QuietScoreBathroom & Utility Fans › Greenheck SP-A90L

Greenheck SP-A90L noise level

The Greenheck SP-A90L is certified at 0.1 sones (≈7 dBA) — quieter than 87% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is near the threshold of human hearing — effectively silent in a normal room.
0.1sones (certified)
≈7 dBAapproximate conversion
99 CFMairflow
6.1CFM per watt

The Greenheck SP-A90L is quieter than the category median of 0.7 sones, and its 99 CFM rating makes it suitable for bathrooms up to roughly 100 sq ft.

Full specifications

BrandGreenheck
Model numberSP-A90L
Model nameSP
CategoryBathroom & Utility Fans
Sound level0.1 sones (≈7 dBA, approximate)
Airflow99 CFM
Efficiency6.1 CFM/W
Duct size6.00 inch depth X 6.00 inch width
Speeds1
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2021-08-02
MarketsUnited States, Canada

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
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
Greenheck SP-LP0810WL 0.1 7 100 CFM 9.5 CFM/W specs
Venco SP-LP0810W 0.1 7 100 CFM 10 CFM/W specs
Venco SP-LP0810WL 0.1 7 100 CFM 9.5 CFM/W specs

Frequently asked questions

How many sones is the Greenheck SP-A90L?

The Greenheck SP-A90L is certified at 0.1 sones in ENERGY STAR lab testing, which is approximately 7 dBA. That is near the threshold of human hearing — effectively silent in a normal room.

Is the Greenheck SP-A90L quiet?

At 0.1 sones, the Greenheck SP-A90L is quieter than 87% 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-A90L?

It moves 99 CFM, which is adequate for a bathroom of roughly 100 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 6.1 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.