. | ||
<15,000 Btu/h | EER = 7.6 COP = 2.5 | October 7, 2010. |
1"Cap" means cooling capacity in thousand Btu/h at 95 °F outdoor dry-bulb temperature.
2And manufactured before January 1, 2017. See Table 8 of this section for updated efficiency standards that apply to this category of equipment manufactured on and after January 1, 2017.
Table 8 to § 431.97(c) -Updated Minimum Efficiency Standards for PTAC
Equipment type | Category | Cooling capacity | Efficiency level | Compliance date: products manufactured on and after . . . |
PTAC | Standard Size | <7,000 Btu/h | EER = 11.9 | January 1, 2017. |
[GREATER THAN EQUAL TO] 7,000 Btu/h and [LESS THAN EQUAL TO] 15,000 Btu/h | EER = 14.0-(0.3 * Cap1) | January 1, 2017. | ||
<15,000 Btu/h | EER = 9.5 | January 1, 2017. |
1 "Cap" means cooling capacity in thousand Btu/h at °F outdoor dry-bulb temperature.
Table 9 to § 431.97(d)(1) -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 | AC HP | EER = 9.0 EER = 9.0 COP = 3.0 | January 1, 2010 January 1, 2010 |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 65,000 Btu/h and <135,000 Btu/h | AC HP | EER = 8.9 EER = 8.9 COP = 3.0 | January 1, 2010 January 1, 2010 |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 135,000 Btu/h and <240,000 Btu/h | AC HP | EER = 8.6 EER = 8.6 COP = 2.9 | January 1, 2010 January 1, 2010 |
Table 10 to § 431.97(d)(2) -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 | AC HP | EER = 9.0 EER = 9.0 COP = 3.0 | January 1, 2010 January 1, 2010 |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 65,000 Btu/h and <135,000 Btu/h | AC HP | EER = 10.0 EER = 10.0 COP = 3.0 | October 9, 2015 October 9, 2015 |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 135,000 Btu/h and <240,000 Btu/h | AC HP | EER = 10.0 EER = 10.0 COP = 3.0 | October 9, 2016 October 9, 2016 |
Table 11 to § 431.97(d)(3) -Updated 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 | AC HP | EER = 11.0 EER = 11.0 COP = 3.3 | September 23, 2019. September 23, 2019. |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 65,000 Btu/h and <135,000 Btu/h | AC HP | EER = 10.0 EER = 10.0 COP = 3.0 | October 9, 2015. October 9, 2015. |
Single package vertical air conditioners and single package vertical heat pumps | [GREATER THAN EQUAL TO] 135,000 Btu/h and <240,000 Btu/h | AC HP | EER = 10.0 EER = 10.0 COP = 3.0 | October 9, 2016. October 9, 2016. |
Table 12 to § 431.97(e)(1) -Minimum Efficiency Standards for Computer Room Air Conditioners
Equipment type | Net sensible cooling capacity | Minimum SCOP efficiency | |
Downflow | Upflow | ||
Air-Cooled | [LESS THAN]65,000 Btu/h | 2.20 | 2.09 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.10 | 1.99 | |
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.90 | 1.79 | |
Water-Cooled | [LESS THAN]65,000 Btu/h | 2.60 | 2.49 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.50 | 2.39 | |
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.40 | 2.29 | |
Water-Cooled with Fluid Economizer | [LESS THAN]65,000 Btu/h | 2.55 | 2.44 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.45 | 2.34 | |
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.35 | 2.24 | |
Glycol-Cooled | [LESS THAN]65,000 Btu/h | 2.50 | 2.39 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.15 | 2.04 | |
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.10 | 1.99 | |
Glycol-Cooled with Fluid Economizer | [LESS THAN]65,000 Btu/h | 2.45 | 2.34 |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.10 | 1.99 | |
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.05 | 1.94 |
Table 13 to § 431.97(e)(2) -Updated Minimum Efficiency Standards for Floor-Mounted Computer Room Air Conditioners
Equipment type | Downflow and upflow ducted | Upflow non-ducted and horizontal flow | ||||
Net sensible cooling capacity | Minimum NSenCOP efficiency | Net sensible cooling capacity | Minimum NSenCOP efficiency | |||
