Heat pump model numbers starting LW
11 certified units whose model number starts LW, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 11 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| LWSM-09IR410AHS22L | mini-split | 9,000 Btu | 1 | 1 |
| LWSM-09IR410AHS23 | mini-split | 9,000 Btu | 1 | 1 |
| LWSM-09IR454BHS24R | mini-split | 9,000 Btu | 1 | 1 |
| LWSM-12IR410AHS22L | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| LWSM-12IR410AHS23 | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| LWSM-12IR454BHS23LR | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| LWSM-12IR454BHS24R | mini-split | 12,000 Btu (1-ton) | 1 | 1 |
| LWSM-18IR410AHS21.5 | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| LWSM-18IR454BHS23R | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| LWSM-24IR410AHS20 | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| LWSM-24IR454BHS23R | 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