QuietScore › Bathroom & Utility Fans › Greenheck Fan Corporation SP-A50-90-VG
Greenheck Fan Corporation SP-A50-90-VG noise level
The Greenheck Fan Corporation SP-A50-90-VG 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. It also meets the stricter ENERGY STAR “Most Efficient” criteria for its category.
Full specifications
| Brand | Greenheck Fan Corporation |
|---|---|
| Model number | SP-A50-90-VG |
| Model name | Model SP |
| Category | Bathroom & Utility Fans |
| Sound level | 0.3 sones (≈23 dBA, approximate) |
| Airflow | 90 CFM |
| Efficiency | 17.8 CFM/W |
| Duct size | 6 inch diameter |
| Speeds | 3 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes — Most Efficient |
| On market since | 2017-01-15 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| 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 |
| Broan XB80=XB00HwithXB80F | 0.1 | 7 | 80 CFM | 13.8 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 |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Greenheck SP-A90 | 0.2 | 17 | 90 CFM | 5.8 CFM/W | specs |
| Greenheck SP-A90-QD | 0.2 | 17 | 90 CFM | 5.8 CFM/W | specs |
| S&P PCD80XHP ME | 0.3 | 23 | 80 CFM | 14.4 CFM/W | specs |
| VOTATEC VO-FN4W14-DC-3SPD | 0.3 | 23 | 100 CFM | 9.6 CFM/W | specs |
| ACIQ ANPD100-3 ME | 0.3 | 23 | 100 CFM | 11.1 CFM/W | specs |
Frequently asked questions
How many sones is the Greenheck Fan Corporation SP-A50-90-VG?
The Greenheck Fan Corporation SP-A50-90-VG is certified at 0.3 sones in ENERGY STAR lab testing, which is approximately 23 dBA. That is near the threshold of human hearing — effectively silent in a normal room.
Is the Greenheck Fan Corporation SP-A50-90-VG quiet?
At 0.3 sones, the Greenheck Fan Corporation SP-A50-90-VG is quieter than 75% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.
How powerful is the Greenheck Fan Corporation SP-A50-90-VG?
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 17.8 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.