§ 431.97 Energy efficiency standards and their compliance dates.
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Title 10 CFR: Energy › Chapter II: DEPARTMENT OF ENERGY › Part 431: ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT › Subpart F: Commercial Air Conditioners and Heat Pumps › § 431.97: § 431.97 Energy efficiency standards and their compliance dates.
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(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 (i) of this section, and be certified to the Department under 10 CFR part 429.
(b) Each air-cooled commercial package air conditioning and heating equipment (excluding air-cooled equipment with cooling capacity less than 65,000 Btu/h and double-duct air conditioners or heat pumps) manufactured on or after January 1, 2023, and before January 1, 2029, must meet the applicable minimum energy efficiency standard level(s) set forth in table 1 to this paragraph (b). Each air-cooled commercial package air conditioning and heating equipment (excluding air-cooled equipment with cooling capacity less than 65,000 Btu/h and double-duct air conditioners or heat pumps) manufactured on or after January 1, 2029, must meet the applicable minimum energy efficiency standard level(s) set forth in table 2 to this paragraph (b). Each water-cooled commercial package air conditioning and heating equipment manufactured on or after the compliance date listed in table 3 to this paragraph (b) must meet the applicable minimum energy efficiency standard level(s) set forth in table 3. Each evaporatively-cooled commercial air conditioning and heating equipment manufactured on or after the compliance date listed in table 4 to this paragraph (b) must meet the applicable minimum energy efficiency standard level(s) set forth in table 4. Each double-duct air conditioner or heat pump manufactured on or after January 1, 2010, must meet the applicable minimum energy efficiency standard level(s) set forth in table 5 to this paragraph (b)
ng and heating equipment manufactured on or after the compliance date listed in table 4 to this paragraph (b) must meet the applicable minimum energy efficiency standard level(s) set forth in table 4. Each double-duct air conditioner or heat pump manufactured on or after January 1, 2010, must meet the applicable minimum energy efficiency standard level(s) set forth in table 5 to this paragraph (b).
Table 1 to Paragraph (
b
)—Minimum Efficiency Standards for Air-Cooled Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity Greater Than or Equal to 65,000 Btu/
h
(Excluding Double-Duct Air-Conditioners and Heat Pumps)
Cooling capacity
Subcategory
Supplementary heating type
Minimum
efficiency
1
Compliance date: equipment
manufactured
starting on . . .
Air-Cooled Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity Greater Than or Equal to 65,000 Btu/h (Excluding Double-Duct Air Conditioners and Heat Pumps)
≥65,000 Btu/h and <135,000 Btu/h
AC
Electric Resistance Heating or No Heating
IEER = 14.8
January 1, 2023.
≥65,000 Btu/h and <135,000 Btu/h
AC
All Other Types of Heating
IEER = 14.6
January 1, 2023.
≥65,000 Btu/h and <135,000 Btu/h
HP
Electric Resistance Heating or No Heating
IEER = 14.1
COP = 3.4
January 1, 2023.
≥65,000 Btu/h and <135,000 Btu/h
HP
All Other Types of Heating
IEER = 13.9
COP = 3.4
January 1, 2023.
≥135,000 Btu/h and <240,000 Btu/h
AC
Electric Resistance Heating or No Heating
IEER = 14.2
January 1, 2023.
≥135,000 Btu/h and <240,000 Btu/h
AC
All Other Types of Heating
IEER = 14.0
January 1, 2023.
≥135,000 Btu/h and <240,000 Btu/h
HP
Electric Resistance Heating or No Heating
IEER = 13.5
COP = 3.3
January 1, 2023.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Other Types of Heating
IEER = 13.3
COP = 3.3
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
AC
Electric Resistance Heating or No Heating
IEER = 13.2
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
AC
All Other Types of Heating
IEER = 13.0
January 1, 2023
240,000 Btu/h
HP
Electric Resistance Heating or No Heating
IEER = 13.5
COP = 3.3
January 1, 2023.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Other Types of Heating
IEER = 13.3
COP = 3.3
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
AC
Electric Resistance Heating or No Heating
IEER = 13.2
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
AC
All Other Types of Heating
IEER = 13.0
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
HP
Electric Resistance Heating or No Heating
IEER = 12.5
COP = 3.2
January 1, 2023.
≥240,000 Btu/h and <760,000 Btu/h
HP
All Other Types of Heating
IEER = 12.3
COP = 3.2
January 1, 2023.
