Air King AK280LSvsGreenheck SP-A250
Side-by-side ventilating fan comparison
Air King AK280LS
Airflow
280CFM
Efficacy
4.3CFM/W
Sound Level
2.8sones
Type
Bathroom/Utility Room
Greenheck SP-A250
Airflow
270CFM
Efficacy
4.3CFM/W
Sound Level
2.2sones
Type
Bathroom/Utility Room
Key differences
The Air King AK280LS is larger at 280 CFM versus 270 CFM.
Performance
| Spec | Air King | Greenheck |
|---|---|---|
| Airflow(CFM) | 280 | 270 |
| Efficacy(CFM/W) | 4.3 | 4.3 |
| Sound Level(sones) | 2.8 | 2.2 |
| Number of Speeds | 1 | 1 |
Installation
| Spec | Air King | Greenheck |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Bathroom/Utility Room |
| Duct Size | 6 inch diameter | 8.0 inch depth X 8.0 inch width |
| Airflow at 0.25 in w.g.(CFM) | 257.1 | 250 |
| Sound at 0.25 in w.g.(sones) | — | 3 |
Lighting
| Spec | Air King | Greenheck |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |