18H421ZOMI
Sea Breeze · mini-split heat pump
18H421ZOMI is in the certified data as of Sep 19, 2026.
- 18,000 Btu (1.5-ton)
- Mini-split
This unit's certified figures are identical to MSH183G20MCAA (Goodman). See the full figures, the performance chart, and a comparison with other units here:
MSH183G20MCAA (main listing for 18H421ZOMI)
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 |
|---|---|---|---|---|---|---|
| 208650696 | 18H421ZIMI | No furnace | Jun 25, 2026 | 11,700 | 18,800 | 18,000 |
Brands listing this model number
Product history
- 18H421ZOMI first appeared in the certified data between March 2025 and May 2025.