QuietScore › Bathroom & Utility Fans › Greenheck SP-A250
Greenheck SP-A250 noise level
The Greenheck SP-A250 is louder than the category median of 0.7 sones, and its 270 CFM rating makes it suitable for bathrooms up to roughly 270 sq ft.
Full specifications
| Brand | Greenheck |
|---|---|
| Model number | SP-A250 |
| Model name | SP |
| Category | Bathroom & Utility Fans |
| Sound level | 2.2 sones (≈51 dBA, approximate) |
| Airflow | 270 CFM |
| Efficiency | 4.3 CFM/W |
| Duct size | 8.0 inch depth X 8.0 inch width |
| 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 | |
|---|---|---|---|---|---|
| Delta SMT150-200 | 0.4 | 27 | 200 CFM | 8.7 CFM/W | specs |
| Delta SMT150-200LED | 0.6 | 33 | 200 CFM | 10.3 CFM/W | specs |
| Broan L150E | 0.7 | 35 | 210 CFM | 5 CFM/W | specs |
| Panasonic FV-20VQ3 | 0.9 | 38 | 190 CFM | 4.6 CFM/W | specs |
| Broan L200E | 1 | 40 | 240 CFM | 4.7 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Dayton 3DPE6A | 2.2 | 51 | 270 CFM | 4.3 CFM/W | specs |
| Panasonic FV-30VQ3 | 2 | 50 | 280 CFM | 4.4 CFM/W | specs |
| Greenheck SP-A250L | 2.5 | 53 | 269 CFM | 4.2 CFM/W | specs |
| Delta Pro300 | 2 | 50 | 300 CFM | 7.4 CFM/W | specs |
| Air King AK280LS | 2.8 | 55 | 280 CFM | 4.3 CFM/W | specs |
Frequently asked questions
How many sones is the Greenheck SP-A250?
The Greenheck SP-A250 is certified at 2.2 sones in ENERGY STAR lab testing, which is approximately 51 dBA. That is clearly audible, similar to a television at low volume.
Is the Greenheck SP-A250 quiet?
At 2.2 sones, the Greenheck SP-A250 is quieter than 1% 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-A250?
It moves 270 CFM, which is adequate for a bathroom of roughly 270 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.3 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.