QuietScore › Bathroom & Utility Fans › Greenheck SP-A50-90L-VG
Greenheck SP-A50-90L-VG noise level
The Greenheck SP-A50-90L-VG is louder 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 |
|---|---|
| Model number | SP-A50-90L-VG |
| Model name | SP |
| Category | Bathroom & Utility Fans |
| Sound level | 1.5 sones (≈46 dBA, approximate) |
| Airflow | 90 CFM |
| Efficiency | 16.6 CFM/W |
| Duct size | 6.00 inch depth X 6.00 inch width |
| Speeds | 3 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes — Most Efficient |
| On market since | 2021-08-02 |
| 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 | |
|---|---|---|---|---|---|
| Panasonic Eco Solutions RG-V80A | 1.5 | 46 | 90 CFM | 4.3 CFM/W | specs |
| Tech Drive TD-BF-11 | 1.5 | 46 | 90 CFM | 4 CFM/W | specs |
| Air King FR90 | 1.5 | 46 | 90 CFM | 3.7 CFM/W | specs |
| Akicon AK1390N1-W/B/S | 1.5 | 46 | 90 CFM | 4.1 CFM/W | specs |
| Akicon AK1390N2-B | 1.5 | 46 | 90 CFM | 4.2 CFM/W | specs |
Frequently asked questions
How many sones is the Greenheck SP-A50-90L-VG?
The Greenheck SP-A50-90L-VG is certified at 1.5 sones in ENERGY STAR lab testing, which is approximately 46 dBA. That is noticeable but unobtrusive — quieter than a typical conversation.
Is the Greenheck SP-A50-90L-VG quiet?
At 1.5 sones, the Greenheck SP-A50-90L-VG is quieter than 11% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Greenheck SP-A50-90L-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 16.6 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.