(Effective until July 1, 2023)

PDFWAC 51-11C-403231

Table C403.3.2(1)—Minimum efficiency requirements—Electrically operated unitary air conditioners and condensing units.

Table C403.3.2(1)A
Minimum Efficiency Requirements—Electrically Operated Unitary Air Conditioners and Condensing Units
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
13.0 SEER
AHRI 210/240
Single Package
14.0 SEER
Through-the-wall
(air cooled)
≤ 30,000 Btu/hb
All
Split system
12.0 SEER
Single Package
12.0 SEER
Small duct high velocity,
air cooled
< 65,000 Btu/hb
All
Split system
11.0 SEER
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
12.9 IEER
AHRI 210/240
All other
Split System and Single Package
11.0 EER
12.7 IEER
≥ 135,000 Btu/h
and
< 240,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
11.0 EER
12.4 IEER
All other
Split System and Single Package
10.8 EER
12.2 IEER
≥ 240,000 Btu/h
and
< 760,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
10.0 EER
11.6 IEER
All other
Split System and Single Package
9.8 EER
11.4 IEER
≥ 760,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
9.7 EER
11.2 IEER
All other
Split System and Single Package
9.5 EER
11.6 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 210/240
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 12 of the referenced standard contains a complete specification of the referenced test procedure, including the reference year version of the test procedure.
b
Single-phase, air-cooled air conditioners less than 65,000 Btu/h are regulated by NAECA. SEER values are those set by NAECA.
Table C403.3.2(1)B
Minimum Efficiency Requirements—Electrically Operated Variable Refrigerant Flow Air Conditioners
Equipment Type
Size Category
Heating
Section Type
Subcategory or Rating Condition
Minimum
Efficiency
Test
Procedure
VRF Air
Conditioners,
Air Cooled
< 65,000 Btu/h
All
VRF Multi-Split System
13.0 SEER
AHRI 1230
 
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System
11.2 EER
15.5 IEER
 
 
≥ 135,000 Btu/h and
< 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System
11.0 EER
14.9 IEER
 
 
≥ 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-split System
10.0 EER
13.9 IEER
 
Table C403.3.2(1)C
Minimum Efficiency Requirements—Electrically Operated Variable Refrigerant Flow Air-to-Air and Applied Heat Pumps
Equipment Type
Size Category
Heating
Section Type
Subcategory or Rating Condition
Minimum
Efficiency
Test
Procedure
VRF Air Cooled (cooling mode)
< 65,000 Btu/h
All
VRF Multi-Split System
13.0 SEER
AHRI 1230
 
≥ 65,000 Btu/h and < 135,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System
11.0 EER
14.6 IEER
 
 
≥ 65,000 Btu/h and < 135,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System with Heat Recovery
10.8 EER
14.4 IEER
 
 
≥ 135,000 Btu/h and < 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System
10.6 EER
13.9 IEER
 
 
≥ 135,000 Btu/h and < 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System with Heat Recovery
10.4 EER
13.7 IEER
 
 
≥ 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System
9.5 EER
12.7 IEER
 
 
≥ 240,000 Btu/h
Electric
Resistance (or none)
VRF Multi-Split System with Heat Recovery
9.3 EER
12.5 IEER
 
VRF Water Source
(cooling mode)
< 65,000 Btu/h
All
VRF Multi-Split System
86ºF entering water
12.0 EER
16.0 IEER
AHRI 1230
 
< 65,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
86ºF entering water
11.8 EER
15.8 IEER
 
 
≥ 65,000 Btu/h and < 135,000 Btu/h
All
VRF Multi-Split System
86ºF entering water
12.0 EER
16.0 IEER
 
 
≥ 65,000 Btu/h and < 135,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
86ºF entering water
11.8 EER
15.8 IEER
 
 
≥ 135,000 Btu/h and < 240,000 Btu/h
All
VRF Multi-Split System
86ºF entering water
10.0 EER
14.0 IEER
 
 
≥ 135,000 Btu/h and < 240,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
86ºF entering water
9.8 EER
13.8 IEER
 
 
≥ 240,000 Btu/h
All
VRF Multi-Split System
86ºF entering water
12.0 IEER
 
 
≥ 240,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
86ºF entering water
11.8 IEER
 
VRF
Groundwater Source (cooling mode)
< 135,000 Btu/h
All
VRF Multi-Split System
59ºF entering water
16.2 EER
AHRI 1230
< 135,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
59ºF entering water
16.0 EER
 
 
≥ 135,000 Btu/h
All
VRF Multi-Split System
59ºF entering water
13.8 EER
 
 
≥ 135,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
59ºF entering water
13.6 EER
 
VRF Ground Source (cooling mode)
< 135,000 Btu/h
All
VRF Multi-Split System
77ºF entering water
13.4 EER
AHRI 1230
 
< 135,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
77ºF entering water
13.2 EER
 
 
≥ 135,000 Btu/h
All
VRF Multi-Split System
77ºF entering water
11.0 EER
 
 
≥ 135,000 Btu/h
All
VRF Multi-Split System with Heat Recovery
77ºF entering water
10.8 EER
 
VRF Air Cooled (heating mode)
< 65,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
7.7 HSPF
AHRI 1230
 
≥ 65,000 Btu/h and < 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
47ºF db/43ºF wb outdoor air
17ºF db/15ºF wb outdoor air
3.3 COP
2.25 COP
 
 
≥ 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
47ºF db/43ºF wb outdoor air
17ºF db/15ºF wb outdoor air
3.2 COP
2.05 COP
 
VRF Water Source
(heating mode)
< 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
68ºF entering water
4.3 COP
AHRI 1230
 
≥ 135,000 Btu/h and < 240,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
68ºF entering water
4.0 COP
 
 
≥ 240,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
68ºF entering water
3.9 COP
 
VRF Groundwater Source
(heating mode)
< 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
50ºF entering water
3.6 COP
AHRI 1230
 
≥ 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
50ºF entering water
3.3 COP
 
VRF Ground Source
(heating mode)
< 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
32ºF entering water
3.1 COP
AHRI 1230
 
≥ 135,000 Btu/h
(cooling capacity)
—
VRF Multi-Split System
32ºF entering water
2.8 COP
 
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapter 19.27 RCW. WSR 19-24-040, § 51-11C-403231, filed 11/26/19, effective 7/1/20. Statutory Authority: RCW 19.27A.025, 19.27A.045, 19.27A.160, and 19.27.074. WSR 17-10-062, § 51-11C-403231, filed 5/2/17, effective 6/2/17. Statutory Authority: RCW 19.27A.025, 19.27A.160, and 19.27.074. WSR 16-03-072, § 51-11C-403231, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-403231, filed 2/1/13, effective 7/1/13.]