QuietScore › Bathroom & Utility Fans › Delta 150F
Delta 150F noise level
The Delta 150F is quieter 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 | Delta |
|---|---|
| Model number | 150F |
| Model name | BreezSmart |
| Category | Bathroom & Utility Fans |
| Sound level | 0.3 sones (≈23 dBA, approximate) |
| Airflow | 150 CFM |
| Efficiency | 8.9 CFM/W |
| Duct size | 6 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2016-12-23 |
| Markets | United States, Canada |
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 | |
|---|---|---|---|---|---|
| Air King E110S | 0.3 | 23 | 150 CFM | 4.5 CFM/W | specs |
| Air King E130S | 0.3 | 23 | 150 CFM | 4.5 CFM/W | specs |
| Air King E130SH | 0.3 | 23 | 150 CFM | 4.5 CFM/W | specs |
| Broan QTXE110150DC | 0.3 | 23 | 150 CFM | 11 CFM/W | specs |
| Broan QTXE110150DCL | 0.3 | 23 | 150 CFM | 11 CFM/W | specs |
Frequently asked questions
How many sones is the Delta 150F?
The Delta 150F 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 Delta 150F quiet?
At 0.3 sones, the Delta 150F 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 Delta 150F?
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 8.9 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.