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Only WhisperWall™ models are specifically designed to be installed in a wall.

Smaller ceiling fans (up to 110 cfm) should not be installed in the wall due to mechanical concerns (motor orientation, bearing lubrication, built-in damper, etc.). However, if they are installed in the wall, the duct needs to be pointed up to allow the damper to operate, but the bearings may not last as long as specified due to insufficient oil flow within the sleeve bearings.

Larger fans (190 and 340 cfm) can be installed in either the ceiling or wall. These fans are not prone to lubrication concerns; however, the depth of the wall cavity versus the fan height of the housing should be considered.

Posted in Ventilation Fans By Ventilation Fan Expert

The Panasonic In-Line fan is a versatile system that you can use to provide multiple ventilation inlets in a large bathroom (e.g. shower, toilet, and vanity). Use it as a continuous (low rate) ventilation system with multiple inlets throughout the home to improve indoor air quality. Or, use it to ventilate two bathrooms at once.

Posted in Ventilation Fans By Ventilation Fan Expert

Yes, provided it is protected by a Ground Fault Circuit Interrupter (GFCI). Keep in mind, however, that any ventilation device located in a damp environment may have a reduced life due to high humidity and the potential for corrosion. Fans used in high-humidity areas should be operated for longer periods of time to ensure the removal of moisture and to reduce the potential for condensation in the fan body or ducting.

Posted in Ventilation Fans By Ventilation Fan Expert

Yes. Loose fill or batt insulation can be placed directly over the fan housing in the attic. The efficient, cool-running motors and fluorescent bulbs in Panasonic's fans do not create enough ambient heat to prevent using insulation.

Posted in Ventilation Fans By Ventilation Fan Expert

Panasonic fans are designed to provide continuous operation for a minimum of 30,000 hours. They are actually designed to provide up to 100,000 hours of operation, but most fans have not been around long enough to reach that goal in testing. Some fans, however, have reached 60,000 hours in testing with virtually no wear on their components.

The following features enable the longevity of Panasonic fans:

Motor production

Panasonic motor production is fully automated, with an automatic defect detecting system and have a defect rate of less than 0.0006%.

ISO 9001 plant

The production facilities that build Panasonic fans have been recognized by the International Standards Organization (ISO) as being among the highest quality factories in the world.

Motor design

The electrical design of the fan motor allows it to operate at lower temperatures than most other motors, increasing the life of the motor and its bearings.

Fan housing

The fan housing is made of heavy gauge zinc galvanized steel, and painted to protect it from rust.

Posted in Ventilation Fans By Ventilation Fan Expert

In terms of input wattage, Panasonic fans are among the lowest in the industry. This low wattage draw is accomplished in a number of ways, including:

Unique motor design

The fan condenser acts like a capacitor to store electrical energy and deliver it quickly and in exact amounts to the coil. This reduces the power draw, thus improving the electrical efficiency of the motor.

Selective application

Panasonic builds its own fan motors and components, thereby optimizing efficiency by matching the exact motor characteristics with the desired performance of the fans.

Wide blower wheel

The wide blower wheel improves airflow efficiency, enabling the fan to operate at lower RPM and reduce energy usage.

Posted in Ventilation Fans By Ventilation Fan Expert

Why are Panasonic fans so quiet?

2015-02-08 12:25:24 AM

Fan noise is created as air passes through the grille and enters the blower wheel assembly or fan blade as much of the noise is a function of the blower wheel.

Panasonic fans use a large diameter, wide blower wheel that moves a large amount of air at reduced RPMs. The blower wheel is approximately 60% larger than the competition's, but turns at a lower RPM, reducing tip speed and therefore noise.

The double suction blower wheel is designed to draw in air from both sides of the wheel as this helps keep the noise down and there is more area for the air to enter the wheel.

The exhaust outlet is as wide as the blower wheel, allowing less turbulent airflow as it enters the duct. It is then gradually stepped down before it enters the duct.

