Heat pump model numbers starting AJ
16 certified units whose model number starts AJ, 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 |
|---|---|---|---|---|
| AJ020DXJ2CG | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| AJ020DXS3CG | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| AJ024DXJ3CG | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| AJ024DXS4CG | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| AJ030DXS4CG | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| AJ036DXJ4CG | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| AJ036DXS4CG | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| AJ048DXJ5CG | mini-split | 42,000 Btu (3.5-ton) | 1 | 3 |
| AJAN09HP115V1CO | mini-split | 9,000 Btu | 1 | 1 |
| AJAN09HP230V1CO | mini-split | 9,000 Btu | 1 | 1 |
| AJAN12HP115V1CO | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| AJAN12HP230V1CO | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| AJAN18HP230V1CO | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| AJAN24HP230V1CO | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| AJAN36HP230V1CO | mini-split | 36,000 Btu (3-ton) | 2 | 2 |
| AJAN36HP230V2CO | mini-split | 36,000 Btu (3-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