Home Energy January February 2012 : Page 1

JA N U A R Y/ F E B R U A R Y 2012 Vo l . 2 9 N o. 1 contents 42 Euro Technology by Dan Berube U.S. citizens use twice as much energy on average as citizens of European countries. Why? One house doctor travels between countries east and west to fi nd the answer. Editorial 2 Measuring Matters Letters 3 Diagnosing an IAQ Problem and The Down-Low on Downlights Auditing 6 Energy Performance Score 26 Do Savings Come Out in the Wash? by David Korn and Lauren Mattison This extra-large load of study results from 115 new residential washers and dryers in California shows just how far we’ve come in the effi ciency of laundry systems. RESNET Rater 10 Under Pressure Tools 14 Measuring Mechanical Ventilation Airfl ow 34 Home Performance Growing Exponentially in Uncertain Times by Chad Ruhoff Neil Kelly Company shares insights into how its organization is thriving in these challenging times, proving once more that there’s light at the end of this economic tunnel. Trends 18 Nonprofi t Energy Savers Thrive in Washington State 22 Does Replacing Toilet Fixtures Save Water? 52 Neighborhood Inroads by Roger Hahn Rebuilding a historic New Orleans neighborhood encourages consumer demand for energy effi ciency services. New & Notable 59 Europe’s Self-Suffi cient House, ACEEE’s Energy Scorecard, Nation’s Largest Net Zero Energy Community Opens Doors, and more! 62 Advertiser Index 63 Sustainable Connections 64 Calendar COVER PHOTO: The Larch House, the fi rst zero-carbon passive house in the United Kingdom. Photo: Jefferson Smith www. homeenergy.org 1

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