Heat pump model numbers starting ZS
14 certified units whose model number starts ZS, 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 |
|---|---|---|---|---|
| ZSOU-24HDG-HYPER | central | 24,000 Btu (2-ton) | 1 | 1 |
| ZSOV-24HDM-US | mini-split | 24,000 Btu (2-ton) | 1 | 3 |
| ZSOV-48HDM-US | mini-split | 48,000 Btu (4-ton) | 1 | 1 |
| ZSOVA-18HDMB-US | central | 18,000 Btu (1.5-ton) | 1 | 1 |
| ZSOVA-18HDMB-USHH | central | 18,000 Btu (1.5-ton) | 1 | 1 |
| ZSOVA-24HDMB-US | central | 24,000 Btu (2-ton) | 1 | 1 |
| ZSOVA-24HDMB-USHH | central | 24,000 Btu (2-ton) | 1 | 1 |
| ZSOVA-30HDMB-USHH | central | 30,000 Btu (2.5-ton) | 1 | 1 |
| ZSOVA-36HDMB-US | central | 36,000 Btu (3-ton) | 1 | 1 |
| ZSOVA-36HDMB-USHH | central | 36,000 Btu (3-ton) | 1 | 1 |
| ZSOVA-48HDMB-US | central | 48,000 Btu (4-ton) | 1 | 1 |
| ZSOVA-48HDMB-USHH | central | 48,000 Btu (4-ton) | 1 | 1 |
| ZSOVA-60HDMB-US | central | 54,000 Btu (4.5-ton) | 1 | 1 |
| ZSOVA-60HDMB-USHH | central | 54,000 Btu (4.5-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