QuietScoreBathroom & Utility Fans › Greenheck SP-A125L

Greenheck SP-A125L noise level

The Greenheck SP-A125L is certified at 0.5 sones (≈30 dBA) — quieter than 61% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.
0.5sones (certified)
≈30 dBAapproximate conversion
131 CFMairflow
5.9CFM per watt

The Greenheck SP-A125L is quieter than the category median of 0.7 sones, and its 131 CFM rating makes it suitable for bathrooms up to roughly 130 sq ft.

Full specifications

BrandGreenheck
Model numberSP-A125L
Model nameSP
CategoryBathroom & Utility Fans
Sound level0.5 sones (≈30 dBA, approximate)
Airflow131 CFM
Efficiency5.9 CFM/W
Duct size6.00 inch depth X 8.00 inch width
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2021-08-02
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Greenheck SP-A110 0.1 7 120 CFM 6.2 CFM/W specs
Air King EVD 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDG 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDGH 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDH 0.1 7 150 CFM 4.5 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic RG-E130A 0.4 27 130 CFM 12.5 CFM/W specs
Dayton 5AE70B 0.5 30 120 CFM 6.2 CFM/W specs
S&P PC150XP 0.5 30 150 CFM 4.6 CFM/W specs
S&P PCD150 0.5 30 150 CFM 10.6 CFM/W specs
Anzzi EF-AZ104WH 0.5 30 150 CFM 4.6 CFM/W specs

Frequently asked questions

How many sones is the Greenheck SP-A125L?

The Greenheck SP-A125L is certified at 0.5 sones in ENERGY STAR lab testing, which is approximately 30 dBA. That is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.

Is the Greenheck SP-A125L quiet?

At 0.5 sones, the Greenheck SP-A125L is quieter than 61% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Greenheck SP-A125L?

It moves 131 CFM, which is adequate for a bathroom of roughly 130 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 5.9 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.