Heat pump model numbers starting DX
10 certified units whose model number starts DX, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 10 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| DXH09PSK3IH | mini-split | 9,000 Btu | 4 | 8 |
| DXH12PSK3IH | mini-split | 12,000 Btu (1-ton) | 4 | 8 |
| DXH18FMK3IH | mini-split | 18,000 Btu (1.5-ton) | 4 | 12 |
| DXH18PSK3IH | mini-split | 18,000 Btu (1.5-ton) | 4 | 4 |
| DXH24FMK3IH | mini-split | 24,000 Btu (2-ton) | 4 | 12 |
| DXH24PSK3IH | mini-split | 24,000 Btu (2-ton) | 4 | 4 |
| DXH30FMK3IH | mini-split | 30,000 Btu (2.5-ton) | 4 | 12 |
| DXH36ESK3IL | mini-split | 36,000 Btu (3-ton) | 4 | 4 |
| DXH36FMK3IH | mini-split | 36,000 Btu (3-ton) | 4 | 12 |
| DXH42FMK3IH | mini-split | 42,000 Btu (3.5-ton) | 4 | 12 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number