QuietScore › Bathroom & Utility Fans › AUPU V4-10HF
AUPU V4-10HF noise level
The AUPU V4-10HF 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
| Brand | AUPU |
|---|---|
| Model number | V4-10HF |
| Model name | BF4 |
| Category | Bathroom & Utility Fans |
| Sound level | 0.1 sones (≈7 dBA, approximate) |
| Airflow | 100 CFM |
| Efficiency | 9.5 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 3 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes |
| On market since | 2026-06-19 |
| Markets | United States, Canada |
Similar bathroom & utility fans
| 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 |
Frequently asked questions
How many sones is the AUPU V4-10HF?
The AUPU V4-10HF is certified at 0.1 sones in ENERGY STAR lab testing, which is approximately 7 dBA. That is near the threshold of human hearing — effectively silent in a normal room.
Is the AUPU V4-10HF quiet?
At 0.1 sones, the AUPU V4-10HF is quieter than 88% of the 819 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the AUPU V4-10HF?
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 9.5 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 2026-07-27. The dBA figure is an approximate conversion from sones — see our methodology.