QuietScore › Bathroom & Utility Fans › Broan AE100B = A000HFKT with AE100BF1
Broan AE100B = A000HFKT with AE100BF1 noise level
The Broan AE100B = A000HFKT with AE100BF1 is louder than the category median of 0.7 sones, and its 100 CFM rating makes it suitable for bathrooms up to roughly 100 sq ft.
Full specifications
| Brand | Broan |
|---|---|
| Model number | AE100B = A000HFKT with AE100BF1 |
| Model name | FLEX |
| Category | Bathroom & Utility Fans |
| Sound level | 1 sone (≈40 dBA, approximate) |
| Airflow | 100 CFM |
| Efficiency | 4.7 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2023-06-14 |
| Markets | United States |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| 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 |
| Greenheck SP-LP0810WL | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| Venco SP-LP0810W | 0.1 | 7 | 100 CFM | 10 CFM/W | specs |
| Venco SP-LP0810WL | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Air King AK100LS6 | 1 | 40 | 100 CFM | 3.9 CFM/W | specs |
| Air King AK100LS6H | 1 | 40 | 100 CFM | 3.9 CFM/W | specs |
| Air King BFC100 | 1 | 40 | 100 CFM | 4.5 CFM/W | specs |
| Air King BFC100H | 1 | 40 | 100 CFM | 4.5 CFM/W | specs |
| Broan AE100B = A000HFNF with AE100BF1 | 1 | 40 | 100 CFM | 4.7 CFM/W | specs |
Frequently asked questions
How many sones is the Broan AE100B = A000HFKT with AE100BF1?
The Broan AE100B = A000HFKT with AE100BF1 is certified at 1 sone in ENERGY STAR lab testing, which is approximately 40 dBA. That is comparable to a quiet modern refrigerator humming in the next room.
Is the Broan AE100B = A000HFKT with AE100BF1 quiet?
At 1 sone, the Broan AE100B = A000HFKT with AE100BF1 is quieter than 30% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Broan AE100B = A000HFKT with AE100BF1?
It moves 100 CFM, which is adequate for a bathroom of roughly 100 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.7 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.