QEI Sound Demonstration
Welcome
to Green heck, the worldwide leader in air movement and control
equipment.
Shhhhhhhhh. To hear how quiet our QEI mixed flow in line fan
is, first reduce all other room noise. Then, just click here on
QEI SOUND DEMONSTRATION.
This video shows three inline fans all operating at 5,000 cfm
at 2.5 in. wg. The units include a vane axial operating 80 dBA,
a tubular centrifugal (TCF) operating at 77 dBA, and a mixed flow
inline fan operating at 68 dBA. All sound measurements were taken
5 feet from the fan inlet.
To hear how effective our Sound Vault is in reducing radiated
sound generated from the casing of the fan, motor and drives,
click here. This video shows
how the Sound Vault effectively reduced the radiated sound pressure
from an industrial blower by 28 dBA.
The movie files above require QuickTime Player, a free utility.
To get QuickTime, click
here.
To calculate energy savings in your location, based on average
electricity rates in your area, click here on ENERGY
SAVINGS.
To review our entire line of mixed flow inline fans... just click
here on GREENHECK
QEI FANS.
To order mixed flow inline fans from your nearest Greenheck rep...
just click here on MY
REP.
Click here to
contact a Greenheck product specialist about our mixed flow inline
fans in more detail.
Please complete the following information: