QuietScoreBathroom & Utility Fans › Air King AK80LS

Air King AK80LS noise level

The Air King AK80LS 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
4.5CFM per watt

The Air King AK80LS 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

BrandAir King
Model numberAK80LS
Model nameAir King
CategoryBathroom & Utility Fans
Sound level0.7 sones (≈35 dBA, approximate)
Airflow80 CFM
Efficiency4.5 CFM/W
Duct size4 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2018-03-16
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
Broan AE80B 0.7 35 80 CFM 3.3 CFM/W specs

Frequently asked questions

How many sones is the Air King AK80LS?

The Air King AK80LS 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 Air King AK80LS quiet?

At 0.7 sones, the Air King AK80LS 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 Air King AK80LS?

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 4.5 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 2026-06-13. The dBA figure is an approximate conversion from sones — see our methodology.