Appliance Design - November 2007 - (Page 36)

QUALITY & STANDARDS Conﬁdence in Clothes Whirlpool Duet HT clothes washer was one of several Whirlpool appliances that were ﬁrst to meet the testing requirement for the new NSF Protocol 172. ation Sized Sanitiz cial, Familyer Comm P172 ential and otocol id NSF Prrmance of Res es Washers Perfo Cloth New sanitization protocol for clothes washers ensures quality and safety. by patrick davison Patrick Davison is senior project manager, NSF International, Ann Arbor, Mich. 36 applianceDESIGN November 2007 rograms like Energy Star and the American Water Works Association’s Water Wiser initiative have become increasingly pervasive in recent years demonstrating consumers’ increasing support for the environment. These and other conservation initiatives continue to grow in scope and in their influence over consumers’ purchasing decisions. These broad trends in environmental conservation have also changed the consumer’s perception of modern manufacturing of clothes washers. New machines are expected to use far less water and energy and, typically, less abrasive detergents. Despite these changes in the engineering and use of modern washing machines, consumers still expect their washing machines to clean and sanitize clothes with the same quality and functionality as before. How can manufacturers continue the trend of efficiency and still ensure their appliances are performing as promised? And P how can energy-efficient washers provide the sanitization necessary to meet demands of customers, especially those with small children or compromised immune systems? A new protocol from NSF International can help. NSF International’s Protocol P172, “Sanitization Performance of Residential and Commercial, Family-Sized Clothes Washers,” combines three sets of well-established provisions — those of the Association of Home Appliance Manufacturers, the Environmental Protection Agency, and the U.S. Department of Energy — under one protocol to ensure that energy and water efficiency are maintained without sacrificing quality, power or sanitization. Protocol P172 allows manufacturers to address consumer concerns and perceptions of energy and water conservation while ensuring consistent product quality and sanitization performance. The protocol provides testing and auditing procedures www.applianceDESIGN.com http://www.appliancedesign.com

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Appliance Design - November 2007 Contents Editorial Shipments/Forecasts News Watch Today’s LEDs are Brighter and More Colorful than Previous Versions, Allowing Designers More Opportunities to Improve and Differentiate Their Products. When Converting from CCFL to LED Backlights in LCD Panels, New Driving Methods are Needed. Electrowetting Technology Allows Displays to be Designed in an Extensive Range of Colors. Noise Problems are Not Always Easy to Find or Fix, but Acoustic Labs Can Help Designers Ferret Out the “Good” Noise from the “Bad.” A New Sanitization Protocol for Clothes Washers Combines the Best of Three Well-Established Provisions to Ensure Efficiency, Quality and Safety. Stricter EMC Requirements Raise the Bar for Appliances with Electronic Controls and Require Testing to New Levels. Despite Added Cost and Complexity, Gas-Modulating Systems have Migrated from Large-Scale Boiler Applications to Smaller Residential and Commercial Furnaces and Appliances. A New Treatment Technology Hardens the Surface of Light Alloys such as Aluminum and Magnesium and Expands Their Potential Applications. DesignMart Advertiser’s Index Association Report: AHAM

Appliance Design - November 2007

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