QuietScoreBathroom & Utility Fans › Tech Drive TD-BF-06-plus

Tech Drive TD-BF-06-plus noise level

The Tech Drive TD-BF-06-plus is certified at 0.3 sones (≈23 dBA) — quieter than 75% of the 839 bathroom & utility fans in the ENERGY STAR database. In practical terms it is near the threshold of human hearing — effectively silent in a normal room.
0.3sones (certified)
≈23 dBAapproximate conversion
60 CFMairflow
3.7CFM per watt

The Tech Drive TD-BF-06-plus is quieter than the category median of 0.7 sones, and its 60 CFM rating makes it suitable for bathrooms up to roughly 60 sq ft.

Full specifications

BrandTech Drive
Model numberTD-BF-06-plus
Model nameTD
CategoryBathroom & Utility Fans
Sound level0.3 sones (≈23 dBA, approximate)
Airflow60 CFM
Efficiency3.7 CFM/W
Duct size4.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2026-09-02
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
AUPU BF4-S10CL 0.1 7 100 CFM 9.5 CFM/W specs
AUPU V4-10HF 0.1 7 100 CFM 9.5 CFM/W specs
Broan-Nutone LP510R2 0.1 7 100 CFM 9.6 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Tech Drive TD-BF-06 0.3 23 70 CFM 4.6 CFM/W specs
Air King LEDAK50 0.3 23 50 CFM 4.4 CFM/W specs
Delta SLM70D2 0.3 23 70 CFM 7 CFM/W specs
Win Air BPT14-13E 0.3 23 70 CFM 4.6 CFM/W specs
Broan XB50 0.3 23 50 CFM 11.8 CFM/W specs

Frequently asked questions

How many sones is the Tech Drive TD-BF-06-plus?

The Tech Drive TD-BF-06-plus 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 Tech Drive TD-BF-06-plus quiet?

At 0.3 sones, the Tech Drive TD-BF-06-plus is quieter than 75% of the 839 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Tech Drive TD-BF-06-plus?

It moves 60 CFM, which is adequate for a bathroom of roughly 60 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 3.7 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.