QuietScore › Bathroom & Utility Fans › Air King AK100LS6
Air King AK100LS6 noise level
The Air King AK100LS6 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 | Air King |
|---|---|
| Model number | AK100LS6 |
| Model name | Air King |
| Category | Bathroom & Utility Fans |
| Sound level | 1 sone (≈40 dBA, approximate) |
| Airflow | 100 CFM |
| Efficiency | 3.9 CFM/W |
| Duct size | 6.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2022-04-22 |
| Markets | United States, Canada |
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 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 = A000HFKT with AE100BF1 | 1 | 40 | 100 CFM | 4.7 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 Air King AK100LS6?
The Air King AK100LS6 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 Air King AK100LS6 quiet?
At 1 sone, the Air King AK100LS6 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 Air King AK100LS6?
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 3.9 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.