QuietScore › Bathroom & Utility Fans › KORA SBF90N
KORA SBF90N noise level
The KORA SBF90N is louder than the category median of 0.7 sones, and its 93.7 CFM rating makes it suitable for bathrooms up to roughly 95 sq ft.
Full specifications
| Brand | KORA |
|---|---|
| Model number | SBF90N |
| Model name | Ceiling Exhaust Fan |
| Category | Bathroom & Utility Fans |
| Sound level | 0.8 sones (≈37 dBA, approximate) |
| Airflow | 93.7 CFM |
| Efficiency | 3.8 CFM/W |
| Duct size | 4.00 inch diameter |
| Speeds | 1 |
| Integrated lighting | No |
| ENERGY STAR certified | Yes |
| On market since | 2022-06-22 |
| Markets | 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 |
| 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 |
Similar bathroom & utility fans
| Model | Sones | ≈ dBA | Airflow | Efficiency | |
|---|---|---|---|---|---|
| Panasonic RG-M79LA | 0.8 | 37 | 90 CFM | 4.1 CFM/W | specs |
| Tech Drive TD-BF-02 | 0.8 | 37 | 90 CFM | 3.9 CFM/W | specs |
| Air King AK90LS6 | 0.8 | 37 | 90 CFM | 4.5 CFM/W | specs |
| BV BV-BF-01-PLUS | 0.8 | 37 | 90 CFM | 4.8 CFM/W | specs |
| BV BV-BF-05 | 0.8 | 37 | 90 CFM | 4.8 CFM/W | specs |
Frequently asked questions
How many sones is the KORA SBF90N?
The KORA SBF90N 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 KORA SBF90N quiet?
At 0.8 sones, the KORA SBF90N is quieter than 44% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.
How powerful is the KORA SBF90N?
It moves 93.7 CFM, which is adequate for a bathroom of roughly 95 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 3.8 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.