Panasonic Fans - WhisperCeiling - FV-40VQ4 Bathroom Exhaust Fan - 380 cfm - 3.0 Sones - 6 Inch Duct

Quiet, energy efficient Panasonic ceiling ventilation exhaust fan perfect for the bathroom - or just about anywhere.

  • 380 CFM - 3.0 Sones - 6 Inch Duct
  • Housing: 9.29 Inches Deep x 14.79 Inches x 14.79 Inches
  • Mounting Opening - 14.75 inches x 14.75 Inches
  • Grille Size - 17.69 inches x 17.69 inches
  • Duct Size - 6 inch diameter

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FV-40VQ4 Technical Specs

8 85170 10876 9
Product Family Name
Air Volume Exhaust (CFM)
390 @ 0.1" SP, 356 @ 0.25" SP
Noise (Sones)
390 @ 0.1" SP = 3.0, 356 @ 0.25" SP = 3.0
Power Consumption (Watts)
Energy Efficiency (CFM/Watt)
3.5 CFM/W,
Current (Amps)
Power Rating (V/Hz)
Motor Type (AC/DC)
Duct Diameter
Radiation Damper Available
Mounting Opening (in sq.)
Grille Size (in sq.)
ENERGY STAR® Certified
Other Approved Codes and Standards
ASHRAE 62.2, LEED, California Title 24, Washington VIAQ
UL Listed for Tub/Shower Enclosure when used with a GFCI Protected Circuit
3 Year Parts,
Master Carton Dimensions (HxWxD)
22-1/4" x 18-5/16 x 13-1/4"
Master Carton Gross Weight (lbs.)


So Quiet You Might Not Know it's On
This Panasonic WhisperCeiling bathroom exhaust fan model features a totally enclosed condenser motor and a large, double suction blower wheel to quietly move air. A small wheel turning very fast will create more noise than a large wheel turning more slowly for a given airflow. Our fan uses a wide blower wheel that moves a large amount of air at reduced RPMs. The blower wheel is also designed to draw air in from both sides, which helps keep the noise down, as there is more area for the air to enter the wheel. In fact, it is quiet enough that you might not even know it's on.

Continuous, Trouble-free Operation for Many Years
This fan is designed to give you continuous, trouble-free operation for many years thanks in part to its high-quality components and permanently lubricated motors which wear at a slower pace. Also, since heat is always detrimental to motor life (the cooler the environment, the longer the motor will last), we designed the electrical configuration of this model's condenser motor to allow it to operate at lower temperatures, increasing the life of the motor and bearings. And, the fan housing is made of heavy-gauge zinc galvanized steel and painted to protect it from rust.

User-Friendly Installation
Detachable adaptors, firmly secured duct ends, adjustable mounting brackets (up to 26 inches), fan-motor units that detach easily from the housing and uncomplicated wiring all lend themselves to user-friendly installation. This model also features a double-hanger bar system for ideal positioning.

Energy Star Qualified for Energy Savings
Energy Star qualified products feature super-quiet operation and high CFM-to-Watt efficiency. The Energy Star program was created to help consumers identify products that can save them money and protect the environment by saving energy. As an Energy Star partner, all our fans are Energy Star qualified and labeled accordingly.

Tired of Cold Air Coming Through Your Ventilation Fan?
This Panasonic exhaust fan has a built-in damper to prevent backdraft, which helps to prevent outside air from coming through the fan. Also, thanks to our efficient, cool running motors and fluorescent bulbs, it does not create excessive heat-a common problem with recessed lighting fixtures and some competitors' fan-light combinations. Loose fill or batt insulation can be placed directly over the fan housing to prevent heat from escaping.

  • Model: FV-40VQ4
  • Manufactured by: Panasonic Exhaust Fans


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