QuietScoreBathroom & Utility Fans › Delta SLM80-110LED-C

Delta SLM80-110LED-C noise level

The Delta SLM80-110LED-C is certified at 0.4 sones (≈27 dBA) — quieter than 66% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.
0.4sones (certified)
≈27 dBAapproximate conversion
110 CFMairflow
7.1CFM per watt

The Delta SLM80-110LED-C is quieter than the category median of 0.7 sones, and its 110 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.

Full specifications

BrandDelta
Model numberSLM80-110LED-C
Model nameBreezSlim
CategoryBathroom & Utility Fans
Sound level0.4 sones (≈27 dBA, approximate)
Airflow110 CFM
Efficiency7.1 CFM/W
Duct size4 inch depth X 0 inch width
Speeds2
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2021-05-03
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Panasonic Eco Solutions FV-0811RQ1 0.1 7 110 CFM 5.1 CFM/W specs
Panasonic Eco Solutions FV-0811RQC1 0.1 7 110 CFM 4.9 CFM/W specs
Fantech SC50-80-110 (484313) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110H (494140) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110L (484314) 0.1 7 110 CFM 10.7 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic RG-R811A 0.4 27 110 CFM 9.5 CFM/W specs
Panasonic RG-R811HA 0.4 27 110 CFM 9.5 CFM/W specs
Panasonic RG-R811LA 0.4 27 110 CFM 9.5 CFM/W specs
Panasonic RG-R811LHA 0.4 27 110 CFM 9.5 CFM/W specs
Panasonic RG-Y811SLA 0.4 27 110 CFM 10.2 CFM/W specs

Frequently asked questions

How many sones is the Delta SLM80-110LED-C?

The Delta SLM80-110LED-C is certified at 0.4 sones in ENERGY STAR lab testing, which is approximately 27 dBA. That is about as quiet as rustling leaves; most people cannot hear it over ambient room noise.

Is the Delta SLM80-110LED-C quiet?

At 0.4 sones, the Delta SLM80-110LED-C is quieter than 66% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Delta SLM80-110LED-C?

It moves 110 CFM, which is adequate for a bathroom of roughly 110 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 7.1 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.