QuietScore › Bathroom & Utility Fans › Air King AK280LS
Air King AK280LS noise level
The Air King AK280LS is louder than the category median of 0.7 sones, and its 280 CFM rating makes it suitable for bathrooms up to roughly 280 sq ft.
Full specifications
| Brand | Air King |
|---|---|
| Model number | AK280LS |
| Model name | N/A |
| Category | Bathroom & Utility Fans |
| Sound level | 2.8 sones (≈55 dBA, approximate) |
| Airflow | 280 CFM |
| Efficiency | 4.3 CFM/W |
| Duct size | 6 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2015-10-01 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Delta SMT150-200 | 0.4 | 27 | 200 CFM | 8.7 CFM/W | specs |
| Delta SMT150-200LED | 0.6 | 33 | 200 CFM | 10.3 CFM/W | specs |
| Broan L150E | 0.7 | 35 | 210 CFM | 5 CFM/W | specs |
| Broan L200E | 1 | 40 | 240 CFM | 4.7 CFM/W | specs |
| Delta PRO200 | 1 | 40 | 200 CFM | 11.4 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A250L | 2.5 | 53 | 269 CFM | 4.2 CFM/W | specs |
| Broan L300E | 2.5 | 53 | 310 CFM | 4.4 CFM/W | specs |
| Dayton 3DPE6A | 2.2 | 51 | 270 CFM | 4.3 CFM/W | specs |
| Greenheck SP-A250 | 2.2 | 51 | 270 CFM | 4.3 CFM/W | specs |
| Panasonic FV-30VQ3 | 2 | 50 | 280 CFM | 4.4 CFM/W | specs |
Frequently asked questions
How many sones is the Air King AK280LS?
The Air King AK280LS is certified at 2.8 sones in ENERGY STAR lab testing, which is approximately 55 dBA. That is clearly audible, similar to a television at low volume.
Is the Air King AK280LS quiet?
At 2.8 sones, the Air King AK280LS is quieter than 0% 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 AK280LS?
It moves 280 CFM, which is adequate for a bathroom of roughly 280 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.3 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.