QuietScoreBathroom & Utility Fans › Broan 744L

Broan 744L noise level

The Broan 744L is certified at 0.3 sones (≈23 dBA) — quieter than 75% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is near the threshold of human hearing — effectively silent in a normal room.
0.3sones (certified)
≈23 dBAapproximate conversion
80 CFMairflow
2.9CFM per watt

The Broan 744L is quieter than the category median of 0.7 sones, and its 80 CFM rating makes it suitable for bathrooms up to roughly 80 sq ft.

Full specifications

BrandBroan
Model number744L
Model nameRECESSED FAN/LIGHT
CategoryBathroom & Utility Fans
Sound level0.3 sones (≈23 dBA, approximate)
Airflow80 CFM
Efficiency2.9 CFM/W
Duct size4.00 inch depth X 0.00 inch width
Speeds2
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2023-11-08
MarketsUnited States

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Broan XB80=XB00HwithXB80F 0.1 7 80 CFM 13.8 CFM/W specs
Greenheck SP-A70 0.1 7 70 CFM 5.1 CFM/W specs
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
Greenheck SP-LP0810W 0.1 7 100 CFM 10 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
S&P PCD80XHP ME 0.3 23 80 CFM 14.4 CFM/W specs
Broan RB80 0.3 23 80 CFM 3 CFM/W specs
Broan RB80L1 0.3 23 80 CFM 2.9 CFM/W specs
Broan XB80 0.3 23 80 CFM 13.8 CFM/W specs
Nutone 744RNL 0.3 23 80 CFM 2.9 CFM/W specs

Frequently asked questions

How many sones is the Broan 744L?

The Broan 744L is certified at 0.3 sones in ENERGY STAR lab testing, which is approximately 23 dBA. That is near the threshold of human hearing — effectively silent in a normal room.

Is the Broan 744L quiet?

At 0.3 sones, the Broan 744L is quieter than 75% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Broan 744L?

It moves 80 CFM, which is adequate for a bathroom of roughly 80 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 2.9 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.