QuietScore › Bathroom & Utility Fans › PROJECT SOURCE 8768-DS-PS
PROJECT SOURCE 8768-DS-PS noise level
The PROJECT SOURCE 8768-DS-PS 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 | PROJECT SOURCE |
|---|---|
| Model number | 8768-DS-PS |
| Model name | 8768-DS-PS |
| Category | Bathroom & Utility Fans |
| Sound level | 0.5 sones (≈30 dBA, approximate) |
| Airflow | 80 CFM |
| Efficiency | 9.1 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 2 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes |
| On market since | 2026-04-23 |
| Markets | United States |
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 | |
|---|---|---|---|---|---|
| Panasonic RG-S80LHA | 0.5 | 30 | 80 CFM | 9.3 CFM/W | specs |
| Air King AK80LS6 | 0.5 | 30 | 80 CFM | 4.7 CFM/W | specs |
| Air King AK80LS6H | 0.5 | 30 | 80 CFM | 4.7 CFM/W | specs |
| Delta GBR80HLED | 0.5 | 30 | 80 CFM | 7.3 CFM/W | specs |
| Greenheck SP-B80L | 0.5 | 30 | 82 CFM | 4.8 CFM/W | specs |
Frequently asked questions
How many sones is the PROJECT SOURCE 8768-DS-PS?
The PROJECT SOURCE 8768-DS-PS is certified at 0.5 sones in ENERGY STAR lab testing, which is approximately 30 dBA. That is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.
Is the PROJECT SOURCE 8768-DS-PS quiet?
At 0.5 sones, the PROJECT SOURCE 8768-DS-PS is quieter than 61% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the PROJECT SOURCE 8768-DS-PS?
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 9.1 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.