1
See section 3 of appendix A to this subpart for the test conditions upon which the COP standards are based.
Table 2 to Paragraph (
b
)—Updated Minimum Efficiency Standards for Air-Cooled Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity Greater Than or Equal to 65,000 Btu/
h
(Excluding Double-Duct Air Conditioners and Heat Pumps)
Cooling capacity
Subcategory
Supplementary heating type
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Air-Cooled Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity Greater Than or Equal to 65,000 Btu/h (Excluding Double-Duct Air Conditioners and Heat Pumps)
≥65,000 Btu/h and <135,000 Btu/h
AC
Electric Resistance Heating or No Heating
IVEC = 14.3
January 1, 2029.
≥65,000 Btu/h and <135,000 Btu/h
AC
All Other Types of Heating
IVEC = 13.8
January 1, 2029.
≥65,000 Btu/h and <135,000 Btu/h
HP
All Types of Heating
IVEC = 13.4
IVHE = 6.2
January 1, 2029.
≥135,000 Btu/h and <240,000 Btu/h
AC
Electric Resistance Heating or No Heating
IVEC = 13.8
January 1, 2029.
≥135,000 Btu/h and <240,000 Btu/h
AC
All Other Types of Heating
IVEC = 13.3
January 1, 2029.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Types of Heating
IVEC = 13.1
IVHE = 6.0
January 1, 2029.
≥240,000 Btu/h and <760,000 Btu/h
AC
Electric Resistance Heating or No Heating
IVEC = 12.9
January 1, 2029
000 Btu/h and <240,000 Btu/h
AC
Electric Resistance Heating or No Heating
IVEC = 13.8
January 1, 2029.
≥135,000 Btu/h and <240,000 Btu/h
AC
All Other Types of Heating
IVEC = 13.3
January 1, 2029.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Types of Heating
IVEC = 13.1
IVHE = 6.0
January 1, 2029.
≥240,000 Btu/h and <760,000 Btu/h
AC
Electric Resistance Heating or No Heating
IVEC = 12.9
January 1, 2029.
≥240,000 Btu/h and <760,000 Btu/h
AC
All Other Types of Heating
IVEC = 12.2
January 1, 2029.
≥240,000 Btu/h and <760,000 Btu/h
HP
All Types of Heating
IVEC = 12.1
IVHE = 5.8
January 1, 2029.
Table 3 to Paragraph (
b
)—Minimum Cooling Efficiency Standards for Water-Cooled Commercial Package Air Conditioning Equipment
Cooling capacity
Supplementary heating type
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Water-Cooled Commercial Package Air Conditioning Equipment
<65,000 Btu/h
All
EER = 12.1
October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.1
June 1, 2013.
≥65,000 Btu/h and <135,000 Btu/h
All Other Types of Heating
EER = 11.9
June 1, 2013.
≥135,000 Btu/h and <240,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.5
June 1, 2014.
≥135,000 Btu/h and <240,000 Btu/h
All Other Types of Heating
EER = 12.3
June 1, 2014.
≥240,000 Btu/h and <760,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.4
June 1, 2014.
≥240,000 Btu/h and <760,000 Btu/h
All Other Types of Heating
EER = 12.2
June 1, 2014.
Table 4 to Paragraph (
b
)—Minimum Cooling Efficiency Standards for Evaporatively-Cooled Commercial Package Air Conditioning Equipment
Cooling capacity
Supplementary heating type
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Evaporatively-Cooled Commercial Package Air Conditioning Equipment
<65,000 Btu/h
All
EER = 12.1
October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.1
June 1, 2013
Evaporatively-Cooled Commercial Package Air Conditioning Equipment
Cooling capacity
Supplementary heating type
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Evaporatively-Cooled Commercial Package Air Conditioning Equipment
<65,000 Btu/h
All
EER = 12.1
October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.1
June 1, 2013.
≥65,000 Btu/h and <135,000 Btu/h
All Other Types of Heating
EER = 11.9
June 1, 2013.
≥135,000 Btu/h and <240,000 Btu/h
No Heating or Electric Resistance Heating
EER = 12.0
June 1, 2014.
≥135,000 Btu/h and <240,000 Btu/h
All Other Types of Heating
EER = 11.8
June 1, 2014.
≥240,000 Btu/h and <760,000 Btu/h
No Heating or Electric Resistance Heating
EER = 11.9
June 1, 2014.
