SU-AORAKI18-230/O
TOSOT · HP - Mini or Multi Split
21–24.5BTU/Wh
9–9.5BTU/Wh
18000BTU/hr
Yes
TOSOT SU-AORAKI18-230/O: SEER2 24.5 BTU/Wh, better than 87% of air-source heat pumps (category median 20 BTU/Wh).
SEER2: better than 87% of the 1837 comparable models within 10% of this capacity. Their median is 21 BTU/Wh.
Where this model sits
Better than 87% of air-source heat pumps.
The TOSOT SU-AORAKI18-230/O is a 18000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 24.5 BTU/Wh it ranks better than 88% of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is more efficient than the peer median of 21 BTU/Wh. In this size range, comparable Midea models average 21.4 BTU/Wh and GREE models average 21 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 24.5BTU/Wh |
| SEER2 (worst combination) | 21BTU/Wh |
| HSPF2 (best combination) | 9.5BTU/Wh |
| HSPF2 (worst combination) | 9BTU/Wh |
| EER2 (best combination) | 14BTU/Wh |
| COP at 5 °F | 1.90 |
| Capacity | |
| Cooling Capacity (max) | 18000BTU/hr |
| Cooling Capacity (min) | 18000BTU/hr |
| Heating at 47 °F | 18000BTU/hr |
| Heating at 17 °F | 14700BTU/hr |
| Heating at 5 °F | 15800BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | AORAKI |
| Indoor-Unit Combinations Rated | 4 |
| Refrigerant | |
| Type | R-32 |
| GWP Rating | R-32 (GWP:675 | Lower GWP) |
| Identifiers | |
| Model Number | SU-AORAKI18-230/O |
| ENERGY STAR ID | ES_1105164_SU-AORAKI18-230/O_06262026073001_29218636307 |
| Partner | Gree Electric Appliances Inc. of Zhuhai |
| Date Certified | 2026-06-29 |
| Available From | 2025-10-30 |
| Markets | United States, Canada |
Documentation
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