Delta SMT150-200vsZephyr AK8400BS-ES
Side-by-side ventilating fan comparison
Delta SMT150-200
Airflow
200CFM
Efficacy
8.7CFM/W
Type
Bathroom/Utility Room
Zephyr AK8400BS-ES
Airflow
190CFM
Efficacy
3.9CFM/W
Sound Level
2sones
Type
Range Hood
Key differences
Delta SMT150-200 is 55% more efficient at 8.7 CFM/W versus 3.9 CFM/W for the Zephyr AK8400BS-ES. The Delta SMT150-200 is larger at 200 CFM versus 190 CFM. Overall, the Delta SMT150-200 sits higher in the category, ranking above 94% of certified ventilating fans.
Performance
| Spec | Delta | Zephyr |
|---|---|---|
| Airflow(CFM) | 200 | 190 |
| Efficacy(CFM/W) | 8.7 | 3.9 |
| Sound Level(sones) | — | 2 |
| Number of Speeds | 2 | 2 |
Installation
| Spec | Delta | Zephyr |
|---|---|---|
| Unit Type | Bathroom/Utility Room | Range Hood |
| Duct Size | 6.00 inch diameter | 6.00 inch depth X 0.00 inch width |
| Airflow at 0.25 in w.g.(CFM) | 203.4 | — |
| Sound at 0.25 in w.g.(sones) | 1.5 | — |
Lighting
| Spec | Delta | Zephyr |
|---|---|---|
| Includes Lighting | No | Yes |
| Ships with ENERGY STAR Lamp | No | No |