LEA12SZ26-O
NOVAIR · HP - Mini or Multi Split
19–25.5BTU/Wh
10.2–11.5BTU/Wh
11500–12000BTU/hr
Yes
NOVAIR LEA12SZ26-O: SEER2 25.5 BTU/Wh, better than 92% of air-source heat pumps (category median 20 BTU/Wh).
SEER2: better than 79% of the 1144 comparable models within 10% of this capacity. Their median is 23.5 BTU/Wh.
Where this model sits
Better than 92% of air-source heat pumps.
The NOVAIR LEA12SZ26-O is a 12000 BTU/hr hp - mini or multi split using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 25.5 BTU/Wh it ranks better than 92% 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 23.5 BTU/Wh. In this size range, comparable GREE models average 24.3 BTU/Wh and Hisense models average 23 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 25.5BTU/Wh |
| SEER2 (worst combination) | 19BTU/Wh |
| HSPF2 (best combination) | 11.5BTU/Wh |
| HSPF2 (worst combination) | 10.2BTU/Wh |
| EER2 (best combination) | 13BTU/Wh |
| COP at 5 °F | 2.50 |
| Capacity | |
| Cooling Capacity (max) | 12000BTU/hr |
| Cooling Capacity (min) | 11500BTU/hr |
| Heating at 47 °F | 12000BTU/hr |
| Heating at 17 °F | 10400BTU/hr |
| Heating at 5 °F | 8900BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | LEA Series |
| Indoor-Unit Combinations Rated | 5 |
| Refrigerant | |
| Type | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) |
| Identifiers | |
| Model Number | LEA12SZ26-O |
| ENERGY STAR ID | ES_1141301_LEA12SZ26-O_07182025052802_29217606317 |
| Partner | Novair Heat Pumps Inc. |
| Date Certified | 2026-05-28 |
| Available From | 2025-07-18 |
| Markets | United States, Canada |
Documentation
We link to manufacturer documentation at its original source rather than rehosting it, so you always get the current revision.