QuietScore › Bathroom & Utility Fans › Broan AER80LMB
Broan AER80LMB noise level
The Broan AER80LMB is louder 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
| Brand | Broan |
|---|---|
| Model number | AER80LMB |
| Model name | INVENT |
| Category | Bathroom & Utility Fans |
| Sound level | 0.8 sones (≈37 dBA, approximate) |
| Airflow | 80 CFM |
| Efficiency | 3.5 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes |
| On market since | 2026-08-01 |
| Markets | United 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 |
| AUPU BF4-S10CL | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| AUPU V4-10HF | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| Broan-Nutone LP510R2 | 0.1 | 7 | 100 CFM | 9.6 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Nutone AER80LWH | 0.8 | 37 | 80 CFM | 3.5 CFM/W | specs |
| Nutone AERN80LWH | 0.8 | 37 | 80 CFM | 3.5 CFM/W | specs |
| Delta 80F | 0.8 | 37 | 80 CFM | 9.5 CFM/W | specs |
| Delta 80F-DGL | 0.8 | 37 | 80 CFM | 9.5 CFM/W | specs |
| Delta 80HLED | 0.8 | 37 | 80 CFM | 7.3 CFM/W | specs |
Frequently asked questions
How many sones is the Broan AER80LMB?
The Broan AER80LMB 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 Broan AER80LMB quiet?
At 0.8 sones, the Broan AER80LMB is quieter than 43% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Broan AER80LMB?
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 3.5 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 2026-08-10. The dBA figure is an approximate conversion from sones — see our methodology.