Heat pump model numbers starting CA
12 certified units whose model number starts CA, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 12 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| CA-09UXEO | mini-split | 9,000 Btu | 1 | 1 |
| CA-12UXEO | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| CA-18UXEO | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| CA-24UHDO | central | 24,000 Btu (2-ton) | 1 | 1 |
| CA-24UXEO | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| CA-36UHDO | central | 36,000 Btu (3-ton) | 1 | 1 |
| CA-48UHDO | central | 48,000 Btu (4-ton) | 1 | 1 |
| CA2-18UMTO | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| CA3-24UMTO | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| CA4-36UMTO | mini-split | 30,000 Btu (2.5-ton) | 1 | 1 |
| CA5-42UMTO | mini-split | 42,000 Btu (3.5-ton) | 1 | 1 |
| CARAT18CD(O)-HP | mini-split | 18,000 Btu (1.5-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