QuietScore › Bathroom & Utility Fans › Loren Cook Company GCVF 300
Loren Cook Company GCVF 300 noise level
The Loren Cook Company GCVF 300 is louder than the category median of 0.7 sones, and its 167 CFM rating makes it suitable for bathrooms up to roughly 165 sq ft.
Full specifications
| Brand | Loren Cook Company |
|---|---|
| Model number | GCVF 300 |
| Model name | Gemini, Model GC, VF |
| Category | Bathroom & Utility Fans |
| Sound level | 1.9 sones (≈49 dBA, approximate) |
| Airflow | 167 CFM |
| Efficiency | 9.9 CFM/W |
| Duct size | 8.0 inch depth X 6.0 inch width |
| 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 | |
|---|---|---|---|---|---|
| Air King EVD | 0.1 | 7 | 150 CFM | 4.5 CFM/W | specs |
| Air King EVDG | 0.1 | 7 | 150 CFM | 4.5 CFM/W | specs |
| Air King EVDGH | 0.1 | 7 | 150 CFM | 4.5 CFM/W | specs |
| Air King EVDH | 0.1 | 7 | 150 CFM | 4.5 CFM/W | specs |
| Air King EVLD | 0.1 | 7 | 150 CFM | 4.6 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A190L | 1.8 | 48 | 187 CFM | 3.7 CFM/W | specs |
| Loren Cook Company GC-242 | 1.7 | 48 | 142 CFM | 5.3 CFM/W | specs |
| Delta 130HS | 2 | 50 | 130 CFM | 6.7 CFM/W | specs |
| Delta VFB25AEH | 2 | 50 | 130 CFM | 6.7 CFM/W | specs |
| Loren Cook Company GCVF 100 | 1.7 | 48 | 127 CFM | 11.1 CFM/W | specs |
Frequently asked questions
How many sones is the Loren Cook Company GCVF 300?
The Loren Cook Company GCVF 300 is certified at 1.9 sones in ENERGY STAR lab testing, which is approximately 49 dBA. That is about the background level of a quiet office.
Is the Loren Cook Company GCVF 300 quiet?
At 1.9 sones, the Loren Cook Company GCVF 300 is quieter than 10% 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 300?
It moves 167 CFM, which is adequate for a bathroom of roughly 165 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 9.9 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.