QuietScore › Bathroom & Utility Fans › Broan QT150LE
Broan QT150LE noise level
The Broan QT150LE is louder than the category median of 0.7 sones, and its 150 CFM rating makes it suitable for bathrooms up to roughly 150 sq ft.
Full specifications
| Brand | Broan |
|---|---|
| Model number | QT150LE |
| Model name | INVENT |
| Category | Bathroom & Utility Fans |
| Sound level | 1.5 sones (≈46 dBA, approximate) |
| Airflow | 150 CFM |
| Efficiency | 4.5 CFM/W |
| Duct size | 6.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes |
| On market since | 2026-08-01 |
| Markets | United States |
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 | |
|---|---|---|---|---|---|
| Broan QT130E | 1.5 | 46 | 130 CFM | 4.7 CFM/W | specs |
| Broan QT130LE | 1.5 | 46 | 130 CFM | 4.5 CFM/W | specs |
| Nutone QTN130LE1 | 1.5 | 46 | 130 CFM | 4.5 CFM/W | specs |
| Loren Cook Company GC-242 | 1.7 | 48 | 142 CFM | 5.3 CFM/W | specs |
| KORA SBF160DC-MS | 1.3 | 44 | 161.6 CFM | 8.7 CFM/W | specs |
Frequently asked questions
How many sones is the Broan QT150LE?
The Broan QT150LE is certified at 1.5 sones in ENERGY STAR lab testing, which is approximately 46 dBA. That is noticeable but unobtrusive — quieter than a typical conversation.
Is the Broan QT150LE quiet?
At 1.5 sones, the Broan QT150LE is quieter than 11% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Broan QT150LE?
It moves 150 CFM, which is adequate for a bathroom of roughly 150 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.5 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 2026-08-10. The dBA figure is an approximate conversion from sones — see our methodology.