Heat pump model numbers starting A6
3 certified units whose model number starts A6, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 3 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| A6MO21-48N2-M1 | mini-split | 42,000 Btu (3.5-ton) | 1 | 3 |
| A6MO23-48N2-M1H | mini-split | 48,000 Btu (4-ton) | 1 | 3 |
| A6MO23-55N2-M1H | mini-split | 54,000 Btu (4.5-ton) | 1 | 3 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number