QuietScoreBathroom & Utility Fans › Fantech SFC50-80-100LH (484311)

Fantech SFC50-80-100LH (484311) noise level

The Fantech SFC50-80-100LH (484311) is certified at 0.6 sones (≈33 dBA) — quieter than 55% 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.
0.6sones (certified)
≈33 dBAapproximate conversion
100 CFMairflow
9.3CFM per watt

The Fantech SFC50-80-100LH (484311) is quieter 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

BrandFantech
Model numberSFC50-80-100LH (484311)
Model namebathfan Select Fit
CategoryBathroom & Utility Fans
Sound level0.6 sones (≈33 dBA, approximate)
Airflow100 CFM
Efficiency9.3 CFM/W
Duct size4.00 inch depth X 0.00 inch width
Speeds3
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2023-06-30
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 PCLPD100XHP 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SF50-80-100 (484305) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SF50-80-100L (484306) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SFC50-80-100 (484307) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SFC50-80-100H (484308) 0.6 33 100 CFM 9.3 CFM/W specs

Frequently asked questions

How many sones is the Fantech SFC50-80-100LH (484311)?

The Fantech SFC50-80-100LH (484311) is certified at 0.6 sones in ENERGY STAR lab testing, which is approximately 33 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Fantech SFC50-80-100LH (484311) quiet?

At 0.6 sones, the Fantech SFC50-80-100LH (484311) is quieter than 55% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Fantech SFC50-80-100LH (484311)?

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 9.3 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.