QuietScoreBathroom & Utility Fans › Cyclone CE50

Cyclone CE50 noise level

The Cyclone CE50 is certified at 2 sones (≈50 dBA) — quieter than 1% of the 811 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
50 CFMairflow
3.1CFM per watt

The Cyclone CE50 is louder than the category median of 0.7 sones, and its 50 CFM rating makes it suitable for bathrooms up to roughly 50 sq ft.

Full specifications

BrandCyclone
Model numberCE50
Model nameCE50
CategoryBathroom & Utility Fans
Sound level2 sones (≈50 dBA, approximate)
Airflow50 CFM
Efficiency3.1 CFM/W
Duct size3.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2025-12-15
MarketsCanada

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 688ESL 2 50 50 CFM 3 CFM/W specs
Broan-Nutone 6884E = 6884EH with 1688EF 2 50 50 CFM 2.9 CFM/W specs
Broan-Nutone 6884E = 6884H with 1688EF 2 50 50 CFM 2.9 CFM/W specs
Broan-Nutone 6884ES 2 50 50 CFM 2.9 CFM/W specs
Broan-Nutone 6884ES = 6884EH with 1688ESF 2 50 50 CFM 2.9 CFM/W specs

Frequently asked questions

How many sones is the Cyclone CE50?

The Cyclone CE50 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 Cyclone CE50 quiet?

At 2 sones, the Cyclone CE50 is quieter than 1% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Cyclone CE50?

It moves 50 CFM, which is adequate for a bathroom of roughly 50 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 3.1 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.