≥240,000 Btu/h and <760,000 Btu/h
All Other Types of Heating
EER = 11.7
June 1, 2014.
Table 5 to Paragraph (
b
)—Minimum Efficiency Standards for Double-Duct Air Conditioners or Heat Pumps
Cooling capacity
Subcategory
Supplementary heating type
Minimum
efficiency
1
Compliance date: equipment
manufactured
starting on . . .
Double-Duct Air Conditioners or Heat Pumps
≥65,000 Btu/h and <135,000 Btu/h
AC
Electric Resistance Heating or No Heating
EER = 11.2
January 1, 2010.
≥65,000 Btu/h and <135,000 Btu/h
AC
All Other Types of Heating
EER = 11.0
January 1, 2010.
≥65,000 Btu/h and <135,000 Btu/h
HP
Electric Resistance Heating or No Heating
EER = 11.0
COP = 3.3
January 1, 2010.
≥65,000 Btu/h and <135,000 Btu/h
HP
All Other Types of Heating
EER = 10.8
COP = 3.3
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
AC
Electric Resistance Heating or No Heating
EER = 11.0
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
AC
All Other Types of Heating
EER = 10.8
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
HP
Electric Resistance Heating or No Heating
EER = 10.6
COP = 3.2
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Other Types of Heating
EER = 10.4
COP = 3.2
January 1, 2010
nd <240,000 Btu/h
AC
Electric Resistance Heating or No Heating
EER = 11.0
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
AC
All Other Types of Heating
EER = 10.8
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
HP
Electric Resistance Heating or No Heating
EER = 10.6
COP = 3.2
January 1, 2010.
≥135,000 Btu/h and <240,000 Btu/h
HP
All Other Types of Heating
EER = 10.4
COP = 3.2
January 1, 2010.
≥240,000 Btu/h and <300,000 Btu/h
AC
Electric Resistance Heating or No Heating
EER = 10.0
January 1, 2010.
≥240,000 Btu/h and <300,000 Btu/h
AC
All Other Types of Heating
EER = 9.8
January 1, 2010.
≥240,000 Btu/h and <300,000 Btu/h
HP
Electric Resistance Heating or No Heating
EER = 9.5
COP = 3.2
January 1, 2010.
≥240,000 Btu/h and <300,000 Btu/h
HP
All Other Types of Heating
EER = 9.3
COP = 3.2
January 1, 2010.
1
See section 3 of appendix A to this subpart for the test conditions upon which the COP standards are based.
(c) Each water-source heat pump manufactured starting on the compliance date listed in table 6 to this paragraph (c) must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (c).
Table 6 to Paragraph (
c
)—Minimum Efficiency Standards for Water-Source Heat Pumps (Water-to-Air, Water-Loop)
Cooling capacity
Minimum efficiency
Compliance date: equipment
manufactured starting on . . .
Water-Source Heat Pumps (Water-to-Air, Water-Loop)
<17,000 Btu/h
EER = 12.2
COP = 4.3
October 9, 2015.
≥17,000 Btu/h and <65,000 Btu/h
EER = 13.0
COP = 4.3
October 9, 2015.
≥65,000 Btu/h and <135,000 Btu/h
EER = 13.0
COP = 4.3
October 9, 2015.
andards for Water-Source Heat Pumps (Water-to-Air, Water-Loop)
Cooling capacity
Minimum efficiency
Compliance date: equipment
manufactured starting on . . .
Water-Source Heat Pumps (Water-to-Air, Water-Loop)
<17,000 Btu/h
EER = 12.2
COP = 4.3
October 9, 2015.
≥17,000 Btu/h and <65,000 Btu/h
EER = 13.0
COP = 4.3
October 9, 2015.
≥65,000 Btu/h and <135,000 Btu/h
EER = 13.0
COP = 4.3
October 9, 2015.
(d) Each non-standard size packaged terminal air conditioner (PTAC) and packaged terminal heat pump (PTHP) manufactured on or after October 7, 2010, must meet the applicable minimum energy efficiency standard level(s) set forth in table 7 to this paragraph (d). Each standard size PTAC manufactured on or after October 8, 2012, and before January 1, 2017, must meet the applicable minimum energy efficiency standard level(s) set forth in table 7. Each standard size PTHP manufactured on or after October 8, 2012, must meet the applicable minimum energy efficiency standard level(s) set forth in table 7. Each standard size PTAC manufactured on or after January 1, 2017, must meet the applicable minimum energy efficiency standard level(s) set forth in table 8 to this paragraph (d).
