QuietScoreBathroom & Utility Fans › Ortech ODDSS-100-3HS

Ortech ODDSS-100-3HS noise level

The Ortech ODDSS-100-3HS 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-100-3HS 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-100-3HS
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 since2026-02-27
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-100-3HS?

The Ortech ODDSS-100-3HS 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-100-3HS quiet?

At 0.6 sones, the Ortech ODDSS-100-3HS 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-100-3HS?

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.