Downflow | Upflow ducted | Upflow non-ducted | Horizontal flow | |||
Air-Cooled | [LESS THAN]80,000 Btu/h | 2.70 | 2.67 | [LESS THAN]65,000 Btu/h | 2.16 | 2.65 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.58 | 2.55 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.04 | 2.55 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.36 | 2.33 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.89 | 2.47 | |
Air-Cooled with Fluid Economizer | [LESS THAN]80,000 Btu/h | 2.70 | 2.67 | [LESS THAN]65,000 Btu/h | 2.09 | 2.65 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.58 | 2.55 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 1.99 | 2.55 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.36 | 2.33 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.81 | 2.47 | |
Water-Cooled | [LESS THAN]80,000 Btu/h | 2.82 | 2.79 | [LESS THAN]65,000 Btu/h | 2.43 | 2.79 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.73 | 2.70 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.32 | 2.68 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.67 | 2.64 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.20 | 2.60 | |
Water-Cooled with Fluid Economizer | [LESS THAN]80,000 Btu/h | 2.77 | 2.74 | [LESS THAN]65,000 Btu/h | 2.35 | 2.71 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.68 | 2.65 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 2.24 | 2.60 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.61 | 2.58 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.12 | 2.54 | |
Glycol-Cooled | [LESS THAN]80,000 Btu/h | 2.56 | 2.53 | [LESS THAN]65,000 Btu/h | 2.08 | 2.48 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.24 | 2.21 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 1.90 | 2.18 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.21 | 2.18 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.81 | 2.18 | |
Glycol-Cooled with Fluid Economizer | [LESS THAN]80,000 Btu/h | 2.51 | 2.48 | [LESS THAN]65,000 Btu/h | 2.00 | 2.44 |
[GREATER THAN EQUAL TO]80,000 Btu/h and [LESS THAN]295,000 Btu/h | 2.19 | 2.16 | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]240,000 Btu/h | 1.82 | 2.10 | |
[GREATER THAN EQUAL TO]295,000 Btu/h and [LESS THAN]930,000 Btu/h | 2.15 | 2.12 | [GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.73 | 2.10 |
Table 14 to § 431.97(e)(2) -Minimum Efficiency Standards for Ceiling-Mounted Computer Room Air Conditioners
Equipment type | Net sensible cooling capacity | Minimum NSenCOP efficiency | |
Ducted | Non-ducted | ||
Air-Cooled with Free Air Discharge Condenser | [LESS THAN]29,000 Btu/h | 2.05 | 2.08 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 2.02 | 2.05 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.92 | 1.94 | |
Air-Cooled with Free Air Discharge Condenser and Fluid Economizer | [LESS THAN]29,000 Btu/h | 2.01 | 2.04 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 1.97 | 2 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.87 | 1.89 | |
Air-Cooled with Ducted Condenser | [LESS THAN]29,000 Btu/h | 1.86 | 1.89 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 1.83 | 1.86 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.73 | 1.75 | |
Air-Cooled with Fluid Economizer and Ducted Condenser | [LESS THAN]29,000 Btu/h | 1.82 | 1.85 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 1.78 | 1.81 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.68 | 1.7 | |
Water-Cooled | [LESS THAN]29,000 Btu/h | 2.38 | 2.41 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 2.28 | 2.31 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.18 | 2.2 | |
Water-Cooled with Fluid Economizer | [LESS THAN]29,000 Btu/h | 2.33 | 2.36 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 2.23 | 2.26 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 2.13 | 2.16 | |