Table 7 to Paragraph (
d
)—Minimum Efficiency Standards for PTAC and PTHP
Equipment type
Category
Cooling capacity
Minimum efficiency
Compliance date: products
manufactured on
and after . . .
PTAC
Standard Size
<7,000 Btu/h
EER = 11.7
October 8, 2012.
2
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 13.8−(0.3 × Cap
1
)
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.
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 10.9−(0.213 × Cap
1
)
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.
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 14.0−(0.3 × Cap
1
)
COP = 3.7−(0.052 × Cap
1
)
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
0 Btu/h and ≤15,000 Btu/h
EER = 10.9−(0.213 × Cap
1
)
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.
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 14.0−(0.3 × Cap
1
)
COP = 3.7−(0.052 × Cap
1
)
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.
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 10.8−(0.213 × Cap
1
)
COP = 2.9−(0.026 × Cap
1
)
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.
2
And manufactured before January 1, 2017. See table 8 to this paragraph (d) for updated efficiency standards that apply to this category of equipment manufactured on and after January 1, 2017.
Table 8 to Paragraph (
d
)—Updated Minimum Efficiency Standards for PTAC
Equipment type
Category
Cooling capacity
Minimum efficiency
Compliance date: products
manufactured on
and after . . .
PTAC
Standard Size
<7,000 Btu/h
EER = 11.9
January 1, 2017.
≥7,000 Btu/h and ≤15,000 Btu/h
EER = 14.0−(0.3 × Cap
1
)
January 1, 2017.
>15,000 Btu/h
EER = 9.5
January 1, 2017.
1
“Cap” means cooling capacity in thousand Btu/h at 95 °F outdoor dry-bulb temperature.
(e)(1) Each single package vertical air conditioner and single package vertical heat pump manufactured on or after January 1, 2010, but before October 9, 2015 (for models ≥65,000 Btu/h and <135,000 Btu/h), or October 9, 2016 (for models ≥135,000 Btu/h and <240,000 Btu/h), must meet the applicable minimum energy conservation standard level(s) set forth in this paragraph (e)(1).
Table 9 to Paragraph (
e
)(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 . .
000 Btu/h and <240,000 Btu/h), must meet the applicable minimum energy conservation standard level(s) set forth in this paragraph (e)(1).
Table 9 to Paragraph (
e
)(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
≥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
≥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.
(2) Each single package vertical air conditioner and single package vertical heat pump manufactured on and after October 9, 2015 (for models ≥65,000 Btu/h and <135,000 Btu/h), or October 9, 2016 (for models ≥135,000 Btu/h and <240,000 Btu/h), but before September 23, 2019, must meet the applicable minimum energy conservation standard level(s) set forth in this paragraph (e)(2).
Table 10 to Paragraph (
e
)(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
≥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
red 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
≥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
≥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.
(3) Each single package vertical air conditioner and single package vertical heat pump manufactured on and after September 23, 2019, must meet the applicable minimum energy conservation standard level(s) set forth in this paragraph (e)(3).
Table 11 to Paragraph (
e
)(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
≥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
≥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.
23, 2019.
September 23, 2019.
Single package vertical air conditioners and single package vertical heat pumps
≥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
≥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.
(f)(1) 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 before May 28, 2024 and each computer room air conditioner with a net sensible cooling capacity greater than or equal to 65,000 Btu/h and less than 760,000 Btu/h manufactured on or after October 29, 2013, and before May 28, 2024 must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (f)(1).
