Heat pump model numbers starting C2
18 certified units whose model number starts C2, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 18 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| C22SCH09H11 | mini-split | 9,000 Btu | 1 | 1 |
| C22SCH09H21 | mini-split | 9,000 Btu | 1 | 1 |
| C23SCH18H22 | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| C23SCH24H22 | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| C25SCH09H21 | mini-split | 9,000 Btu | 1 | 1 |
| C25SCH12H21 | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| C28MC218H21 | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| C28MC218H22 | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| C28MC324H21 | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| C28MC328H21 | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| C28MC436H21 | mini-split | 36,000 Btu (3-ton) | 1 | 1 |
| C28MC436H22 | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| C28MC548H21 | mini-split | 48,000 Btu (4-ton) | 1 | 3 |
| C28SCH06H21 | mini-split | 6,000 Btu | 1 | 1 |
| C28SCH09H21 | mini-split | 9,000 Btu | 1 | 1 |
| C28SCH12H21 | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| C28SCH18H21 | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| C28SCH24H21 | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number