DuraSTAR DRA1H33S2AvsECOTEMP W4H7T36*K*AAA*
Side-by-side heat pump comparison
DuraSTAR DRA1H33S2A
SEER2
20BTU/Wh
HSPF2
10.5BTU/Wh
Cooling Capacity
33000BTU/hr
Cold Climate
Yes
Cold climate certified
ECOTEMP W4H7T36*K*AAA*
SEER2
15.2BTU/Wh
HSPF2
8.1BTU/Wh
Cooling Capacity
33200BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Key differences
DuraSTAR DRA1H33S2A is 24% more efficient at 20.0 BTU/Wh versus 15.2 BTU/Wh for the ECOTEMP W4H7T36*K*AAA*. The ECOTEMP W4H7T36*K*AAA* is larger at 33200 BTU/hr versus 33000 BTU/hr. DuraSTAR DRA1H33S2A uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the DuraSTAR DRA1H33S2A sits higher in the category, ranking above 64% of certified air-source heat pumps.
Efficiency
| Spec | DuraSTAR | ECOTEMP |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 20 | 15.2 |
| SEER2 (worst combination)(BTU/Wh) | 20 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 10.5 | 8.1 |
| HSPF2 (worst combination)(BTU/Wh) | 10.5 | 8.1 |
| EER2 (best combination)(BTU/Wh) | 11.7 | 11.7 |
| COP at 5 °F | 1.91 | — |
Capacity
| Spec | DuraSTAR | ECOTEMP |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 33000 | 33200 |
| Cooling Capacity (min)(BTU/hr) | 33000 | 33200 |
| Heating at 47 °F(BTU/hr) | 36000 | 34600 |
| Heating at 17 °F(BTU/hr) | 31000 | 21200 |
| Heating at 5 °F(BTU/hr) | 34600 | — |
Configuration
| Spec | DuraSTAR | ECOTEMP |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Split System |
| Compressor Staging | Continuously variable | Two-stage |
| Cold Climate Certified | Yes | No |
| Connected Capability | No | No |
| Series | DRA Series | 2-STAGE 17 SEER HP |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | DuraSTAR | ECOTEMP |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |