QuietScoreBathroom & Utility Fans › Win Air BPT14-24E

Win Air BPT14-24E noise level

The Win Air BPT14-24E is certified at 1.2 sones (≈43 dBA) — quieter than 25% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is noticeable but unobtrusive — quieter than a typical conversation.
1.2sones (certified)
≈43 dBAapproximate conversion
110 CFMairflow
4.5CFM per watt

The Win Air BPT14-24E is louder than the category median of 0.7 sones, and its 110 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.

Full specifications

BrandWin Air
Model numberBPT14-24E
Model nameBPT
CategoryBathroom & Utility Fans
Sound level1.2 sones (≈43 dBA, approximate)
Airflow110 CFM
Efficiency4.5 CFM/W
Duct size4.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2021-05-05
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Panasonic Eco Solutions FV-0811RQ1 0.1 7 110 CFM 5.1 CFM/W specs
Panasonic Eco Solutions FV-0811RQC1 0.1 7 110 CFM 4.9 CFM/W specs
Fantech SC50-80-110 (484313) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110H (494140) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110L (484314) 0.1 7 110 CFM 10.7 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Valu+ BPT14-24TGHS 1.2 43 110 CFM 4.8 CFM/W specs
Broan-Nutone PCPE811K = PCPE811H with PCPE811KF 1.2 43 110 CFM 4.2 CFM/W specs
BV BV-BF-02-PLUS 1.2 43 110 CFM 4.8 CFM/W specs
Nektra 3291028 1.2 43 110 CFM 4.5 CFM/W specs
COSTWAY BPT14-24A-A-1 1.2 43 110 CFM 4.3 CFM/W specs

Frequently asked questions

How many sones is the Win Air BPT14-24E?

The Win Air BPT14-24E is certified at 1.2 sones in ENERGY STAR lab testing, which is approximately 43 dBA. That is noticeable but unobtrusive — quieter than a typical conversation.

Is the Win Air BPT14-24E quiet?

At 1.2 sones, the Win Air BPT14-24E is quieter than 25% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Win Air BPT14-24E?

It moves 110 CFM, which is adequate for a bathroom of roughly 110 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 2026-06-13. The dBA figure is an approximate conversion from sones — see our methodology.