Panasonic
WhisperFit DC 50-80-110 CFM Ceiling Mount Ventilation Fan with Smartflow ECM Motor
Best quiet ventilation for homeowners needing flexible airflow and easy installation.
Experience superior air quality with the Panasonic WhisperFit® DC Ventilation Fan. This ceiling-mount unit features a revolutionary SmartFlow™ ECM motor for quiet, efficient operation. Easily select your desired airflow from 50, 80, or 110 CFM using the integrated Pick-A-Flow™ selector. Its low-profile housing fits standard 2x6 joists, simplifying installation. This Energy Star Rated fan is designed to enhance indoor air and help meet building standards like ASHRAE 62.2. Note: This is a 'Fan Only' configuration; the humidity sensor requires continuous power.
$135.99
Owner Satisfaction
4.7
/ 5
Category Rank
17
/ 328
#17 in Ventilation Fans
Price vs Category Average
-42%
Below average
Airflow Capacity
5080110
/ , , or CFM
Who it's for
- Homeowners seeking a peaceful and quiet bathroom environment
- Contractors installing fans in complex or long ductwork
- Budget-conscious homeowners prioritizing long-term energy savings
Who should skip it
- Shoppers looking for the most affordable basic ventilation option
- DIY installers uncomfortable with complex electrical wiring setups
- Renovators working with very shallow ceiling joist spaces
Performance breakdown
Airflow Versatility
Pick-A-Flow selector offers precise control for various room sizes.
Acoustic Performance
Whisper-quiet operation ensures minimal disruption in residential living spaces.
Installation Efficiency
Flex-Z Fast bracket simplifies mounting within standard 2x6 joists.
Energy Efficiency
SmartFlow ECM motor delivers high performance with minimal power consumption.
Automation Capability
Integrated humidity sensor provides reliable, hands-free moisture control.
Compliance Standards
Easily meets rigorous ASHRAE 62.2 and LEED ventilation requirements.
Key Specs
Airflow Capacity
50, 80, or 110 CFM
Voltage
120V
Housing Depth
5-5/8 in
Duct Size
4 in Round
Noise Level
0.3-2 Sones
Motor Power
10 W
Current Draw
0.29 Amps
Certifications
UL Listed, Energy Star Rated
Features
- Selectable airflow: 50, 80, or 110 CFM
- Quiet and efficient SmartFlow™ ECM motor
- Low-profile design fits 2x6 joists
- Easy installation with Flex-Z Fast® bracket
- Energy Star Rated for efficiency
- Built-in Pick-A-Flow™ airflow selector
- Helps comply with ASHRAE 62.2 and LEED
- Humidity sensor for automatic operation
What customers say
The WhisperFit DC fan earns high praise primarily for its near silent operation, often described as virtually undetectable. This quiet performance is a game changer for users accustomed to noisy ventilation. Reviewers also value the reliable moisture removal ensured by the Smartflow ECM motor technology, which maintains consistent airflow even with complex ductwork. The adjustable CFM settings provide excellent customization for various room sizes and codes. While the initial cost is higher than budget options, the superior quietness, energy efficiency, and dependable performance deliver strong perceived value. Overall sentiment centers on unparalleled quiet operation and high quality.
Know before you buy
Yes, the Pick-A-Flow selector allows you to choose between 50, 80, or 110 CFM. While the switch is located on the unit, it is accessible by removing the grille, making it easy to adjust if your ventilation needs change.
Yes, the WhisperFit DC is specifically designed with a low-profile housing that fits into standard 2x6 construction. Its compact design makes it an excellent choice for retrofitting into existing ceilings where space is limited.
The sensor automatically turns the fan on when it detects a rise in humidity levels, helping to prevent mold and mildew growth. Please note that for this feature to function properly, the fan requires a continuous power supply.
Yes, the SmartFlow ECM motor is engineered for exceptionally quiet operation. With noise levels ranging from 0.3 to 2.0 sones depending on the CFM setting, it is quiet enough to remain unobtrusive even in smaller, enclosed spaces.
No, this specific model is a 'Fan Only' configuration. It is designed strictly for ventilation and does not include an integrated light.
The Flex-Z Fast bracket simplifies the installation process by allowing you to position and secure the fan housing from below the ceiling. This is particularly helpful for remodel projects where you may not have easy access to the space above the ceiling.
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