Heat pump model numbers starting OM
15 certified units whose model number starts OM, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 15 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| OMEGA091E | mini-split | 9,000 Btu | 1 | 1 |
| OMEGA120E | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| OMEGA121E | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| OMEGA181E | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| OMEGA241E | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| OMSTAR091E | mini-split | 9,000 Btu | 1 | 1 |
| OMSTAR120E | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| OMSTAR121E | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| OMSTAR181E | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| OMSTAR241E | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| OMZH090C | mini-split | 9,000 Btu | 1 | 1 |
| OMZH120C | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| OMZH121C | mini-split | 12,000 Btu (1-ton) | 1 | 4 |
| OMZH181C | mini-split | 18,000 Btu (1.5-ton) | 1 | 4 |
| OMZH241C | mini-split | 24,000 Btu (2-ton) | 1 | 4 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number