Delta GBR100vsOrtech ODD-90-1
Side-by-side ventilating fan comparison
Delta GBR100
Airflow
100CFM
Efficacy
7.9CFM/W
Sound Level
1.4sones
Type
Bathroom/Utility Room
Ortech ODD-90-1
Airflow
95CFM
Efficacy
13.2CFM/W
Sound Level
0.7sones
Type
Bathroom/Utility Room
Key differences
Ortech ODD-90-1 is 40% more efficient at 13.2 CFM/W versus 7.9 CFM/W for the Delta GBR100. The Delta GBR100 is larger at 100 CFM versus 95 CFM. Overall, the Ortech ODD-90-1 sits higher in the category, ranking above 95% of certified ventilating fans.
Performance
| Spec | Delta | Ortech |
|---|---|---|
| Airflow(CFM) | 100 | 95 |
| Efficacy(CFM/W) | 7.9 | 13.2 |
| Sound Level(sones) | 1.4 | 0.7 |
| Number of Speeds | 1 | 1 |
Installation
| Spec | Delta | Ortech |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Bathroom/Utility Room |
| Duct Size | 4 inch diameter | 4.00 inch diameter |
| Airflow at 0.25 in w.g.(CFM) | 81.4 | 78.9 |
| Sound at 0.25 in w.g.(sones) | — | 1.2 |
Lighting
| Spec | Delta | Ortech |
|---|---|---|
| Includes Lighting | No | No |
| Ships with ENERGY STAR Lamp | No | No |