Greenheck SP-A125vsPanasonic RG-C811A
Side-by-side ventilating fan comparison
Greenheck SP-A125
Airflow
109CFM
Efficacy
5.8CFM/W
Sound Level
0.7sones
Type
Bathroom/Utility Room
Panasonic RG-C811A
Airflow
110CFM
Efficacy
9.9CFM/W
Type
Bathroom/Utility Room
Key differences
Panasonic RG-C811A is 41% more efficient at 9.9 CFM/W versus 5.8 CFM/W for the Greenheck SP-A125. The Panasonic RG-C811A is larger at 110 CFM versus 109 CFM. Overall, the Panasonic RG-C811A sits higher in the category, ranking above 84% of certified ventilating fans.
Performance
| Spec | Greenheck | Panasonic |
|---|---|---|
| Airflow(CFM) | 109 | 110 |
| Efficacy(CFM/W) | 5.8 | 9.9 |
| Sound Level(sones) | 0.7 | — |
| Number of Speeds | 1 | 2 |
Installation
| Spec | Greenheck | Panasonic |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Bathroom/Utility Room |
| Duct Size | 6.0 inch depth X 8.0 inch width | 4.00 inch diameter |
| Airflow at 0.25 in w.g.(CFM) | — | 110.3 |
| Sound at 0.25 in w.g.(sones) | 0.6 | 0 |
Lighting
| Spec | Greenheck | Panasonic |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |