Ge ZV36SSFSS Manuel d'utilisateur télécharger pdf (Page 9)

monogram.com

Chimney hoods

Professional hoodsCustom hood insertsTelescopic

downdraft vents

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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Ge ZV36SSFSS Manuel d'utilisateur Page 9