SMZ2B1-H18A-O
Stelpro · mini-split heat pump
SMZ2B1-H18A-O is in the certified data as of Sep 19, 2026. SMZ2B1-H18A-O changed its certified heat output at 17°F on 3 pairings in the certified data between August 2025 and September 2026. The new figure is higher on all 3.
- 18,000 Btu (1.5-ton)
- Mini-split
SMZ2B1-H18A-O (Stelpro) has the same certified figures as MO3GX-H18B-2A (Midea). See the full figures, the performance chart, and a comparison with other units here:
MO3GX-H18B-2A (main listing for SMZ2B1-H18A-O)
Certified pairings and AHRI numbers
3 certified pairings
| AHRI certificate | Indoor unit | Furnace | Certified | At 5°FBtu/h | At 47°FBtu/h | At 95°FBtu/h · cooling |
|---|---|---|---|---|---|---|
| 216617670 | — | No furnace | May 6, 2026 | 19,000 | 20,000 | 19,000 |
| 216617671 | — | No furnace | May 6, 2026 | 18,000 | 20,000 | 19,000 |
| 216617672 | — | No furnace | May 6, 2026 | 18,500 | 20,000 | 19,000 |
Model numbers with these certified figures
- MO3GX-H18B-2AMidea
- 4C28MC318H21CanAir
- A-KHP183A-1Kerr
- A-VHP183A-1Century, Comfort-Aire
- ACIQ-18Z-HH-M3C1HVAC, ACiQ
- BMMZ18HHCBlueridge
- BMS500-AAM018-1CSXHDBosch
- BXM3A18UC0Blueridge
- BZ33-HYP183Z2-454-G3-PBreeze33
- CCOXHBMZ318HPCustom Comfort
- CH-RHP19M-230VOC&H
- CH-RVHP19M-230VOCooper&Hunter
- CPM2B1-H18A-OCapella
- CPM2B1V-H18A-OCapella
- DIRM4-18HXPRO28-2ZDirect Air
- DIRM4-18HXPRO28-3ZDirect Air
- EDMO-18HEco Air
- EDMO-18H-3GXEco Air
- EMXMZ218DAEMI
- HMZ18H525ZMOSea Breeze
- KOB-HH-PS218HP-2AAMAKaden
- KOB-HH-PS318HP-2AAMAKaden
- LEA20MZ3P36-ONovair
- M3OD31-18HFN10-M1X-DMDV
- M3OD31-18HFN10-M1XD-DMDV
- ML18HP230MULH - OMainline
- MO3HX-H18B-2AMidea
- MOM18H2BH3AInnovair
- MOM18H2BH3BInnovair
- MXHZA1832AV1MoovAir
- NDHAMBB-18-ONapoleon
- SENA-18HF-MOASenville
- SMZ2B1-H18A-O · this pageStelpro
- SMZ2B1V-H18A-OStelpro
- T55-MULTI18E454Maxi Air
Product history
- SMZ2B1-H18A-O changed its certified heat output at 17°F on 3 pairings in the certified data between August 2025 and September 2026. The new figure is higher on all 3.
- SMZ2B1-H18A-O first appeared in the certified data between November 2024 and February 2025.