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Insulation and Sound Engineering for a 40 dB Dishwasher
October 2008
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KitchenAid achieved its quietest dishwasher
design ever with the EQ Wash System and
Whisper Quiet Ultima Sound Insulation System.
The result is a sound rating of only 48
dBA, per IEC standards and operating in the
normal cycle. This is a level close to that of a
quiet room (about 40 decibels). A variable-speed
motor helps minimize operating noises
by starting slowly and adjusting its operating
capacity to deliver the power needed
based on the wash cycle. Alternating wash
zones focus washing action while using less
water and energy. Debbie O’Connor, senior
manager of brand experience for KitchenAid,
says the dishwasher is 58% more effi cient
than Energy Star. “It also has an effi ciency
designation from the Consortium for Energy
Effi ciency (CEE), making it eligible for energy
rebates in select states,” she says.


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