QuietScore › Bathroom & Utility Fans › Nektra 33003853
Nektra 33003853 noise level
The Nektra 33003853 is louder than the category median of 0.7 sones, and its 100 CFM rating makes it suitable for bathrooms up to roughly 100 sq ft.
Full specifications
| Brand | Nektra |
|---|---|
| Model number | 33003853 |
| Model name | 33003853 |
| Category | Bathroom & Utility Fans |
| Sound level | 0.9 sones (≈38 dBA, approximate) |
| Airflow | 100 CFM |
| Efficiency | 4.1 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2025-08-30 |
| Markets | United States, Canada |
Quieter alternatives with similar airflow
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| AUPU BF4-S10CL | 0.1 | 7 | 100 CFM | 9.5 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 |
| Venco SP-LP0810W | 0.1 | 7 | 100 CFM | 10 CFM/W | specs |
| Venco SP-LP0810WL | 0.1 | 7 | 100 CFM | 9.5 CFM/W | specs |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| VOTATEC VO-FN4W26-AC-100 | 0.9 | 38 | 100 CFM | 3.9 CFM/W | specs |
| ARTIKA FAB-BRLU-C1 | 0.9 | 38 | 100 CFM | 4.5 CFM/W | specs |
| Nektra Pro 33003856 | 0.9 | 38 | 100 CFM | 4.1 CFM/W | specs |
| Wintek BPT15B-100H1 | 0.9 | 38 | 100 CFM | 3.9 CFM/W | specs |
| Wintek BPT15B-100H2 | 0.9 | 38 | 100 CFM | 4.1 CFM/W | specs |
Frequently asked questions
How many sones is the Nektra 33003853?
The Nektra 33003853 is certified at 0.9 sones in ENERGY STAR lab testing, which is approximately 38 dBA. That is comparable to a quiet modern refrigerator humming in the next room.
Is the Nektra 33003853 quiet?
At 0.9 sones, the Nektra 33003853 is quieter than 41% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the Nektra 33003853?
It moves 100 CFM, which is adequate for a bathroom of roughly 100 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 4.1 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.