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High-Capacity Multi-Room Ventilation with Panasonic WhisperLine 440 CFM In-Line Fan

The Panasonic FV-40NLF1 WhisperLine® is a high-performance remote-mount in-line ventilation fan designed to provide powerful and quiet exhaust for single or multiple inlets. With a strong 440 CFM airflow capacity, this system is engineered for large bathrooms, multi-point ventilation layouts, and whole-room moisture control applications.

Unlike traditional ceiling-mounted fans, the WhisperLine system is installed remotely in an attic or utility space, allowing multiple pickup points (such as shower, tub, toilet, or vanity areas) to connect to a single high-capacity blower. This improves airflow efficiency, reduces noise at the ceiling level, and enables more flexible ventilation design.

:contentReference[oaicite:0]{index=0} performance is optimized through an insulated housing that reduces condensation and sound while maintaining strong exhaust efficiency across long duct runs.

Key Features

  • 440 CFM High Airflow – Designed for large or multi-zone bathroom ventilation
  • Remote-Mount In-Line Design – Installs in attic or ceiling space for reduced room noise
  • Multi-Inlet Capability – Supports ventilation from multiple locations in one system
  • Insulated Housing – Helps prevent condensation and reduces operational noise
  • 8-Inch Duct Compatibility – Optimized for high-volume airflow performance
  • Flexible Installation Positions – Can be installed in multiple orientations
  • Mounting Brackets Included – Supports joist, truss, or suspended installations
  • Energy Efficient Operation – Designed for high airflow with optimized power usage
  • Low Ceiling Noise Profile – Motor is isolated from living space
  • Code-Compliant Ventilation Option – Suitable for modern residential ventilation standards

Your Benefits:

  • Improves moisture and odor removal in large bathrooms
  • Enables multi-area ventilation with a single fan system
  • Reduces noise in occupied spaces
  • Supports long or complex duct layouts more effectively than standard fans
  • Improves indoor air quality in high-humidity environments
  • Offers flexible installation for renovation or new builds

Panasonic FV-40NLF1 WhisperLine

  • Model: FV-40NLF1
  • Brand: Panasonic
  • Series: WhisperLine
  • Type: Remote-Mount In-Line Exhaust Fan
  • Airflow Capacity: 440 CFM
  • Duct Size: 8 inch
  • Voltage: 120V
  • Motor Type: AC, Totally Enclosed
  • Application: Multi-Inlet Bathroom Ventilation

The Panasonic WhisperLine Ventilation System

Engineered for powerful, quiet, and flexible whole-room exhaust solutions.

The WhisperLine system is designed to solve ventilation challenges in modern airtight homes by moving the fan unit away from the living space and connecting multiple intake points to a single high-capacity blower. This approach helps balance airflow more effectively across large or multi-zone bathrooms while maintaining quiet operation indoors.

Designed for Multi-Area Ventilation Applications

  • Large residential bathrooms
  • Multi-shower or multi-fixture layouts
  • Steam-prone environments
  • Laundry and utility rooms
  • Whole-home or multi-room exhaust systems

Technical Highlights

  • Model: FV-40NLF1
  • Type: In-Line Remote-Mount Exhaust Fan
  • Airflow: 440 CFM
  • Duct Size: 8 inch
  • Mounting: Attic / Remote Installation
  • Use Case: High-Capacity Bathroom Ventilation
Model:FV-40NLF1
Advanced Features:Single Speed
Air Volume Exhaust (CFM):440 @ 0.2″ SP, 421 @ 0.3″ SP, 407 @ 0.4″ SP
Master Carton Dimensions (HxWxD):14-11/16 x 20-3/8 x 11-3/8
CFM:Greater than 150
Other Approved Codes and Standards:ASHRAE 62.2, LEED, California Title 24, Washington VIAQ
Construction Type:Single Family/Manufactured Housing. Renovation/Remodeling.
Current (Amps):1.10A
Ventilation Design Approach:Spot Ventilation. Continuous Ventilation.
Duct Diameter:8″
Energy Efficiency (CFM/Watt):3.2 CFM/W
ENERGY STAR® Certified:No
Fan Type:Fan Only
Industry:Residential. Light Commercial.
Motor Type (AC/DC):AC
Mounting Options:Ceiling Mount
Power Consumption (Watts):440 @ 0.2″ SP = 136W, 421 @ 0.3″ SP = 132W, 407 @ 0.4″ SP = 130W
Power Rating (V/Hz):120/60
Product Family Name:WhisperLine
Radiation Damper Available:No
Warranty:3 Year on Parts
Master Carton Gross Weight (lbs.):19.1
Available CFM Options440 CFM – FV40NLF1

Brand

Panasonic

panasonic Panasonic HVAC Solutions is a global leader in advanced heating, ventilation, and air conditioning systems, trusted by homeowners, contractors, and commercial developers worldwide. With a legacy of innovation and over 100 years of engineering excellence, Panasonic delivers cutting-edge HVAC technology that prioritizes energy efficiency, indoor air quality, and climate comfort. The Panasonic HVAC lineup includes high-performance ductless mini-split systems, ERV/HRV ventilation units, air purification systems, and intelligent climate controls designed for both residential and light commercial applications. Known for their ultra-quiet operation, smart inverter technology, and eco-friendly refrigerants, Panasonic systems help reduce energy consumption while improving air circulation and temperature precision. Engineered to meet or exceed ENERGY STAR®, ASHRAE, and CSA standards, Panasonic HVAC products integrate seamlessly with modern smart homes and green building practices. Whether you're upgrading an existing HVAC setup or building a high-performance indoor environment from the ground up, Panasonic offers solutions designed for long-term comfort, health, and sustainability. As an authorized Panasonic HVAC distributor in Canada, we provide expert product support, fast shipping, and access to the latest in HVAC innovation for both residential and commercial customers.
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Panasonic FV-40NLF1 WhisperLine 440 CFM In-Line Bathroom Fan - Installation Instructions

Panasonic FV-40NLF1 WhisperLine 440 CFM In-Line Bathroom Fan - Sell Sheet

Panasonic FV-40NLF1 WhisperLine 440 CFM In-Line Bathroom Fan - Architectural Specification

Panasonic FV-40NLF1 WhisperLine 440 CFM In-Line Bathroom Fan - Specification Submittal Data

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