QuietScoreBathroom & Utility Fans › CFM TF100N

CFM TF100N noise level

The CFM TF100N is certified at 1.5 sones (≈46 dBA) — quieter than 11% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is noticeable but unobtrusive — quieter than a typical conversation.
1.5sones (certified)
≈46 dBAapproximate conversion
100 CFMairflow
4.2CFM per watt

The CFM TF100N 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

BrandCFM
Model numberTF100N
Model nameTF
CategoryBathroom & Utility Fans
Sound level1.5 sones (≈46 dBA, approximate)
Airflow100 CFM
Efficiency4.2 CFM/W
Duct size4.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2021-08-31
MarketsUnited 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
S&P PCLP100XP 1.5 46 100 CFM 4.2 CFM/W specs
Anzzi EF-AZ106MB 1.5 46 100 CFM 4 CFM/W specs
Anzzi EF-AZ106WH 1.5 46 100 CFM 4 CFM/W specs
Fantech SMPL100 (484302) 1.5 46 100 CFM 4 CFM/W specs
Fantech SMPL100L (484303) 1.5 46 100 CFM 4 CFM/W specs

Frequently asked questions

How many sones is the CFM TF100N?

The CFM TF100N is certified at 1.5 sones in ENERGY STAR lab testing, which is approximately 46 dBA. That is noticeable but unobtrusive — quieter than a typical conversation.

Is the CFM TF100N quiet?

At 1.5 sones, the CFM TF100N is quieter than 11% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the CFM TF100N?

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 4.2 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.