QuietScoreBathroom & Utility Fans › Delta PRO200

Delta PRO200 noise level

The Delta PRO200 is certified at 1 sone (≈40 dBA) — quieter than 30% 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.
1sones (certified)
≈40 dBAapproximate conversion
200 CFMairflow
11.4CFM per watt

The Delta PRO200 is louder than the category median of 0.7 sones, and its 200 CFM rating makes it suitable for bathrooms up to roughly 200 sq ft.

Full specifications

BrandDelta
Model numberPRO200
Model nameBreezPro
CategoryBathroom & Utility Fans
Sound level1 sone (≈40 dBA, approximate)
Airflow200 CFM
Efficiency11.4 CFM/W
Duct size6 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2015-10-30
MarketsUnited States, Canada

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Air King EVD 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDG 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDGH 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVDH 0.1 7 150 CFM 4.5 CFM/W specs
Air King EVLD 0.1 7 150 CFM 4.6 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic FV-20VQ3 0.9 38 190 CFM 4.6 CFM/W specs
Broan L150E 0.7 35 210 CFM 5 CFM/W specs
Broan L200E 1 40 240 CFM 4.7 CFM/W specs
Delta SMT150-200LED 0.6 33 200 CFM 10.3 CFM/W specs
OREiN OL1700376 1 40 160 CFM 4.8 CFM/W specs

Frequently asked questions

How many sones is the Delta PRO200?

The Delta PRO200 is certified at 1 sone in ENERGY STAR lab testing, which is approximately 40 dBA. That is comparable to a quiet modern refrigerator humming in the next room.

Is the Delta PRO200 quiet?

At 1 sone, the Delta PRO200 is quieter than 30% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Delta PRO200?

It moves 200 CFM, which is adequate for a bathroom of roughly 200 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.