Product Description
FV-0511VF1 WhisperFit® DC by Panasonic is a powerful and ultra-quiet remodeling ventilation fan featuring built-in Pick-A-Flow™ airflow selector. Designed for retrofit or new construction, it delivers customizable airflow at 50, 80, or 110 CFM with low sone ratings and ENERGY STAR® efficiency. Its compact 5-5/8" housing depth fits snugly into shallow ceiling cavities, making it a go-to solution for residential bathroom upgrades.
Model: FV-0511VF1
Brand: Panasonic
Airflow Options: 50 / 80 / 110 CFM (Selectable)
Duct Compatibility: 3" or 4" (Adapter included)
Noise Levels: <0.3 / <0.3 / 0.8 sones at 0.1" SP
ENERGY STAR® Certified
Free shipping on orders over $250
Product Benefits
- Installs easily in tight ceiling spaces—ideal for remodeling applications
- Pick-A-Flow™ switch allows airflow customization for code compliance
- Whisper-quiet performance for enhanced comfort in bathrooms
- ENERGY STAR® certified with efficient ECM motor for low operating costs
Key Features
- Customizable Airflow: Pick-A-Flow™ allows easy switch between 50, 80, or 110 CFM
- SmartFlow Technology: Fan auto-adjusts speed to maintain selected CFM
- Dual Ducting: 4" duct with included 3" adapter for flexible installations
- Low Profile Housing: Just 5-5/8" deep—perfect for 2x6 joist construction
- Quiet Operation: As low as <0.3 sones for undisturbed comfort
Technical Specifications
| Technical Specs | |
|---|---|
| Model Number | FV-0511VF1 |
| Voltage / Frequency | 120V / 60Hz |
| Motor Type | ECM (Brushless, Plug-in) |
| Duct Diameter | 4" standard, 3" adapter included |
| Certification | UL listed for tub/shower (GFCI protected) |
| Performance Specs | |
|---|---|
| Air Volume (CFM) | 50 / 80 / 110 |
| Noise (Sones) | <0.3 / <0.3 / 0.8 |
| Power Consumption (Watts) | 4.0 – 10.2 (0.1" SP) |
| Energy Efficiency | Up to 13.9 CFM/W |
| Speed (RPM) | 795 – 1392 RPM |
Application Examples
- Bathroom remodels with shallow ceiling cavities
- Retrofitting outdated or noisy ventilation fans
- Residential projects meeting ASHRAE 62.2, LEED, or Title 24
- Multi-family housing or apartments with limited clearance
Installation Tips
- Use included Flex-Z Fast™ bracket for easy retrofit or new construction install
- Mount housing between 16" to 24" joists; adjust bracket as needed
- Seal duct connections with foil tape or mastic to prevent air leaks
- For shower applications, install with GFCI protection
Frequently Asked Questions
How do I select the CFM on this fan?
Use the Pick-A-Flow™ switch located on the fan body to choose 50, 80, or 110 CFM.
Is the FV-0511VF1 ENERGY STAR certified?
Yes, this fan is ENERGY STAR® certified for high energy efficiency and low power consumption.
Can this fan be installed in a ceiling with only 2x6 joists?
Yes, its 5-5/8" depth allows it to fit within shallow ceiling cavities typical of 2x6 construction.
Is it UL listed for shower installation?
Yes, but it must be connected to a GFCI-protected circuit.
What size ducting does this fan support?
It comes with a built-in 4" duct connection and includes a 3" adapter for flexibility.
Does the fan automatically adjust speed?
Yes, SmartFlow™ technology increases fan speed when static pressure rises, maintaining rated CFM.
How often should I clean the fan?
Annual cleaning is recommended. The grille is removable for easy maintenance access.
