QuietScore › Bathroom & Utility Fans › Dayton 3DPE6A
Dayton 3DPE6A noise level
The Dayton 3DPE6A is louder than the category median of 0.7 sones, and its 270 CFM rating makes it suitable for bathrooms up to roughly 270 sq ft.
Full specifications
| Brand | Dayton |
|---|---|
| Model number | 3DPE6A |
| Model name | 3DPE6A |
| Category | Bathroom & Utility Fans |
| Sound level | 2.2 sones (≈51 dBA, approximate) |
| Airflow | 270 CFM |
| Efficiency | 4.3 CFM/W |
| Duct size | 8.0 inch depth X 8.0 inch width |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2009-01-10 |
| Markets | United States |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Delta SMT150-200 | 0.4 | 27 | 200 CFM | 8.7 CFM/W | specs |
| Delta SMT150-200LED | 0.6 | 33 | 200 CFM | 10.3 CFM/W | specs |
| Broan L150E | 0.7 | 35 | 210 CFM | 5 CFM/W | specs |
| Panasonic FV-20VQ3 | 0.9 | 38 | 190 CFM | 4.6 CFM/W | specs |
| Broan L200E | 1 | 40 | 240 CFM | 4.7 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A250 | 2.2 | 51 | 270 CFM | 4.3 CFM/W | specs |
| Panasonic FV-30VQ3 | 2 | 50 | 280 CFM | 4.4 CFM/W | specs |
| Greenheck SP-A250L | 2.5 | 53 | 269 CFM | 4.2 CFM/W | specs |
| Delta Pro300 | 2 | 50 | 300 CFM | 7.4 CFM/W | specs |
| Air King AK280LS | 2.8 | 55 | 280 CFM | 4.3 CFM/W | specs |
Frequently asked questions
How many sones is the Dayton 3DPE6A?
The Dayton 3DPE6A is certified at 2.2 sones in ENERGY STAR lab testing, which is approximately 51 dBA. That is clearly audible, similar to a television at low volume.
Is the Dayton 3DPE6A quiet?
At 2.2 sones, the Dayton 3DPE6A is quieter than 1% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Dayton 3DPE6A?
It moves 270 CFM, which is adequate for a bathroom of roughly 270 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.3 CFM per watt.
Data provenance: Sound levels are certified lab measurements (sones) reported in the U.S. EPA ENERGY STAR certified products dataset — not manufacturer marketing claims. Source: ENERGY STAR Certified Ventilating Fans (US EPA), last fetched 2026-06-13. The dBA figure is an approximate conversion from sones — see our methodology.