QuietScore › Bathroom & Utility Fans › Greenheck Fan Corporation SP-AP0511WL
Greenheck Fan Corporation SP-AP0511WL noise level
The Greenheck Fan Corporation SP-AP0511WL is louder than the category median of 0.7 sones, and its 110 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.
Full specifications
| Brand | Greenheck Fan Corporation |
|---|---|
| Model number | SP-AP0511WL |
| Model name | SP-AP |
| Category | Bathroom & Utility Fans |
| Sound level | 0.8 sones (≈37 dBA, approximate) |
| Airflow | 110 CFM |
| Efficiency | 11.8 CFM/W |
| Duct size | 6.0 inch diameter |
| Speeds | 3 |
| Integrated lighting | Yes |
| ENERGY STAR certified | Yes |
| On market since | 2019-10-01 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| AERO PURE ABF110DHL5W | 0.1 | 7 | 110 CFM | 7.4 CFM/W | specs |
| AERO PURE ABF110DHL6W | 0.1 | 7 | 110 CFM | 7.4 CFM/W | specs |
| AUPU AV0511DSL3 | 0.1 | 7 | 110 CFM | 7.4 CFM/W | specs |
| AUPU B6-11HF | 0.1 | 7 | 110 CFM | 9.7 CFM/W | specs |
| AUPU BF6-S13C | 0.1 | 7 | 110 CFM | 9.7 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| AUPU B6-11F | 0.8 | 37 | 110 CFM | 3.8 CFM/W | specs |
| AUPU BF6-11 | 0.8 | 37 | 110 CFM | 3.9 CFM/W | specs |
| AUPU BF6-11L | 0.8 | 37 | 110 CFM | 3.8 CFM/W | specs |
| Broan RB110L1 | 0.8 | 37 | 110 CFM | 3.6 CFM/W | specs |
| Revent RVS110 ME | 0.8 | 37 | 110 CFM | 12.3 CFM/W | specs |
Frequently asked questions
How many sones is the Greenheck Fan Corporation SP-AP0511WL?
The Greenheck Fan Corporation SP-AP0511WL is certified at 0.8 sones in ENERGY STAR lab testing, which is approximately 37 dBA. That is comparable to a quiet modern refrigerator humming in the next room.
Is the Greenheck Fan Corporation SP-AP0511WL quiet?
At 0.8 sones, the Greenheck Fan Corporation SP-AP0511WL is quieter than 44% of the 819 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Greenheck Fan Corporation SP-AP0511WL?
It moves 110 CFM, which is adequate for a bathroom of roughly 110 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 11.8 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 2026-07-27. The dBA figure is an approximate conversion from sones — see our methodology.