QuietScoreBathroom & Utility Fans › Ortech ODDSS-100-3

Ortech ODDSS-100-3 noise level

The Ortech ODDSS-100-3 is certified at 0.6 sones (≈33 dBA) — quieter than 55% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is comparable to a quiet modern refrigerator humming in the next room.
0.6sones (certified)
≈33 dBAapproximate conversion
100 CFMairflow
9.3CFM per watt

The Ortech ODDSS-100-3 is quieter 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

BrandOrtech
Model numberODDSS-100-3
Model nameODDSS
CategoryBathroom & Utility Fans
Sound level0.6 sones (≈33 dBA, approximate)
Airflow100 CFM
Efficiency9.3 CFM/W
Duct size4.00 inch diameter
Speeds3
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2024-07-31
MarketsUnited 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
S&P PCLPD100XHP 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SF50-80-100 (484305) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SF50-80-100L (484306) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SFC50-80-100 (484307) 0.6 33 100 CFM 9.3 CFM/W specs
Fantech SFC50-80-100H (484308) 0.6 33 100 CFM 9.3 CFM/W specs

Frequently asked questions

How many sones is the Ortech ODDSS-100-3?

The Ortech ODDSS-100-3 is certified at 0.6 sones in ENERGY STAR lab testing, which is approximately 33 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Ortech ODDSS-100-3 quiet?

At 0.6 sones, the Ortech ODDSS-100-3 is quieter than 55% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Ortech ODDSS-100-3?

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 9.3 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.