Table 12 to Paragraph
(f)(1)
—Minimum Efficiency Standards for Computer Room Air Conditioners
Equipment type
Net sensible cooling capacity
Minimum SCOP efficiency
Downflow
Upflow
Air-Cooled
<65,000 Btu/h
2.20
2.09
≥65,000 Btu/h and <240,000 Btu/h
2.10
1.99
≥240,000 Btu/h and <760,000 Btu/h
1.90
1.79
Water-Cooled
<65,000 Btu/h
2.60
2.49
≥65,000 Btu/h and <240,000 Btu/h
2.50
2.39
≥240,000 Btu/h and <760,000 Btu/h
2.40
2.29
Water-Cooled with Fluid Economizer
<65,000 Btu/h
2.55
2.44
≥65,000 Btu/h and <240,000 Btu/h
2.45
2.34
≥240,000 Btu/h and <760,000 Btu/h
2.35
2.24
Glycol-Cooled
<65,000 Btu/h
2.50
2.39
≥65,000 Btu/h and <240,000 Btu/h
2.15
2.04
≥240,000 Btu/h and <760,000 Btu/h
2.10
1.99
Glycol-Cooled with Fluid Economizer
<65,000 Btu/h
2.45
2.34
≥65,000 Btu/h and <240,000 Btu/h
2.10
1.99
≥240,000 Btu/h and <760,000 Btu/h
2.05
1.94
(2) Each computer room air conditioner manufactured on or after May 28, 2024, must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (f)(2).
Table 13 to Paragraph
2.04
≥240,000 Btu/h and <760,000 Btu/h
2.10
1.99
Glycol-Cooled with Fluid Economizer
<65,000 Btu/h
2.45
2.34
≥65,000 Btu/h and <240,000 Btu/h
2.10
1.99
≥240,000 Btu/h and <760,000 Btu/h
2.05
1.94
(2) Each computer room air conditioner manufactured on or after May 28, 2024, must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (f)(2).
Table 13 to Paragraph
(f)(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
<80,000 Btu/h
2.70
2.67
<65,000 Btu/h
2.16
2.65
≥80,000 Btu/h and <295,000 Btu/h
2.58
2.55
≥65,000 Btu/h and <240,000 Btu/h
2.04
2.55
≥295,000 Btu/h and <930,000 Btu/h
2.36
2.33
≥240,000 Btu/h and <760,000 Btu/h
1.89
2.47
Air-Cooled with Fluid Economizer
<80,000 Btu/h
≥80,000 Btu/h and <295,000 Btu/h
2.70
2.58
2.67
2.55
<65,000 Btu/h
≥65,000 Btu/h and <240,000 Btu/h
2.09
1.99
2.65
2.55
≥295,000 Btu/h and <930,000 Btu/h
2.36
2.33
≥240,000 Btu/h and <760,000 Btu/h
1.81
2.47
Water-Cooled
<80,000 Btu/h
2.82
2.79
<65,000 Btu/h
2.43
2.79
≥80,000 Btu/h and <295,000 Btu/h
2.73
2.70
≥65,000 Btu/h and <240,000 Btu/h
2.32
2.68
≥295,000 Btu/h and <930,000 Btu/h
2.67
2.64
≥240,000 Btu/h and <760,000 Btu/h
2.20
2.60
Water-Cooled with Fluid Economizer
<80,000 Btu/h
≥80,000 Btu/h and <295,000 Btu/h
2.77
2.68
2.74
2.65
<65,000 Btu/h
≥65,000 Btu/h and <240,000 Btu/h
2.35
2.24
2.71
2.60
≥295,000 Btu/h and <930,000 Btu/h
2.61
2.58
≥240,000 Btu/h and <760,000 Btu/h
2.12
2.54
Glycol-Cooled
<80,000 Btu/h
2.56
2.53
<65,000 Btu/h
2.08
2.48
≥80,000 Btu/h and <295,000 Btu/h
2.24
2.21
≥65,000 Btu/h and <240,000 Btu/h
1.90
2.18
≥295,000 Btu/h and <930,000 Btu/h
2.21
2.18
≥240,000 Btu/h and <760,000 Btu/h
1.81
2.18
Glycol-Cooled with Fluid Economizer
<80,000 Btu/h
≥80,000 Btu/h and <295,000 Btu/h
2.5
tu/h and <930,000 Btu/h
2.61
2.58
≥240,000 Btu/h and <760,000 Btu/h
2.12
2.54
Glycol-Cooled
<80,000 Btu/h
2.56
2.53
<65,000 Btu/h
2.08
2.48
≥80,000 Btu/h and <295,000 Btu/h
2.24
2.21
≥65,000 Btu/h and <240,000 Btu/h
1.90
2.18
≥295,000 Btu/h and <930,000 Btu/h
2.21
2.18
≥240,000 Btu/h and <760,000 Btu/h
1.81
2.18
Glycol-Cooled with Fluid Economizer
<80,000 Btu/h
≥80,000 Btu/h and <295,000 Btu/h
2.51
2.19
2.48
2.16
<65,000 Btu/h
