KORA SBF70NvsPROJECT SOURCE 7140-70-PS
Side-by-side ventilating fan comparison
KORA SBF70N
Airflow
77CFM
Efficacy
3.8CFM/W
Sound Level
0.4sones
Type
Bathroom/Utility Room
PROJECT SOURCE 7140-70-PS
Airflow
70CFM
Efficacy
3.3CFM/W
Sound Level
2sones
Type
Bathroom/Utility Room
Key differences
KORA SBF70N is 13% more efficient at 3.8 CFM/W versus 3.3 CFM/W for the PROJECT SOURCE 7140-70-PS. The KORA SBF70N is larger at 77 CFM versus 70 CFM.
Performance
| Spec | KORA | PROJECT SOURCE |
|---|---|---|
| Airflow(CFM) | 77 | 70 |
| Efficacy(CFM/W) | 3.8 | 3.3 |
| Sound Level(sones) | 0.4 | 2 |
| Number of Speeds | 1 | 1 |
Installation
| Spec | KORA | PROJECT SOURCE |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Bathroom/Utility Room |
| Duct Size | 4.00 inch diameter | 4.00 inch diameter |
| Airflow at 0.25 in w.g.(CFM) | — | 51.7 |
| Sound at 0.25 in w.g.(sones) | — | 0 |
Lighting
| Spec | KORA | PROJECT SOURCE |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |