QuietScore › Bathroom & Utility Fans › Broan XB50=XB00HwithXB50F
Broan XB50=XB00HwithXB50F noise level
The Broan XB50=XB00HwithXB50F is quieter than the category median of 0.7 sones, and its 50 CFM rating makes it suitable for bathrooms up to roughly 50 sq ft.
Full specifications
| Brand | Broan |
|---|---|
| Model number | XB50=XB00HwithXB50F |
| Model name | ULTRA GREEN |
| Category | Bathroom & Utility Fans |
| Sound level | 0.2 sones (≈17 dBA, approximate) |
| Airflow | 50 CFM |
| Efficiency | 11.8 CFM/W |
| Duct size | 6 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2019-02-15 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A70 | 0.1 | 7 | 70 CFM | 5.1 CFM/W | specs |
| Broan XB80=XB00HwithXB80F | 0.1 | 7 | 80 CFM | 13.8 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 | |
|---|---|---|---|---|---|
| Broan XB50L1 | 0.2 | 17 | 50 CFM | 11.8 CFM/W | specs |
| Air King LEDAK50 | 0.3 | 23 | 50 CFM | 4.4 CFM/W | specs |
| Broan XB50 | 0.3 | 23 | 50 CFM | 11.8 CFM/W | specs |
| Greenheck SP-B50L | 0.3 | 23 | 59 CFM | 3.8 CFM/W | specs |
| S&P PC50XP | 0.4 | 27 | 50 CFM | 4 CFM/W | specs |
Frequently asked questions
How many sones is the Broan XB50=XB00HwithXB50F?
The Broan XB50=XB00HwithXB50F is certified at 0.2 sones in ENERGY STAR lab testing, which is approximately 17 dBA. That is near the threshold of human hearing — effectively silent in a normal room.
Is the Broan XB50=XB00HwithXB50F quiet?
At 0.2 sones, the Broan XB50=XB00HwithXB50F is quieter than 84% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the Broan XB50=XB00HwithXB50F?
It moves 50 CFM, which is adequate for a bathroom of roughly 50 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 11.8 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.