Heat pump model numbers starting RO
14 certified units whose model number starts RO, out of every unit in the A to Z. Updated Oct 17, 2026.
The units
One row per certified model number. All 14 in this group are listed; nothing is held back for a second page.
| Model number | Type | Size class | Brands | Certified pairings |
|---|---|---|---|---|
| RO-MP36-LA-Q | mini-split | 36,000 Btu (3-ton) | 1 | 3 |
| RO-MQ28-LA-Q | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| RO-MS48-LA-Q | mini-split | 42,000 Btu (3.5-ton) | 1 | 3 |
| RO-MT18-LA-Q | mini-split | 18,000 Btu (1.5-ton) | 1 | 3 |
| RO-SZ09-AB-J | mini-split | 9,000 Btu | 1 | 1 |
| RO-SZ09-AB-Q | mini-split | 9,000 Btu | 1 | 1 |
| RO-SZ09-LA-J | mini-split | 9,000 Btu | 1 | 1 |
| RO-SZ09-LA-Q | mini-split | 9,000 Btu | 1 | 1 |
| RO-SZ18-AB-Q | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| RO-SZ18-LA-Q | mini-split | 18,000 Btu (1.5-ton) | 1 | 1 |
| RO-SZ24-LA-Q | mini-split | 24,000 Btu (2-ton) | 1 | 1 |
| RO-SZ30-AB-Q | mini-split | 30,000 Btu (2.5-ton) | 1 | 3 |
| RO2HFZ18AJ1H | mini-split | 18,000 Btu (1.5-ton) | 2 | 2 |
| RO3HFZ24AJ1H | mini-split | 24,000 Btu (2-ton) | 2 | 2 |
Other groups
Every model number group, A to Z
Find a model by its number, its indoor unit, or its AHRI number