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 Conditioners—Minimum 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, 23-12-101, and 23-20-021, § 51-11C-403328, filed 7/1/22, 6/7/23, and 9/25/23, effective 3/15/24.]