QuietScoreBathroom & Utility Fans › Nektra Pro 33003855

Nektra Pro 33003855 noise level

The Nektra Pro 33003855 is certified at 2 sones (≈50 dBA) — quieter than 1% of the 819 bathroom & utility fans in the ENERGY STAR database. In practical terms it is about the background level of a quiet office.
2sones (certified)
≈50 dBAapproximate conversion
110 CFMairflow
4.2CFM per watt

The Nektra Pro 33003855 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

BrandNektra Pro
Model number33003855
Model name33003855
CategoryBathroom & Utility Fans
Sound level2 sones (≈50 dBA, approximate)
Airflow110 CFM
Efficiency4.2 CFM/W
Duct size4.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2025-08-30
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
AERO PURE ABF110DHL5W 0.1 7 110 CFM 7.4 CFM/W specs
AERO PURE ABF110DHL6W 0.1 7 110 CFM 7.4 CFM/W specs
AUPU AV0511DSL3 0.1 7 110 CFM 7.4 CFM/W specs
AUPU B6-11HF 0.1 7 110 CFM 9.7 CFM/W specs
AUPU BF6-S13C 0.1 7 110 CFM 9.7 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Akicon AK13110N4-B 2 50 110 CFM 4.2 CFM/W specs
Akicon AK13110N4-S 2 50 110 CFM 4.2 CFM/W specs
Akicon AK13110N4-W 2 50 110 CFM 4.2 CFM/W specs
BV BV-BF-06 2 50 110 CFM 4.2 CFM/W specs
Wintek BPT13B-110N4 2 50 110 CFM 4.2 CFM/W specs

Frequently asked questions

How many sones is the Nektra Pro 33003855?

The Nektra Pro 33003855 is certified at 2 sones in ENERGY STAR lab testing, which is approximately 50 dBA. That is about the background level of a quiet office.

Is the Nektra Pro 33003855 quiet?

At 2 sones, the Nektra Pro 33003855 is quieter than 1% of the 819 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Nektra Pro 33003855?

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 4.2 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 2026-07-27. The dBA figure is an approximate conversion from sones — see our methodology.