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Residential Clothes DryersA Closer Look at Energy

10 Nov 2011

Residential Clothes Dryers: A Closer Look at Energy Efficiency Test Procedures and Savings Opportunities         Project Manager Noah Horowitz, Senior Scientist   Natural Resources Defense Council   nhorowitz@nrdc.org         Prepared by:   David Denkenberger, PhD, Serena Mau, Chris Calwell, and Eric Wanless Ecova   1199 Main Avenue, Suite 242 Durango, CO 81301         Natural Resour. [...] The test procedure should employ a standardized mix of real articles of clothing, or test  cloths that are at least equally challenging to dry.   2. [...] The test procedure should use an efficiency metric that appropriately values the amount of  source energy it takes to remove a unit of water. This will allow for a direct comparison of  the performance and efficiency of gas and electric dryers.  3. [...] Dryers should be allowed to run until they stop automatically in a variety of modes rather  than to a predetermined moisture content in “high heat” mode. In our testing we ran the  100% cotton load in “high heat” and “more dry” auto termination mode and the 50/50 load  on “medium heat” and “normal dryness” auto termination mode. We also recommend that  dryers be tested in “eco mode” where applicab. [...] S. Environmental  Protection Agency to NRDC. The views and findings expressed herein are solely those of the authors  and do not necessarily reflect those of the EPA.                           A Further Investigation of Dryer Energy Test Procedures & Savings| November 2011 | Page 10  Background Research Approach The Importance of Measuring Real Clothing Allowing Dryers with an Automatic Shut-off F.

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United States of America