QuietScoreBathroom & Utility Fans › Air King AK100H

Air King AK100H noise level

The Air King AK100H is certified at 2 sones (≈50 dBA) — quieter than 1% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is about the background level of a quiet office.
2sones (certified)
≈50 dBAapproximate conversion
100 CFMairflow
3.8CFM per watt

The Air King AK100H 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

BrandAir King
Model numberAK100H
Model nameAK100H
CategoryBathroom & Utility Fans
Sound level2 sones (≈50 dBA, approximate)
Airflow100 CFM
Efficiency3.8 CFM/W
Duct size4 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2016-01-19
MarketsUnited 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
S&P PCLP100 2 50 100 CFM 4.2 CFM/W specs
Anzzi EF-AZ107WH 2 50 100 CFM 3.9 CFM/W specs
Anzzi EF-AZ108WH 2 50 100 CFM 3.9 CFM/W specs
ACIQ AP100 2 50 100 CFM 3.9 CFM/W specs
Air King AK110PN 2 50 100 CFM 3.8 CFM/W specs

Frequently asked questions

How many sones is the Air King AK100H?

The Air King AK100H is certified at 2 sones in ENERGY STAR lab testing, which is approximately 50 dBA. That is about the background level of a quiet office.

Is the Air King AK100H quiet?

At 2 sones, the Air King AK100H is quieter than 1% 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 AK100H?

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 3.8 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.