QuietScoreRange Hoods › Zephyr ZSI-E30BS-ES

Zephyr ZSI-E30BS-ES noise level

The Zephyr ZSI-E30BS-ES is certified at 2 sones (≈50 dBA) — quieter than 0% of the 72 range hoods in the ENERGY STAR database. In practical terms it is about the background level of a quiet office.
2sones (certified)
≈50 dBAapproximate conversion
200 CFMairflow
3.5CFM per watt

The Zephyr ZSI-E30BS-ES is louder than the category median of 1.5 sones.

Full specifications

BrandZephyr
Model numberZSI-E30BS-ES
Model nameSIENA ENERGY STAR
CategoryRange Hoods
Sound level2 sones (≈50 dBA, approximate)
Airflow200 CFM
Efficiency3.5 CFM/W
Duct size8.00 inch depth X 0.00 inch width
Speeds2
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2023-04-01
MarketsUnited States, Canada

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Frequently asked questions

How many sones is the Zephyr ZSI-E30BS-ES?

The Zephyr ZSI-E30BS-ES is certified at 2 sones in ENERGY STAR lab testing, which is approximately 50 dBA. That is about the background level of a quiet office.

Is the Zephyr ZSI-E30BS-ES quiet?

At 2 sones, the Zephyr ZSI-E30BS-ES is quieter than 0% of the 72 certified range hoods we track, and louder than the category median of 1.5 sones.

How powerful is the Zephyr ZSI-E30BS-ES?

It moves 200 CFM, at an efficiency of 3.5 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.