WOS-33PRE/230
Wells · central heat pump
WOS-33PRE/230 is in the certified data as of Sep 19, 2026. WOS-33PRE/230 changed its certified heat output at 17°F on AHRI certificate 215864049 from 29,600 Btu/h to 31,000 Btu/h in the certified data between August 2025 and September 2026.
- 30,000 Btu (2.5-ton)
- Central
This unit's certified figures are identical to ML33HP230NEXH-O (Mainline). See the full figures, the performance chart, and a comparison with other units here:
ML33HP230NEXH-O (main listing for WOS-33PRE/230)
Certified pairings and AHRI numbers
2 certified pairings · 2 indoor units
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 215864024 | WIAH-36MOC/230 | No furnace | Jun 18, 2025 | 34,000 | 35,000 | 33,000 |
| 215864049 | WIHW-33MOC/230 | No furnace | May 6, 2026 | 34,600 | 36,000 | 33,000 |
Brands listing this model number
Product history
- WOS-33PRE/230 changed its certified heat output at 17°F on AHRI certificate 215864049 from 29,600 Btu/h to 31,000 Btu/h in the certified data between August 2025 and September 2026.
- WOS-33PRE/230 changed its certified heat output at 17°F on AHRI certificate 215864024 from 33,400 Btu/h to 27,400 Btu/h in the certified data between November 2024 and February 2025.
- WOS-33PRE/230 first appeared in the certified data between September 2024 and November 2024.