Heat pump model numbers starting PI
16 certified units whose model number starts PI, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 16 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| PIACWMZ1282280B | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| PIACWMZ9082280B | mini-split | 9,000 Btu | 1 | 1 |
| PIAW1221080AB | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| PIAW1225080AB | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| PIAW1232580B | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| PIAW1821080AB | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| PIAW1825080AB | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| PIAW1832580B | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| PIAW2421080AB | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| PIAW2432580B | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| PIAW932580B | mini-split | 9,000 Btu | 1 | 1 |
| PIAWMZ1882280AB | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| PIAWMZ2482380AB | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| PIAWMZ3082380AB | mini-split | 30,000 Btu (2.5-ton) | 1 | 1 |
| PIAWMZ3682380AB | mini-split | 36,000 Btu (3-ton) | 1 | 1 |
| PIAWMZ4282480AB | mini-split | 42,000 Btu (3.5-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