QuietScoreBathroom & Utility Fans › Tech Drive FA-BF-02-L

Tech Drive FA-BF-02-L noise level

The Tech Drive FA-BF-02-L is certified at 1.5 sones (≈46 dBA) — quieter than 11% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is noticeable but unobtrusive — quieter than a typical conversation.
1.5sones (certified)
≈46 dBAapproximate conversion
70 CFMairflow
4CFM per watt

The Tech Drive FA-BF-02-L is louder than the category median of 0.7 sones, and its 70 CFM rating makes it suitable for bathrooms up to roughly 70 sq ft.

Full specifications

BrandTech Drive
Model numberFA-BF-02-L
Model nameFA
CategoryBathroom & Utility Fans
Sound level1.5 sones (≈46 dBA, approximate)
Airflow70 CFM
Efficiency4 CFM/W
Duct size3.00 inch depth X 0.00 inch width
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2024-11-22
MarketsUnited 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 744 1.5 46 70 CFM 4 CFM/W specs
Broan 744FL 1.5 46 70 CFM 4 CFM/W specs
Broan 744LED 1.5 46 70 CFM 4 CFM/W specs
Utilitech 7142-70-L 1.5 46 70 CFM 7.2 CFM/W specs
Valu+ BPT13-14DT-2 1.5 46 80 CFM 4.3 CFM/W specs

Frequently asked questions

How many sones is the Tech Drive FA-BF-02-L?

The Tech Drive FA-BF-02-L 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 FA-BF-02-L quiet?

At 1.5 sones, the Tech Drive FA-BF-02-L 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 Tech Drive FA-BF-02-L?

It moves 70 CFM, which is adequate for a bathroom of roughly 70 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4 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.