≥65,000 Btu/h and <240,000 Btu/h
2.00
1.82
2.44
2.10
≥295,000 Btu/h and <930,000 Btu/h
2.15
2.12
≥240,000 Btu/h and <760,000 Btu/h
1.73
2.10
Table 14 to Paragraph
(f)(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
<29,000 Btu/h
2.05
2.08
≥29,000 Btu/h and <65,000 Btu/h
2.02
2.05
≥65,000 Btu/h and <760,000 Btu/h
1.92
1.94
Air-Cooled with Free Air Discharge Condenser and Fluid Economizer
<29,000 Btu/h
2.01
2.04
≥29,000 Btu/h and <65,000 Btu/h
1.97
2
≥65,000 Btu/h and <760,000 Btu/h
1.87
1.89
Air-Cooled with Ducted Condenser
<29,000 Btu/h
1.86
1.89
≥29,000 Btu/h and <65,000 Btu/h
1.83
1.86
≥65,000 Btu/h and <760,000 Btu/h
1.73
1.75
Air-Cooled with Fluid Economizer and Ducted Condenser
<29,000 Btu/h
1.82
1.85
≥29,000 Btu/h and <65,000 Btu/h
1.78
1.81
≥65,000 Btu/h and <760,000 Btu/h
1.68
1.7
Water-Cooled
<29,000 Btu/h
2.38
2.41
≥29,000 Btu/h and <65,000 Btu/h
2.28
2.31
≥65,000 Btu/h and <760,000 Btu/h
2.18
2.2
Water-Cooled with Fluid Economizer
<29,000 Btu/h
2.33
2.36
≥29,000 Btu/h and <65,000 Btu/h
2.23
2.26
≥65,000 Btu/h and <760,000 Btu/h
2.13
2.16
Glycol-Cooled
<29,000 Btu/h
1.97
2
≥29,000 Btu/h and <65,000 Btu/h
1.93
1.98
≥65,000 Btu/h and <760,000 Btu/h
1.78
1.81
Glycol-Cooled with Fluid Economizer
<29,000 Btu/h
1.92
1.95
≥29,000 Btu/h and <65,000 Btu/h
1.88
1.93
≥65,000 Btu/h and <760,000 Btu/h
1.73
1.76
oled with Fluid Economizer
<29,000 Btu/h
2.33
2.36
≥29,000 Btu/h and <65,000 Btu/h
2.23
2.26
≥65,000 Btu/h and <760,000 Btu/h
2.13
2.16
Glycol-Cooled
<29,000 Btu/h
1.97
2
≥29,000 Btu/h and <65,000 Btu/h
1.93
1.98
≥65,000 Btu/h and <760,000 Btu/h
1.78
1.81
Glycol-Cooled with Fluid Economizer
<29,000 Btu/h
1.92
1.95
≥29,000 Btu/h and <65,000 Btu/h
1.88
1.93
≥65,000 Btu/h and <760,000 Btu/h
1.73
1.76
(g)(1) Each variable refrigerant flow air conditioner or heat pump manufactured on or after the compliance date listed in table 15 to this paragraph (g)(1) and prior to January 1, 2024, must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (g)(1).
Table 15 to Paragraph (
g
)(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)
≥65,000 Btu/h and <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.
≥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 and <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.
≥135,000 Btu/h and <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.
≥240,000 Btu/h and <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
Other Types of Heating
10.8 EER, 3.3 COP
January 1, 2010.
≥135,000 Btu/h and <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.
≥240,000 Btu/h and <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)
<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.
≥17,000 Btu/h and <65,000 Btu/h
All
12.0 EER, 4.2 COP
October 29, 2003.
≥65,000 Btu/h and <135,000 Btu/h
All
12.0 EER, 4.2 COP
October 29, 2003.
≥135,000 Btu/h and <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.”
(2) Each variable refrigerant flow air conditioner or heat pump (except air-cooled systems with cooling capacity less than 65,000 Btu/h) manufactured on or after January 1, 2024, must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (g)(2).
