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Key Features:
- Increased Energy Efficiency – Panasonic’s superior performance of 0.5” exceeds industry standard set by ASHRAE and ENERGY STAR
- Expanded True Flow Performance – The only residential ventfan series with a combination of certified CFM performance at 0.5 w.g. and low sone levels
- WiFi Control Module – Enables two-way communication between our ventilation products. Use this with a standalone fan or combine with an Indoor Air Quality healthy home system
- Designer Grille Options – Sharper, cleaner lines on the traditional grille
Quick Comparison
| Model | Airflow Options | Noise Level | Multi‑Speed Module Included | Duct Size | Ideal For |
|---|---|---|---|---|---|
| FV‑0511VK3 | 50 / 80 / 110 CFM | ≤ 0.3–0.4 sones | No | 4" or 6" | Quiet, simple continuous or switched ventilation |
| FV‑0511VKS3(S3) | 30–110 CFM | ~0.7 sones max | Yes | 4" or 6" | Low/background ventilation with auto‑boost |
| FV‑1115VK3 | 110 / 130 / 150 CFM | ≤ 0.3–0.6 sones | Not included (opt. module) | 6" only | Larger space or high airflow needs |