OS-SR18-230VO
OLMO · HP - Mini or Multi Split
21BTU/Wh
9.8BTU/Wh
18000BTU/hr
R-32
OLMO OS-SR18-230VO: SEER2 21 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
The OLMO OS-SR18-230VO is a 18000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 21 BTU/Wh it ranks around the middle of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is less efficient than the peer median of 21 BTU/Wh. In this size range, comparable Midea models average 21.4 BTU/Wh and TOSOT models average 21 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 21BTU/Wh |
| SEER2 (worst combination) | 21BTU/Wh |
| HSPF2 (best combination) | 9.8BTU/Wh |
| HSPF2 (worst combination) | 9.8BTU/Wh |
| EER2 (best combination) | 11.9BTU/Wh |
| COP at 5 °F | 2.50 |
| Capacity | |
| Cooling Capacity (max) | 18000BTU/hr |
| Cooling Capacity (min) | 18000BTU/hr |
| Heating at 47 °F | 18000BTU/hr |
| Heating at 17 °F | 14800BTU/hr |
| Heating at 5 °F | 13700BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | No |
| Connected Capability | No |
| Series | SIERRA |
| Indoor-Unit Combinations Rated | 1 |
| Refrigerant | |
| Type | R-32 |
| GWP Rating | R-32 (GWP:675 | Lower GWP) |
| Identifiers | |
| Model Number | OS-SR18-230VO |
| ENERGY STAR ID | ES_1132968_OS-SR18-230VO_10202024035151_4780341 |
| Partner | Cooper&Hunter International Corporation |
| Date Certified | 2025-02-17 |
| Available From | 2024-10-20 |
| Markets | United States |
Documentation
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