Greenheck SP-B90-QDvsKORA SBF90N
Side-by-side ventilating fan comparison
Greenheck SP-B90-QD
Airflow
90CFM
Efficacy
4.3CFM/W
Sound Level
1.1sones
Type
Bathroom/Utility Room
KORA SBF90N
Airflow
94CFM
Efficacy
3.8CFM/W
Sound Level
0.8sones
Type
Bathroom/Utility Room
Key differences
Greenheck SP-B90-QD is 12% more efficient at 4.3 CFM/W versus 3.8 CFM/W for the KORA SBF90N. The KORA SBF90N is larger at 94 CFM versus 90 CFM. Overall, the Greenheck SP-B90-QD sits higher in the category, ranking above 29% of certified ventilating fans.
Performance
| Spec | Greenheck | KORA |
|---|---|---|
| Airflow(CFM) | 90 | 94 |
| Efficacy(CFM/W) | 4.3 | 3.8 |
| Sound Level(sones) | 1.1 | 0.8 |
| Number of Speeds | 1 | 1 |
Installation
| Spec | Greenheck | KORA |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Bathroom/Utility Room |
| Duct Size | 6 inch diameter | 4.00 inch diameter |
| Airflow at 0.25 in w.g.(CFM) | 71.6 | — |
| Sound at 0.25 in w.g.(sones) | 0 | — |
Lighting
| Spec | Greenheck | KORA |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |