QuietScoreBathroom & Utility Fans › Greenheck SP-A125

Greenheck SP-A125 noise level

The Greenheck SP-A125 is certified at 0.7 sones (≈35 dBA) — quieter than 49% 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.
0.7sones (certified)
≈35 dBAapproximate conversion
109 CFMairflow
5.8CFM per watt

The Greenheck SP-A125 is exactly at the category median of 0.7 sones, and its 109 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.

Full specifications

BrandGreenheck
Model numberSP-A125
Model nameSP
CategoryBathroom & Utility Fans
Sound level0.7 sones (≈35 dBA, approximate)
Airflow109 CFM
Efficiency5.8 CFM/W
Duct size6.0 inch depth X 8.0 inch width
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2010-01-01
MarketsUnited States

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
AERO PURE ABF110L5W 0.7 35 110 CFM 4.4 CFM/W specs
AUPU AV11AL1 0.7 35 110 CFM 4.4 CFM/W specs
AUPU AV11AL2 0.7 35 110 CFM 4.4 CFM/W specs
KORA SBF90DC-MS 0.7 35 98.1 CFM 10.7 CFM/W specs
Broan-Nutone PCPE811 0.6 33 110 CFM 4.2 CFM/W specs

Frequently asked questions

How many sones is the Greenheck SP-A125?

The Greenheck SP-A125 is certified at 0.7 sones in ENERGY STAR lab testing, which is approximately 35 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Greenheck SP-A125 quiet?

At 0.7 sones, the Greenheck SP-A125 is quieter than 49% of the 811 certified bathroom & utility fans we track, and exactly at the category median of 0.7 sones.

How powerful is the Greenheck SP-A125?

It moves 109 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 5.8 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.