QuietScoreBathroom & Utility Fans › Dayton 3DPE5B

Dayton 3DPE5B noise level

The Dayton 3DPE5B is certified at 0.7 sones (≈35 dBA) — quieter than 49% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is comparable to a quiet modern refrigerator humming in the next room.
0.7sones (certified)
≈35 dBAapproximate conversion
130 CFMairflow
5.8CFM per watt

The Dayton 3DPE5B is exactly at the category median of 0.7 sones, and its 130 CFM rating makes it suitable for bathrooms up to roughly 130 sq ft.

Full specifications

BrandDayton
Model number3DPE5B
Model name3DPE5B
CategoryBathroom & Utility Fans
Sound level0.7 sones (≈35 dBA, approximate)
Airflow130 CFM
Efficiency5.8 CFM/W
Duct size6.0 inch depth X 8.0 inch width
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2009-01-10
MarketsUnited States

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Greenheck SP-A110 0.1 7 120 CFM 6.2 CFM/W specs
Panasonic Eco Solutions FV-0811RQ1 0.1 7 110 CFM 5.1 CFM/W specs
Panasonic Eco Solutions FV-0811RQC1 0.1 7 110 CFM 4.9 CFM/W specs
Fantech SC50-80-110 (484313) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110H (494140) 0.1 7 110 CFM 10.7 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Milano TY-130-E 0.7 35 130 CFM 4.1 CFM/W specs
AERO PURE ABF110L5W 0.7 35 110 CFM 4.4 CFM/W specs
AUPU AV11AL1 0.7 35 110 CFM 4.4 CFM/W specs
AUPU AV11AL2 0.7 35 110 CFM 4.4 CFM/W specs
Greenheck SP-A125L 0.5 30 131 CFM 5.9 CFM/W specs

Frequently asked questions

How many sones is the Dayton 3DPE5B?

The Dayton 3DPE5B is certified at 0.7 sones in ENERGY STAR lab testing, which is approximately 35 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Dayton 3DPE5B quiet?

At 0.7 sones, the Dayton 3DPE5B is quieter than 49% of the 811 certified bathroom & utility fans we track, and exactly at the category median of 0.7 sones.

How powerful is the Dayton 3DPE5B?

It moves 130 CFM, which is adequate for a bathroom of roughly 130 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 5.8 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.