Heat pump model numbers starting 3U
2 certified units whose model number starts 3U, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 2 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| 3U24EH2HD | mini-split | 24,000 Btu (2-ton) | 1 | 4 |
| 3U24MS2HD | 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