QuietScoreBathroom & Utility Fans › Dayton 5AE68B

Dayton 5AE68B noise level

The Dayton 5AE68B is certified at 0.8 sones (≈37 dBA) — quieter than 44% 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.
0.8sones (certified)
≈37 dBAapproximate conversion
90 CFMairflow
4.3CFM per watt

The Dayton 5AE68B is louder than the category median of 0.7 sones, and its 90 CFM rating makes it suitable for bathrooms up to roughly 90 sq ft.

Full specifications

BrandDayton
Model number5AE68B
Model name5AE68B
CategoryBathroom & Utility Fans
Sound level0.8 sones (≈37 dBA, approximate)
Airflow90 CFM
Efficiency4.3 CFM/W
Duct size6.0 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2005-01-06
MarketsUnited States

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Greenheck SP-A90L 0.1 7 99 CFM 6.1 CFM/W specs
AUPU BF4-S10CL 0.1 7 100 CFM 9.5 CFM/W specs
Broan XB80=XB00HwithXB80F 0.1 7 80 CFM 13.8 CFM/W specs
Greenheck SP-LP0810W 0.1 7 100 CFM 10 CFM/W specs
Greenheck SP-LP0810WL 0.1 7 100 CFM 9.5 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic RG-M79LA 0.8 37 90 CFM 4.1 CFM/W specs
Tech Drive TD-BF-02 0.8 37 90 CFM 3.9 CFM/W specs
Air King AK90LS6 0.8 37 90 CFM 4.5 CFM/W specs
BV BV-BF-01-PLUS 0.8 37 90 CFM 4.8 CFM/W specs
BV BV-BF-05 0.8 37 90 CFM 4.8 CFM/W specs

Frequently asked questions

How many sones is the Dayton 5AE68B?

The Dayton 5AE68B is certified at 0.8 sones in ENERGY STAR lab testing, which is approximately 37 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Dayton 5AE68B quiet?

At 0.8 sones, the Dayton 5AE68B is quieter than 44% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Dayton 5AE68B?

It moves 90 CFM, which is adequate for a bathroom of roughly 90 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.