Table 16 to Paragraph (
g
)(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)
≥65,000 and <135,000 Btu/h
All
15.5 IEER.
≥135,000 and <240,000 Btu/h
All
14.9 IEER.
≥240,000 Btu/h and <760,000 Btu/h
All
13.9 IEER.
VRF Multi-Split Heat Pumps (Air-Cooled)
≥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
nt type
Size category
Heating type
Minimum efficiency
VRF Multi-Split Air Conditioners (Air-Cooled)
≥65,000 and <135,000 Btu/h
All
15.5 IEER.
≥135,000 and <240,000 Btu/h
All
14.9 IEER.
≥240,000 Btu/h and <760,000 Btu/h
All
13.9 IEER.
VRF Multi-Split Heat Pumps (Air-Cooled)
≥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.
≥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.
≥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.
≥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.
≥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.
≥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.
(h) Each direct expansion-dedicated outdoor air system manufactured on or after the compliance date listed in table 17 to this paragraph (h) must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (h).
Table 17 to Paragraph (
h
)—Minimum Efficiency Standards for Direct Expansion-Dedicated Outdoor Air Systems
Equipment
category
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
y 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.
(i) Air-cooled, three-phase, commercial package air conditioning and heating equipment with a cooling capacity of less than 65,000 Btu/h and air-cooled, three-phase variable refrigerant flow multi-split air conditioning and heating equipment with a cooling capacity of less than 65,000 Btu/h manufactured on or after the compliance date listed in tables 18 and 19 to this paragraph (i) must meet the applicable minimum energy efficiency standard level(s) set forth in this paragraph (i).
Table 18 to Paragraph (
i
)—Minimum Efficiency Standards for Air-Cooled, Three-Phase, Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 Btu/
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 Btu/
h
Equipment type
Cooling
capacity
Subcategory
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Split-System
13.0 SEER
June 16, 2008
Than 65,000 Btu/
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 Btu/
h
Equipment type
Cooling
capacity
Subcategory
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Split-System
13.0 SEER
June 16, 2008.
1
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Single-Package
14.0 SEER
January 1, 2017.
1
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Split-System
14.0 SEER
8.2 HSPF
January 1, 2017.
1
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Single-Package
14.0 SEER
8.0 HSPF
January 1, 2017.
1
VRF Air Conditioners
<65,000 Btu/h
13.0 SEER
June 16, 2008.
1
VRF Heat Pumps
<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 19 to this paragraph (i) for updated efficiency standards.
Table 19 to Paragraph (
i
)—Updated Minimum Efficiency Standards for Air-Cooled, Three-Phase, Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 Btu/
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 Btu/
h
Equipment type
Cooling
capacity
Subcategory
Minimum efficiency
Compliance date: equipment
manufactured
starting on . . .
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Split-System
13.4 SEER2
January 1, 2025.
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Single-Package
13.4 SEER2
January 1, 2025.
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Split-System
14.3 SEER2
7.5 HSPF2
January 1, 2025.
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Single-Package
13.4 SEER2
6.7 HSPF2
January 1, 2025
000 Btu/h
Split-System
13.4 SEER2
January 1, 2025.
Commercial Package Air Conditioning Equipment
<65,000 Btu/h
Single-Package
13.4 SEER2
January 1, 2025.
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Split-System
14.3 SEER2
7.5 HSPF2
January 1, 2025.
Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Single-Package
13.4 SEER2
6.7 HSPF2
January 1, 2025.
Space-Constrained Commercial Package Air Conditioning Equipment
≤30,000 Btu/h
Split-System
12.7 SEER2
January 1, 2025.
Space-Constrained Commercial Package Air Conditioning Equipment
≤30,000 Btu/h
Single-Package
13.9 SEER2
January 1, 2025.
Space-Constrained Commercial Package Air Conditioning and Heating Equipment
≤30,000 Btu/h
Split-System
13.9 SEER2
7.0 HSPF2
January 1, 2025.
Space-Constrained Commercial Package Air Conditioning and Heating Equipment
≤30,000 Btu/h
Single-Package
13.9 SEER2
6.7 HSPF2
January 1, 2025.
Small-Duct, High-Velocity Commercial Package Air Conditioning
<65,000 Btu/h
Split-System
13.0 SEER2
January 1, 2025.
Small-Duct, High-Velocity Commercial Package Air Conditioning and Heating Equipment
<65,000 Btu/h
Split-System
14.0 SEER2
6.9 HSPF2
January 1, 2025.
VRF Air Conditioners
<65,000 Btu/h
13.4 SEER2
January 1, 2025.
VRF Heat Pumps
<65,000 Btu/h
13.4 SEER2
7.5 HSPF2
January 1, 2025.
[89 FR 44134, May 20, 2024]
This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.