QuietScore › Bathroom & Utility Fans › Loren Cook Company GCVF 100
Loren Cook Company GCVF 100 noise level
The Loren Cook Company GCVF 100 is louder than the category median of 0.7 sones, and its 127 CFM rating makes it suitable for bathrooms up to roughly 125 sq ft.
Full specifications
| Brand | Loren Cook Company |
|---|---|
| Model number | GCVF 100 |
| Model name | Gemini, Model GC, VF 100 |
| Category | Bathroom & Utility Fans |
| Sound level | 1.7 sones (≈48 dBA, approximate) |
| Airflow | 127 CFM |
| Efficiency | 11.1 CFM/W |
| Duct size | 5.94 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2018-11-15 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A110 | 0.1 | 7 | 120 CFM | 6.2 CFM/W | specs |
| Panasonic Eco Solutions FV-0811RQ1 | 0.1 | 7 | 110 CFM | 5.1 CFM/W | specs |
| Panasonic Eco Solutions FV-0811RQC1 | 0.1 | 7 | 110 CFM | 4.9 CFM/W | specs |
| Fantech SC50-80-110 (484313) | 0.1 | 7 | 110 CFM | 10.7 CFM/W | specs |
| Fantech SC50-80-110H (494140) | 0.1 | 7 | 110 CFM | 10.7 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Loren Cook Company GC-242 | 1.7 | 48 | 142 CFM | 5.3 CFM/W | specs |
| KORA SBF110N | 1.6 | 47 | 119.2 CFM | 3.5 CFM/W | specs |
| Broan QT130E | 1.5 | 46 | 130 CFM | 4.7 CFM/W | specs |
| Broan QT130LE | 1.5 | 46 | 130 CFM | 4.5 CFM/W | specs |
| Nutone QTN130LE1 | 1.5 | 46 | 130 CFM | 4.5 CFM/W | specs |
Frequently asked questions
How many sones is the Loren Cook Company GCVF 100?
The Loren Cook Company GCVF 100 is certified at 1.7 sones in ENERGY STAR lab testing, which is approximately 48 dBA. That is about the background level of a quiet office.
Is the Loren Cook Company GCVF 100 quiet?
At 1.7 sones, the Loren Cook Company GCVF 100 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 Loren Cook Company GCVF 100?
It moves 127 CFM, which is adequate for a bathroom of roughly 125 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 11.1 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.