QuietScoreBathroom & Utility Fans › Broan AER80LK

Broan AER80LK noise level

The Broan AER80LK 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
80 CFMairflow
3CFM per watt

The Broan AER80LK is exactly at 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 numberAER80LK
Model nameINVENT
CategoryBathroom & Utility Fans
Sound level0.7 sones (≈35 dBA, approximate)
Airflow80 CFM
Efficiency3 CFM/W
Duct size4.00 inch depth X 0.00 inch width
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2020-07-20
MarketsUnited States, Canada

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 PCLP80XP 0.7 35 80 CFM 4.7 CFM/W specs
Anzzi EF-AZ101WH 0.7 35 80 CFM 5.3 CFM/W specs
ACIQ AEP80 0.7 35 80 CFM 4.2 CFM/W specs
ACIQ AES80 0.7 35 80 CFM 4.7 CFM/W specs
Air King AK80LS 0.7 35 80 CFM 4.5 CFM/W specs

Frequently asked questions

How many sones is the Broan AER80LK?

The Broan AER80LK 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 Broan AER80LK quiet?

At 0.7 sones, the Broan AER80LK 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 Broan AER80LK?

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 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.