QuietScoreBathroom & Utility Fans › BV BV-BF-05

BV BV-BF-05 noise level

The BV BV-BF-05 is certified at 0.8 sones (≈37 dBA) — quieter than 44% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is comparable to a quiet modern refrigerator humming in the next room.
0.8sones (certified)
≈37 dBAapproximate conversion
90 CFMairflow
4.8CFM per watt

The BV BV-BF-05 is louder than the category median of 0.7 sones, and its 90 CFM rating makes it suitable for bathrooms up to roughly 90 sq ft.

Full specifications

BrandBV
Model numberBV-BF-05
Model nameBV-BF-05
CategoryBathroom & Utility Fans
Sound level0.8 sones (≈37 dBA, approximate)
Airflow90 CFM
Efficiency4.8 CFM/W
Duct size4.00 inch depth X 0.00 inch width
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2024-07-08
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
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
Broan XB80=XB00HwithXB80F 0.1 7 80 CFM 13.8 CFM/W specs
Greenheck SP-LP0810W 0.1 7 100 CFM 10 CFM/W specs
Greenheck SP-LP0810WL 0.1 7 100 CFM 9.5 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic RG-M79LA 0.8 37 90 CFM 4.1 CFM/W specs
Tech Drive TD-BF-02 0.8 37 90 CFM 3.9 CFM/W specs
Air King AK90LS6 0.8 37 90 CFM 4.5 CFM/W specs
BV BV-BF-01-PLUS 0.8 37 90 CFM 4.8 CFM/W specs
Dayton 5AE68B 0.8 37 90 CFM 4.3 CFM/W specs

Frequently asked questions

How many sones is the BV BV-BF-05?

The BV BV-BF-05 is certified at 0.8 sones in ENERGY STAR lab testing, which is approximately 37 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the BV BV-BF-05 quiet?

At 0.8 sones, the BV BV-BF-05 is quieter than 44% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the BV BV-BF-05?

It moves 90 CFM, which is adequate for a bathroom of roughly 90 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.8 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.