QuietScore › Bathroom & Utility Fans › Pennbarry ZQ80-4"
Pennbarry ZQ80-4" noise level
The Pennbarry ZQ80-4" is quieter than the category median of 0.7 sones, and its 80 CFM rating makes it suitable for bathrooms up to roughly 80 sq ft.
Full specifications
| Brand | Pennbarry |
|---|---|
| Model number | ZQ80-4" |
| Model name | Zephyr Quiet Ceiling Centrifugal Fan |
| Category | Bathroom & Utility Fans |
| Sound level | 0.3 sones (≈23 dBA, approximate) |
| Airflow | 80 CFM |
| Efficiency | 10.2 CFM/W |
| Duct size | 8.0 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2018-08-01 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Broan XB80=XB00HwithXB80F | 0.1 | 7 | 80 CFM | 13.8 CFM/W | specs |
| Greenheck SP-A70 | 0.1 | 7 | 70 CFM | 5.1 CFM/W | specs |
| Greenheck SP-A90L | 0.1 | 7 | 99 CFM | 6.1 CFM/W | specs |
| 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 |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| S&P PCD80XHP ME | 0.3 | 23 | 80 CFM | 14.4 CFM/W | specs |
| Broan 744L | 0.3 | 23 | 80 CFM | 2.9 CFM/W | specs |
| Broan RB80 | 0.3 | 23 | 80 CFM | 3 CFM/W | specs |
| Broan RB80L1 | 0.3 | 23 | 80 CFM | 2.9 CFM/W | specs |
| Broan XB80 | 0.3 | 23 | 80 CFM | 13.8 CFM/W | specs |
Frequently asked questions
How many sones is the Pennbarry ZQ80-4"?
The Pennbarry ZQ80-4" is certified at 0.3 sones in ENERGY STAR lab testing, which is approximately 23 dBA. That is near the threshold of human hearing — effectively silent in a normal room.
Is the Pennbarry ZQ80-4" quiet?
At 0.3 sones, the Pennbarry ZQ80-4" is quieter than 75% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the Pennbarry ZQ80-4"?
It moves 80 CFM, which is adequate for a bathroom of roughly 80 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 10.2 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.