Heat pump model numbers starting KM
17 certified units whose model number starts KM, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 17 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| KM18H5O | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| KM18H5O3 | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| KM18UH5O | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| KM18X6O | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| KM24H5O | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| KM24UH5O | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| KM24X6O | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| KM30H5O | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| KM30X6O | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| KM36H5O | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| KM36UH5O | mini-split | 36,000 Btu (3-ton) | 1 | 1 |
| KM36X6O | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| KM42H5O | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| KM42UH5O | mini-split | 42,000 Btu (3.5-ton) | 1 | 1 |
| KM42X6O | mini-split | 42,000 Btu (3.5-ton) | 1 | 3 |
| KM48X6O | mini-split | 48,000 Btu (4-ton) | 1 | 3 |
| KM60X6O | 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