Heat pump model numbers starting CO
4 certified units whose model number starts CO, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 4 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| COH17S-36AD | central | 24,000 Btu (2-ton) | 1 | 2 |
| COH17S-60AD | central | 36,000 Btu (3-ton) | 1 | 3 |
| COT-D36HNR8-EA01(J0) | central | 24,000 Btu (2-ton) | 1 | 2 |
| COT-D60HNR8-GA01(J0) | central | 48,000 Btu (4-ton) | 1 | 2 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number