D5CSHAH18AAK
Day & Night · HP - Split System
18–21.5BTU/Wh
10.1–12.4BTU/Wh
16000–18000BTU/hr
Yes
Day & Night D5CSHAH18AAK: SEER2 21.5 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
The Day & Night D5CSHAH18AAK is a 18000 BTU/hr hp - split system using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 21.5 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 about as efficient as 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) | 21.5BTU/Wh |
| SEER2 (worst combination) | 18BTU/Wh |
| HSPF2 (best combination) | 12.4BTU/Wh |
| HSPF2 (worst combination) | 10.1BTU/Wh |
| EER2 (best combination) | 12.6BTU/Wh |
| COP at 5 °F | 2.20 |
| Capacity | |
| Cooling Capacity (max) | 18000BTU/hr |
| Cooling Capacity (min) | 16000BTU/hr |
| Heating at 47 °F | 20000BTU/hr |
| Heating at 17 °F | 18000BTU/hr |
| Heating at 5 °F | 18000BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Split System |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | D5F Series |
| Indoor-Unit Combinations Rated | 8 |
| Refrigerant | |
| Type | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) |
| Identifiers | |
| Model Number | D5CSHAH18AAK |
| ENERGY STAR ID | ES_1020846_D5CSHAH18AAK_07272024063136_6206703 |
| Partner | Carrier Corporation |
| Date Certified | 2026-05-06 |
| Available From | 2018-11-15 |
| Markets | United States, Canada |
Documentation
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