QuietScoreBathroom & Utility Fans › Delta 80HS

Delta 80HS noise level

The Delta 80HS is certified at 0.2 sones (≈17 dBA) — quieter than 84% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is near the threshold of human hearing — effectively silent in a normal room.
0.2sones (certified)
≈17 dBAapproximate conversion
80 CFMairflow
11.4CFM per watt

The Delta 80HS is quieter than the category median of 0.7 sones, and its 80 CFM rating makes it suitable for bathrooms up to roughly 80 sq ft. It also meets the stricter ENERGY STAR “Most Efficient” criteria for its category.

Full specifications

BrandDelta
Model number80HS
Model nameBreezSignature
CategoryBathroom & Utility Fans
Sound level0.2 sones (≈17 dBA, approximate)
Airflow80 CFM
Efficiency11.4 CFM/W
Duct size4.00 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes — Most Efficient
On market since2022-05-07
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Broan XB80=XB00HwithXB80F 0.1 7 80 CFM 13.8 CFM/W specs
Greenheck SP-A70 0.1 7 70 CFM 5.1 CFM/W specs
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

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
QuFresh BC80 0.2 17 80 CFM 4.9 CFM/W specs
Cyclone CBP80 0.2 17 80 CFM 4.9 CFM/W specs
Ortech ODC-8003 0.2 17 80 CFM 4.9 CFM/W specs
S&P PCD80XHP ME 0.3 23 80 CFM 14.4 CFM/W specs
Broan 744L 0.3 23 80 CFM 2.9 CFM/W specs

Frequently asked questions

How many sones is the Delta 80HS?

The Delta 80HS is certified at 0.2 sones in ENERGY STAR lab testing, which is approximately 17 dBA. That is near the threshold of human hearing — effectively silent in a normal room.

Is the Delta 80HS quiet?

At 0.2 sones, the Delta 80HS is quieter than 84% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Delta 80HS?

It moves 80 CFM, which is adequate for a bathroom of roughly 80 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 11.4 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.