Panasonic FV-0510VS1 WhisperValue DC Ventilation Fan, 50-80-100 CFM

Panasonic FV-0510VS1 WhisperValue DC Ventilation Fan, 50-80-100 CFM

Q: What is the sound (scone) level of this fan?

I believe it operates at .9 @110cfm .6 @80 cfm .4 @50cfm. It's advertised as <.3 scone which is true if measured off of the start up speed. Since it is a DC motor it has what would be noticed as a slow start but that is totally normal. They have a larger unit also that has a light with a 6" exhaust and it tops out at 150cfm and it is maybe a little above 1 scone at full speed. These are in opinion hands down the best residential bathroom/utility room exhaust fans. I don't even offer anything else to my customers. You won't be disappointed.

Q: What is the duct size please?

It is 4 in oval so it can fit into 2 by 4 walls. I used this to immediately go to the outside. Fantech 4 inch Round to Oval Duct Elbow FEL 4 https://www.amazon.com/dp/B004HE1A7C/ref=cm_sw_r_cp_apip_ZR9i4rM5GZFhA

Q: Can this fan be installed from below, or do you need to access from above ceiling?

Yes. If you can get the knockout out and enough vent tube down. Not your hole will need to be about 1/2” bigger than the fan to accomplish this and you will need to be in a stub/joist

Q: The fan turns on but its not a constant speed/whir and it oscillates between on and off - is that how its supposed to work?

You've probably solved your problem by now, but for future purchasers reading these questions, this issue appears to be caused by certain timers that are not compatible with the unit. It should operate at constant speed. Mine shows up today so haven't tested yet, but I read that the Legrand RT2WCCV4 timer works fine.

4.6/5

Product ID: 626521292

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Details

Brand
Panasonic
Colour
White
Electric fan design
Exhaust Fan
Power Source
Corded
Style
Modern
Room Type
Bathroom

⚡Energy Star rated 11.1W power

💨50-110 CFM variable airflow

🔇Ultra-quiet 1.3 sones noise level

Frequently Bought Together

Panasonic FV-0510VS1 WhisperValue DC Energy-Saving Bathroom Ventilation Fan, Quiet, Lowest Profile Energy Star Certified Ceiling Mount Fan

Panasonic FV-0511VF1 WhisperFit DC Fan 50-80-110 CFM Retrofit Bathroom Exhaust Fan - Quiet Energy Star-Certified Energy-Saving Bathroom Ceiling Fan

Fittes Flush Exhaust Vent Cover 14x14 Inch, DIY ABS Lite Cover, Upgrade Ceiling and Wall Vent Cover, Compatible with Panasonic WhisperValue, Panasonic WhisperCeiling Cover for 8" or 10.5" Vents

Description

💨 WhisperValue: The silent powerhouse your space deserves

SMART FLOW ECM MOTOR - Automatically adjusts airflow for peak efficiency and comfort
WHISPER QUIET OPERATION - Operates at a barely-there 1.3 sones for peaceful environments
PICK A FLOW SPEED SELECTOR - Customize ventilation with 3 precise airflow settings (50, 80, 110 CFM)
ENERGY STAR CERTIFIED EFFICIENCY - Low 11.1W power consumption saves energy without sacrificing performance
EASY L SHAPED BRACKET INSTALLATION - Simplifies mounting with strong, reliable support—no hassle setup

The Panasonic FV-0510VS1 WhisperValue DC Ventilation Fan delivers customizable airflow between 50 and 110 CFM using a smart ECM motor with SmartFlow technology. Designed for quiet operation at just 1.3 sones and energy-efficient performance with an 11.1W Energy Star rating, it features an easy-install L-shaped bracket and optional multi-speed control for ASHRAE 62.2 compliance—perfect for modern residential and multifamily bathrooms.

Specifications

Brand	Panasonic
Colour	White
Electric fan design	Exhaust Fan
Power Source	Corded Electric
Style	Modern
Room Type	Bathroom
Special Feature	Portable
Noise Level	1.3 Sones
Wattage	11.1 Watts
Blade Length	7.09 Inches
Voltage	120 Volts
Switch Type	Push Button
Item Weight	3.08 kg
Model Name	WhisperValue
Specification Met	energy star rated
Blade Material	Plastic
Manufacturer	Panasonic
UPC	885170306295
Global Trade Identification Number	00885170306295
Country of Origin	USA
Item model number	FV-0510VS1
ASIN	B06W2LB17J

Have a Question? See What Others Asked

What is the sound (scone) level of this fan?

What is the duct size please?

Can this fan be installed from below, or do you need to access from above ceiling?

The fan turns on but its not a constant speed/whir and it oscillates between on and off - is that how its supposed to work?

Common Questions

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Very impressed with the quality and fast delivery. Will shop here again.

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The product exactly matches the description. Very satisfied with my purchase.

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TrustScore 4.5 | 7,300+ reviews

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