Panasonic fans use a four-pole condenser motor which helps the fan to rotate smoothly and evenly, reducing noise.

Posted in Ventilation Fans By Ventilation Fan Expert

Yes, however a 3" to 4" adapter is required.

Posted in Ventilation Fans By Ventilation Fan Expert

Avoid using a 3" duct as this creates very high static pressure, reduces airflow dramatically, and over the long term, reduces motor life in the fan. If you are remodelling a house with existing 3" duct runs, one trick is to use the 3" as a guide for the 4" replacement duct. Simply slip the new 4" duct over the 3" and push it to the fan or to the wall to avoid having to expose the entire duct. Once the new duct is in place, pull out the 3" and dispose of it.

Posted in Ventilation Fans By Ventilation Fan Expert

To calculate how many CFM of airflow is required to properly ventilate any room in your home, use the following calculation.

For an 8 foot ceiling take the square footage of the room and multiply it by 1.1. (Example – 10' x 10' room with 8' ceilings: 10' x 10' = 100 square feet x 1.1 = 110 CFM’s)

For any ceiling over 8 feet, take the height of the ceiling and multiply by .1375. Take this figure and multiply by the square footage of the room. This will equal the recommended CFMs. (Example – 10' x 12' room with 9' ceilings: 9' x .1375 =1.24 x 120 square feet = 149 CFMs.)

Both calculations will give you the minimum recommended CFM

Bathroom fan sizing chart

Bathroom (to achieve 8 ACH as per HVI)

Equivalent duct length

Sq ft

20 feet

40 feet

60 feet

80 feet

100 feet

30

FV-05VQ

FV-05VQ

FV-05VQ

FV-05VQ

FV-05VQ

40

FV-05VQ

FV-05VQ

FV-05VQ

FV-05VQ

FV-05VQ

50

FV-05VQ

FV-05VQ

FV-08VQ or FV-08VQL

FV-08VQ or FV-08VQL

FV-08VQ or FV-08VQL

60

FV-08VQ or FV-08VQL

FV-08VQ or FV-08VQL

FV-08VQ or FV-08VQL

FV-11VQ or FV-11VQL

FV-11VQ or FV-11VQL

70

FV-08VQ, FV-08VQL, 
FV-11VH or FV-11VHL

FV-08VQ, FV-08VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

80

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-15VQ or FV-15VQL

FV-15VQ or FV-15VQL

90

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-15VQ or FV-15VQL

FV-15VQ or FV-15VQL

FV-20VQ or FV-15VQ or
FV-15VQL

100

FV-11VQ, FV-11VQL, 
FV-11VH or FV-11VHL

FV-15VQ or FV-15VQL

FV-15VQ or FV-15VQL

FV-20VQ or FV-15VQ or
FV-15VQL

FV-20VQ or FV-15VQ or
FV-15VQL

140

FV-15VQ or FV-15VQL

FV-20VQ

FV-20VQ

FV-20VQ

FV-20VQ

180

FV-20VQ or FV-11VQ (x2)

FV-20VQ or FV-11VQ (x2)

FV-20VQ or FV-11VQ (x2)

FV-20VQ or FV-11VQ (x2)

FV-30VQ or FV-20VQ (x2) or
FV-15VQ (x2)

240

FV-20VQ or FV-11VQ (x2)

FV-20VQ or FV-11VQ (x2)

FV-30VQ or FV-20VQ (x2) or
FV-15VQ (x2)

FV-40VQ or FV-20VQ (x2) or
FV-15VQ (x2)

FV-40VQ or FV-20VQ (x2) or
FV-15VQ (x2)

300

FV-40VQ or FV-20VQ (x2) or
FV-15VQ (x2)

FV-40VQ or FV-20VQ (x2)

FV-40VQ or FV-20VQ (x2)

FV-20VQ (x2)

FV-20VQ (x2)


Posted in Ventilation Fans By Ventilation Fan Expert
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