(Effective July 1, 2023)

PDFWAC 51-11C-403321

Table C403.3.2(1)Electrically operated unitary air conditioners and condensing units.

Table C403.3.2(1)
Minimum Efficiency RequirementsElectrically Operated Unitary Air Conditioners and Condensing Unitsc,d
Equipment Type
Size Category
Heating Section Type
Subcategory or Rating Condition
Minimum Efficiency
Test Procedurea
Air conditioners, air cooled
< 65,000 Btu/hb
All
Split System, three phase and applications outside U.S. single phaseb
13.4 SEER2
AHRI 201/240-2023
Single package, three phase and applications outside U.S. single phaseb
13.4 SEER2
Space constrained, air cooled
≤ 30,000 Btu/hb
All
Split System, three phase and applications outside U.S. single phaseb
11.7 SEER2
Single package, three phase and applications outside U.S. single phaseb
11.7 SEER2
Small duct high velocity, air cooled
≤ 65,000 Btu/hb
All
Split System, three phase and applications outside U.S. single phaseb
12.1 SEER2
Air conditioners, air cooled
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
11.2 EER
14.8 IEER
AHRI 340/360
All other
Split System and Single Package
11.0 EER
14.6 IEER
≥ 135,000 Btu/h and
< 240,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
11.0 EER
14.2 IEER
All other
Split System and Single Package
10.8 EER
14.0 IEER
≥ 240,000 Btu/h and
< 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
10.0 EER
13.2 IEER
All other
Split System and Single Package
9.8 EER
13.0 IEER
≥ 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
9.7 EER
12.5 IEER
All other
Split System and Single Package
9.5 EER
12.3 IEER
Air conditioners, water cooled
< 65,000 Btu/hb
All
Split System and Single Package
12.1 EER
12.3 IEER
AHRI 210/240
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.1 EER
13.9 IEER
AHRI 340/360
All other
Split System and Single Package
11.9 EER
13.7 IEER
≥ 135,000 Btu/h and
< 240,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.5 EER
13.9 IEER
All other
Split System and Single Package
12.3 EER
13.7 IEER
≥ 240,000 Btu/h and
< 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.4 EER
13.6 IEER
All other
Split System and Single Package
12.2 EER
13.4 IEER
≥ 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.2 EER
13.5 IEER
All other
Split System and Single Package
12.0 EER
13.3 IEER
Air conditioners, evaporatively cooled
< 65,000 Btu/hb
All
Split System and Single Package
12.1 EER
12.3 IEER
AHRI 210/240
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.1 EER
12.3 IEER
AHRI 340/360
All other
Split System and Single Package
11.9 EER
12.1 IEER
≥ 135,000 Btu/h and
< 240,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
12.0 EER
12.2 IEER
All other
Split System and Single Package
11.8 EER
12.0 IEER
≥ 240,000 Btu/h and
< 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
11.9 EER
12.1 IEER
All other
Split System and Single Package
11.7 EER
11.9 IEER
≥ 760,000 Btu/h
Electric Resistance
(or None)
Split System and Single Package
11.7 EER
11.9 EER
All other
Split System and Single Package
11.5 EER
11.7 EER
Condensing units, air cooled
≥ 135,000 Btu/h
 
 
10.5 EER
11.8 IEER
AHRI 365
Condensing units, water cooled
≥ 135,000 Btu/h
 
 
13.5 EER
14.0 IEER
Condensing units, evaporatively cooled
≥ 135,000 Btu/h
 
 
13.5 EER
14.0 IEER
For SI: 1 British thermal unit per hour = 0.2931 W.
 
a
Chapter 6 contains a complete specification of the referenced standards, which include test procedures, including the reference year version of the test procedure.
 
b
Single-phase, U.S. air-cooled air conditioners less than 65,000 Btu/h are regulated as consumer products by the U.S. Department of Energy Code of Federal Regulations DOE 10 C.F.R. 430. SEER and SEER2 values for single-phase products are set by the U.S. Department of Energy.
 
c
DOE 10 C.F.R. 430 Subpart B Appendix MI includes the test procedure updates effective 1/1/2023 that will be incorporated in AHRI 210/240-2023.
 
d
This table is a replica of ASHRAE 90.1 Table 6.8.1-1 Electrically Operated Unitary Air Conditioners and Condensing UnitsMinimum Efficiency Requirements.
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapters 19.27A and 19.27 RCW. WSR 22-14-091, § 51-11C-403321, filed 7/1/22, effective 7/1/23.]