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Federal Register / Vol. 86, No. 58 / Monday, March 29, 2021 / Rules and Regulations
Authority: 42 U.S.C. 62916309; 28 U.S.C.
2461 note.

4. Section 430.2 is amended by revising the definition of Room air conditioner to read as follows:

430.2

Definitions.

Room air conditioner means a window-mounted or through-the-wallmounted encased assembly, other than a packaged terminal air conditioner, that delivers cooled, conditioned air to an enclosed space, and is powered by single-phase electric current. It includes a source of refrigeration and may include additional means for ventilating and heating.

5. Section 430.3 is amended by:
a. Revising paragraph g1;
b. In paragraph g6, removing appendix X1 and adding in its place appendices F and X1;
c. Redesignating paragraphs g11
through 14 as g15 through 18, respectively;
d. Redesignating paragraphs g9 as g12 and g10 as g13;
e. Redesignating paragraph g8 as g9;
f. Adding new paragraphs g8, 10, 11, and 14;
g. Revising paragraph i6;
h. In paragraph o5, removing appendix F, and; and i. In paragraph o6, adding F, before G.
The revisions and additions read as follows:
430.3 Materials incorporated by reference.

g
1 ANSI/ASHRAE Standard 162016
ANSI/ASHRAE 16, Method of Testing for Rating Room Air Conditioners, Packaged Terminal Air Conditioners, and Packaged Terminal Heat Pumps for Cooling and Heating Capacity, ANSI approved November 1, 2016, IBR approved for appendix F to subpart B.

8 ANSI/ASHRAE Standard 41.2
1987 RA 92, ASHRAE 41.21987
RA 1992, Standard Methods for Laboratory Airflow Measurement, ANSI
reaffirmed April 20, 1992, IBR approved for appendix F to subpart B.

10 ANSI/ASHRAE Standard 41.3
2014, ASHRAE 41.32014, Standard Methods for Pressure Measurement, ANSI approved July 3, 2014, IBR
approved for appendix F to subpart B.
11 ANSI/ASHRAE Standard 41.6
2014, ASHRAE 41.62014, Standard
VerDate Sep<11>2014

17:42 Mar 26, 2021

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Method for Humidity Measurement, ANSI approved July 3, 2014, IBR
approved for appendix F to subpart B.

14 ANSI/ASHRAE Standard 41.11
2014, ASHRAE 41.112014, Standard Methods for Power Measurement, ANSI approved July 3, 2014, IBR approved for appendix F to subpart B.

i
6 AHAM RAC12020 AHAM
RAC1, Energy Measurement Test Procedure for Room Air Conditioners, approved 2020, IBR approved for appendix F to subpart B.

6. Section 430.23 is amended by revising paragraph f to read as follows:
430.23 Test procedures for the measurement of energy and water consumption.

f Room air conditioners. 1
Determine cooling capacity, expressed in British thermal units per hour Btu/
h, as follows:
i For a single-speed room air conditioner, determine the cooling capacity in accordance with section 4.1.2 of appendix F of this subpart.
ii For a variable-speed room air conditioner, determine the cooling capacity in accordance with section 4.1.2 of appendix F of this subpart for test condition 1 in Table 1 of appendix F of this subpart.
2 Determine electrical power input, expressed in watts W as follows:
i For a single-speed room air conditioner, determine the electrical power input in accordance with section 4.1.2 of appendix F of this subpart.
ii For a variable-speed room air conditioner, determine the electrical power input in accordance with section 4.1.2 of appendix F of this subpart, for test condition 1 in Table 1 of appendix F of this subpart.
3 Determine the combined energy efficiency ratio CEER, expressed in British thermal units per watt-hour Btu/Wh and as follows:
i For a single-speed room air conditioner, determine the CEER in accordance with section 5.2.2 of appendix F of this subpart.
ii For a variable-speed room air conditioner, determine the CEER in accordance with section 5.3.11 of appendix F of this subpart.
4 Determine the estimated annual operating cost for a room air conditioner, expressed in dollars per year, by multiplying the following two factors and rounding as directed:

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i For single-speed room air conditioners, the sum of AECcool and AECia/om, determined in accordance with section 5.2.1 and section 5.1, respectively, of appendix F of this subpart. For variable-speed room air conditioners, the sum of AECwt and AECia/om, determined in accordance with section 5.3.4 and section 5.1, respectively, of appendix F of this subpart; and ii A representative average unit cost of electrical energy in dollars per kilowatt-hour as provided by the Secretary. Round the resulting product to the nearest dollar per year.

7. Appendix F to subpart B of part 430
is revised to read as follows:
Appendix F to Subpart B of Part 430
Uniform Test Method for Measuring the Energy Consumption of Room Air Conditioners Note: On or after September 27, 2021, any representations made with respect to the energy use or efficiency of room air conditioners must be made in accordance with the results of testing pursuant to this appendix.
Prior to September 27, 2021, manufacturers must either test room air conditioners in accordance with this appendix, or the previous version of this appendix as it appeared in the Code of Federal Regulations on January 1, 2020. DOE notes that, because representations made on or after September 27, 2021 must be made in accordance with this appendix, manufacturers may wish to begin using this test procedure immediately.
0. Incorporation by Reference DOE incorporated by reference the entire standard for AHAM RAC1, ANSI/ASHRAE
16, ANSI/ASHRAE 41.1, ASHRAE 41.21987
RA 1992, ASHRAE 41.32014, ASHRAE
41.62014, ASHRAE 41.112014 and IEC
62301 in 430.3. However, only enumerated provisions of AHAM RAC1 and ANSI/
ASHRAE 16 apply to this appendix, as follows:
1 ANSI/AHAM RAC1:
i Section 4Testing Conditions, Section 4.1General ii Section 5Standard Measurement Test, Section 5.2Standard Test Conditions: 5.2.1.1
iii Section 6Tests and Measurements, Section 6.1Cooling capacity iv Section 6 Tests and Measurements, Section 6.2Electrical Input 2 ANSI/ASHRAE 16:
i Section 3Definitions ii Section 5Instruments iii Section 6Apparatus, Section 6.1
Calorimeters, Sections 6.1.16.1.1., 6.1.1.3a, 6.1.1.46.1.4, including Table 1
iv Section 7Methods of Testing, Section 7.1Standard Test Methods, Section 7.1a, 7.1.1a v Section 8Test Procedures, Section 8.1General vi Section 8Test Procedures, Section 8.2Test Room Requirements
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