GE ZV36SSFSS User Manual

Page 9

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monogram.com

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The Home Ventilating Institute (HVI) is a third-party certification
organization focused on providing a fair and credible method
of comparing ventilation performance of similar products.
Many agencies such as ENERgY STAR

®

and ASHRAE utilize

HVI certification for performance assurance. All Monogram
ventilation products are certified by HVI.

Some key performance criteria measured by HVI are sound
level measured in sones, high speed and working speed
measured in cubic feet per minute (cfm).

A

sone is an internationally recognized measurement of sound

output. Sones translate decibel ratings into numbers that
correspond to the way people sense loudness. The lower the
sone number the quieter the sound.
Working speed is defined as the speed that produces
100 cfm, or the lowest speed above 100 cfm that a hood
can produce, when working on the same duct system as the
maximum speed.

(HVI916, March 1, 2009) (http://hvi.org/faqs.html)

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