CHW18KR32-O
Willis · mini-split heat pump
CHW18KR32-O is in the certified data as of Sep 19, 2026. CHW18KR32-O changed its certified EER2 on AHRI certificate 217007955 from 11.95 to 12.0 in the certified data between December 2025 and September 2026.
- 18,000 Btu (1.5-ton)
- Mini-split
This unit's certified figures are identical to GWH18ATDXD-D6DNA1A/O (Gree). See the full figures, the performance chart, and a comparison with other units here:
GWH18ATDXD-D6DNA1A/O (main listing for CHW18KR32-O)
Certified pairings and AHRI numbers
1 certified pairing · 1 indoor unit
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 217007955 | CHW18KR32-I | No furnace | Jan 14, 2026 | 12,100 | 17,000 | 18,000 |
Brands listing this model number
Product history
- CHW18KR32-O changed its certified EER2 on AHRI certificate 217007955 from 11.95 to 12.0 in the certified data between December 2025 and September 2026.
- CHW18KR32-O changed its certified heat output at 47°F on AHRI certificate 217007955 from 19,100 Btu/h to 17,000 Btu/h in the certified data between December 2025 and September 2026.
- CHW18KR32-O first appeared in the certified data between August 2025 and December 2025.