(Effective July 1, 2023)

PDFWAC 51-11C-403328

Table C403.3.2(8)Electrically operated variable refrigerant flow air conditionersMinimum efficiency requirements.

Table C403.3.2(8)
Electrically Operated Variable Refrigerant Flow Air ConditionersMinimum Efficiency Requirementsb
Equipment Type
Size Category
Heating Section Type
Subcategory or Rating Condition
Minimum Efficiency
Test Procedurea
 
< 65,000 Btu/h
All
VRF Multi-Split System
13.0 SEER
 
VRF Air Conditioners, Air Cooled
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric Resistance
(or none)
VRF Multi-Split System
11.2 EER
15.5 IEER
AHRI 1230
 
≥ 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
 
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
This table is a replica of ASHRAE 90.1 Table 6.8.1-8 Electrically Operated Variable-Refrigerant-Flow Air ConditionersMinimum 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-403328, filed 7/1/22, effective 7/1/23.]