Heat pump model numbers starting QS
3 certified units whose model number starts QS, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 3 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| QS15H18HA5 | central | 18,000 Btu (1.5-ton) | 1 | 83 |
| QS15H24HA5 | central | 24,000 Btu (2-ton) | 1 | 113 |
| QS15H30HA5 | central | 30,000 Btu (2.5-ton) | 1 | 16 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number