Glycol-Cooled | [LESS THAN]29,000 Btu/h | 1.97 | 2 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 1.93 | 1.98 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.78 | 1.81 | |
Glycol-Cooled with Fluid Economizer | [LESS THAN]29,000 Btu/h | 1.92 | 1.95 |
[GREATER THAN EQUAL TO]29,000 Btu/h and [LESS THAN]65,000 Btu/h | 1.88 | 1.93 | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]760,000 Btu/h | 1.73 | 1.76 |
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Table 15 to § 431.97(f)(1) -Minimum Efficiency Standards for Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps
Equipment type | Cooling capacity | Heating type 1 | Efficiency level | Compliance date: equipment manufactured on and after . . . |
VRF Multi-Split Air Conditioners (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | No Heating or Electric Resistance Heating | 11.2 EER | January 1, 2010. |
All Other Types of Heating | 11.0 EER | January 1, 2010. | ||
[GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]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. | ||
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]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) | [GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | No Heating or Electric Resistance Heating | 11.0 EER, 3.3 COP | January 1, 2010. |
All Other Types of Heating | 10.8 EER, 3.3 COP | January 1, 2010. | ||
[GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]240,000 Btu/h | No Heating or Electric Resistance Heating | 10.6 EER, 3.2 COP | January 1, 2010. | |
All Other Types of Heating | 10.4 EER, 3.2 COP | January 1, 2010. | ||
[GREATER THAN EQUAL TO]240,000 Btu/h and [LESS THAN]760,000 Btu/h | No Heating or Electric Resistance Heating | 9.5 EER, 3.2 COP | January 1, 2010. | |
All Other Types of Heating | 9.3 EER, 3.2 COP | January 1, 2010. | ||
VRF Multi-Split Heat Pumps (Water-Source) | [LESS THAN]17,000 Btu/h | Without Heat Recovery | 12.0 EER 4.2 COP | October 29, 2012. October 29, 2003. |
With Heat Recovery | 11.8 EER 4.2 COP | October 29, 2012. October 29, 2003. | ||
[GREATER THAN EQUAL TO]17,000 Btu/h and [LESS THAN]65,000 Btu/h | All | 12.0 EER, 4.2 COP | October 29, 2003. | |
[GREATER THAN EQUAL TO]65,000 Btu/h and [LESS THAN]135,000 Btu/h | All | 12.0 EER, 4.2 COP | October 29, 2003. | |
[GREATER THAN EQUAL TO]135,000 Btu/h and [LESS THAN]760,000 Btu/h | Without Heat Recovery | 10.0 EER, 3.9 COP | October 29, 2013. | |
With Heat Recovery | 9.8 EER, 3.9 COP | October 29, 2013. |
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."
Table 16 to § 497.31(f)(2) -Updated Minimum Efficiency Standards for Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps
Equipment type | Size category | Heating type | Minimum efficiency |
VRF Multi-Split Air Conditioners (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 and <135,000 Btu/h | All | 15.5 IEER. |
[GREATER THAN EQUAL TO]135,000 and <240,000 Btu/h | All | 14.9 IEER. | |
[GREATER THAN EQUAL TO]240,000 Btu/h and <760,000 Btu/h | All | 13.9 IEER. | |
VRF Multi-Split Heat Pumps (Air-Cooled) | [GREATER THAN EQUAL TO]65,000 and <135,000 Btu/h | Heat Pump without Heat Recovery | 14.6 IEER, 3.3 COP. |
Heat Pump with Heat Recovery | 14.4 IEER, 3.3 COP. | ||
[GREATER THAN EQUAL TO]135,000 and <240,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 13.9 IEER, 3.2 COP. 13.7 IEER, 3.2 COP. | |
[GREATER THAN EQUAL TO]240,000 Btu/h and <760,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 12.7 IEER, 3.2 COP. 12.5 IEER, 3.2 COP. | |
VRF Multi-Split Heat Pumps (Water-Source) | <65,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 16.0 IEER, 4.3 COP. 15.8 IEER, 4.3 COP. |
[GREATER THAN EQUAL TO]65,000 and <135,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 16.0 IEER, 4.3 COP. 15.8 IEER, 4.3 COP. | |
[GREATER THAN EQUAL TO]135,000 and <240,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 14.0 IEER, 4.0 COP. 13.8 IEER, 4.0 COP. | |
