QuietScoreBathroom & Utility Fans › Broan 791LEDM

Broan 791LEDM noise level

The Broan 791LEDM is certified at 1.5 sones (≈46 dBA) — quieter than 11% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is noticeable but unobtrusive — quieter than a typical conversation.
1.5sones (certified)
≈46 dBAapproximate conversion
110 CFMairflow
4.3CFM per watt

The Broan 791LEDM is louder than the category median of 0.7 sones, and its 110 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.

Full specifications

BrandBroan
Model number791LEDM
Model nameINVENT
CategoryBathroom & Utility Fans
Sound level1.5 sones (≈46 dBA, approximate)
Airflow110 CFM
Efficiency4.3 CFM/W
Duct size4 inch diameter
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2019-01-12
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
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
Fantech SC50-80-110L (484314) 0.1 7 110 CFM 10.7 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Commercial Electric 7130-16-CE 1.5 46 110 CFM 4 CFM/W specs
Commercial Electric 7130-20-CE 1.5 46 110 CFM 3.9 CFM/W specs
Commercial Electric BPT14-24OD-H 1.5 46 110 CFM 4.3 CFM/W specs
VENTECHLATION BPT14-24TG-H 1.5 46 110 CFM 4.8 CFM/W specs
VENTECHLATION BPT14-24TGHS 1.5 46 110 CFM 4.8 CFM/W specs

Frequently asked questions

How many sones is the Broan 791LEDM?

The Broan 791LEDM is certified at 1.5 sones in ENERGY STAR lab testing, which is approximately 46 dBA. That is noticeable but unobtrusive — quieter than a typical conversation.

Is the Broan 791LEDM quiet?

At 1.5 sones, the Broan 791LEDM is quieter than 11% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Broan 791LEDM?

It moves 110 CFM, which is adequate for a bathroom of roughly 110 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.