Ortech ODD-90-1vsTech Drive TD-BF-11
Side-by-side ventilating fan comparison
Ortech ODD-90-1
Airflow
95CFM
Efficacy
13.2CFM/W
Sound Level
0.7sones
Type
Bathroom/Utility Room
Tech Drive TD-BF-11
Airflow
90CFM
Efficacy
4CFM/W
Sound Level
1.5sones
Type
Bathroom/Utility Room
Key differences
Ortech ODD-90-1 is 70% more efficient at 13.2 CFM/W versus 4.0 CFM/W for the Tech Drive TD-BF-11. The Ortech ODD-90-1 is larger at 95 CFM versus 90 CFM. Overall, the Ortech ODD-90-1 sits higher in the category, ranking above 95% of certified ventilating fans.
Performance
| Spec | Ortech | Tech Drive |
|---|---|---|
| Airflow(CFM) | 95 | 90 |
| Efficacy(CFM/W) | 13.2 | 4 |
| Sound Level(sones) | 0.7 | 1.5 |
| Number of Speeds | 1 | 1 |
Installation
| Spec | Ortech | Tech Drive |
|---|---|---|
| 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) | 78.9 | 82 |
| Sound at 0.25 in w.g.(sones) | 1.2 | 0 |
Lighting
| Spec | Ortech | Tech Drive |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |