Heat pump model numbers starting C3
7 certified units whose model number starts C3, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 7 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| C32-MZ-2 | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| C32-MZ-3 | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| C32-MZ-4 | mini-split | 36,000 Btu (3-ton) | 1 | 1 |
| C32-MZ-5 | mini-split | 36,000 Btu (3-ton) | 1 | 1 |
| C3MS15CI3UC | central | 9,000 Btu | 1 | 1 |
| C3NS15CI3UC | central | 9,000 Btu | 1 | 1 |
| C3NS15IC3UC | central | 9,000 Btu | 1 | 1 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number