QuietScore › Bathroom & Utility Fans › Tech Drive TD-BF-24L-5CCT(BL)
Tech Drive TD-BF-24L-5CCT(BL) noise level
The Tech Drive TD-BF-24L-5CCT(BL) 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 | Tech Drive |
|---|---|
| Model number | TD-BF-24L-5CCT(BL) |
| Model name | TD |
| 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 | 2026-09-03 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Panasonic FV-1115VK3 | 0.1 | 7 | 150 CFM | 13.7 CFM/W | specs |
| Panasonic FV-1115VK3 with FV-VS15VK1 | 0.1 | 7 | 150 CFM | 13.7 CFM/W | specs |
| Panasonic FV-1115VKL3 | 0.1 | 7 | 150 CFM | 12.2 CFM/W | specs |
| Panasonic FV-1115VKL3 with FV-VS15VK1 | 0.1 | 7 | 150 CFM | 12.2 CFM/W | specs |
| Panasonic FV-1115VQ1 | 0.1 | 7 | 150 CFM | 12.9 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Broan QT150LE | 1.5 | 46 | 150 CFM | 4.5 CFM/W | specs |
| 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 |
Frequently asked questions
How many sones is the Tech Drive TD-BF-24L-5CCT(BL)?
The Tech Drive TD-BF-24L-5CCT(BL) 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 Tech Drive TD-BF-24L-5CCT(BL) quiet?
At 1.5 sones, the Tech Drive TD-BF-24L-5CCT(BL) is quieter than 10% of the 839 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Tech Drive TD-BF-24L-5CCT(BL)?
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 2026-09-07. The dBA figure is an approximate conversion from sones — see our methodology.