QuietScore › Bathroom & Utility Fans › Greenheck SP-A90
Greenheck SP-A90 noise level
The Greenheck SP-A90 is quieter than the category median of 0.7 sones, and its 90 CFM rating makes it suitable for bathrooms up to roughly 90 sq ft.
Full specifications
| Brand | Greenheck |
|---|---|
| Model number | SP-A90 |
| Model name | SP |
| Category | Bathroom & Utility Fans |
| Sound level | 0.4 sones (≈27 dBA, approximate) |
| Airflow | 90 CFM |
| Efficiency | 5.5 CFM/W |
| Duct size | 6.0 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2010-01-01 |
| Markets | United States |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| AUPU BF4-S10CL | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| AUPU V4-10HF | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| AUPU V4-10HL1 | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| AUPU V4-10L1 | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
| Broan XB80=XB00HwithXB80F | 0.1 | 7 | 80 CFM | 13.8 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Dayton 3DPE4B | 0.4 | 27 | 90 CFM | 5.5 CFM/W | specs |
| AERO PURE ABF80G15W | 0.4 | 27 | 80 CFM | 4.7 CFM/W | specs |
| AERO PURE ABF80G16W | 0.4 | 27 | 80 CFM | 4.7 CFM/W | specs |
| Air King AK100D | 0.4 | 27 | 100 CFM | 3.8 CFM/W | specs |
| Air King LEDAK100D | 0.4 | 27 | 100 CFM | 3.8 CFM/W | specs |
Frequently asked questions
How many sones is the Greenheck SP-A90?
The Greenheck SP-A90 is certified at 0.4 sones in ENERGY STAR lab testing, which is approximately 27 dBA. That is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.
Is the Greenheck SP-A90 quiet?
At 0.4 sones, the Greenheck SP-A90 is quieter than 66% of the 840 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the Greenheck SP-A90?
It moves 90 CFM, which is adequate for a bathroom of roughly 90 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 5.5 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 2026-10-05. The dBA figure is an approximate conversion from sones — see our methodology.