[GREATER THAN EQUAL TO]240,000 Btu/h and <760,000 Btu/h | Heat Pump without Heat Recovery Heat Pump with Heat Recovery | 12.0 IEER, 3.9 COP. 11.8 IEER, 3.9 COP. |
Table 17 to § 497.31(g) -Minimum Efficiency Standards for Direct Expansion-Dedicated Outdoor Air Systems
Equipment type | Subcategory | Efficiency level | Compliance date: equipment manufactured starting on . . . |
Direct expansion-dedicated outdoor air systems | (AC)-Air-cooled without ventilation energy recovery systems | ISMRE2 = 3.8 | May 1, 2024. |
(AC w/VERS)-Air-cooled with ventilation energy recovery systems | ISMRE2 = 5.0 | May 1, 2024. | |
(ASHP)-Air-source heat pumps without ventilation energy recovery systems | ISMRE2 = 3.8 ISCOP2 = 2.05 | May 1, 2024. | |
(ASHP w/VERS)-Air-source heat pumps with ventilation energy recovery systems | ISMRE2 = 5.0 ISCOP2 = 3.20 | May 1, 2024. | |
(WC)-Water-cooled without ventilation energy recovery systems | ISMRE2 = 4.7 | May 1, 2024. | |
(WC w/VERS)-Water-cooled with ventilation energy recovery systems | ISMRE2 = 5.1 | May 1, 2024. | |
(WSHP)-Water-source heat pumps without ventilation energy recovery systems | ISMRE2 = 3.8 ISCOP2 = 2.13 | May 1, 2024. | |
(WSHP w/VERS)-Water-source heat pumps with ventilation energy recovery systems | ISMRE2 = 4.6 ISCOP2 = 4.04 | May 1, 2024. |
Table 18 to § 431.97 ( h )-Minimum Efficiency Standards for Air-Cooled, Three-Phase, Small Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 B tu/h and Air-Cooled, Three-Phase, Small Variable Refrigerant Flow Multi-Split Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 B tu/h
Equipment type | Size category (cooling) | Subcategory | Minimum efficiency | Compliance date: equipment manufactured starting on . . . |
Air Conditioners | [LESS THAN]65,000 Btu/h | Split-System | 13.0 SEER | June 16, 2008.1 |
Single-Package | 14.0 SEER | January 1, 2017.1 | ||
Heat Pumps | [LESS THAN]65,000 Btu/h | Split-System | 14.0 SEER, 8.2 HSPF | January 1, 2017.1 |
Single-Package | 14.0 SEER, 8.2 HSPF | January 1, 2017.1 | ||
VRF Air Conditioners | [LESS THAN]65,000 Btu/h | 13.0 SEER | June 16, 2008.1 | |
VRF Heat Pumps | [LESS THAN]65,000 Btu/h | 13.0 SEER, 7.7 HSPF | June 16, 2008.1 |
1 And manufactured before January 1, 2025. For equipment manufactured on or after January 1, 2025, see Table 17 to paragraph (h) of this section for updated efficiency standards.
Table 19 to § 431.97 ( h )-Updated Minimum Efficiency Standards for Air-Cooled, Three-Phase, Small Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 B tu/h and Air-Cooled, Three-Phase, Small Variable Refrigerant Flow Multi-Split Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 B tu/h
Equipment type | Size category (cooling) | Subcategory | Minimum efficiency | Compliance date: equipment manufactured starting on . . . |
Air Conditioners | [LESS THAN]65,000 Btu/h | Split-System | 13.4 SEER2 | January 1, 2025. |
Single-Package | 13.4 SEER2 | January 1, 2025. | ||
Heat Pumps | [LESS THAN]65,000 Btu/h | Split-System | 14.3 SEER2, 7.5 HSPF2 | January 1, 2025. |
Single-Package | 13.4 SEER2, 6.7 HSPF2 | January 1, 2025. | ||
Space-Constrained Air Conditioners | [LESS THAN EQUAL TO]30,000 Btu/h | Split-System | 12.7 SEER2 | January 1, 2025. |
Single-Package | 13.9 SEER2 | January 1, 2025. | ||
Space-Constrained Heat Pumps | [LESS THAN EQUAL TO]30,000 Btu/h | Split-System | 13.9 SEER2, 7.0 HSPF2 | January 1, 2025. |
Single-Package | 13.9 SEER2, 6.7 HSPF2 | January 1, 2025. | ||
Small-Duct, High-Velocity Air Conditioners | [LESS THAN]65,000 Btu/h | Split-System | 13.0 SEER2 | January 1, 2025. |
Small-Duct, High-Velocity Heat Pumps | [LESS THAN]65,000 Btu/h | Split-System | 14.0 SEER2, 6.9 HSPF2 | January 1, 2025. |
VRF Air Conditioners | [LESS THAN]65,000 Btu/h | 13.4 SEER2 | January 1, 2025. | |
VRF Heat Pumps | [LESS THAN]65,000 Btu/h | 13.4 SEER2, 7.5 HSPF2 | January 1, 2025. |
10 C.F.R. §431.97