Home Energy magazine Volume 11, No. 1 January/February 1994

Departments Editorial Ten Years of Timeless Home Energy Letters Conservation Clips Trends Downsizing the CFL Rebuilding Dade County, Florida Are Blower Doors Hazardous? HUD Meets the Deadline Project Landlord Energy Efficiency Rides the Radio Airwaves Do you have questions or comments? Email Home Energy magazine at contact@homeenergy.org

Feature Articles Can We Transform the Market Without Transforming the Customer? by Merrilee Harrigan Whatever the condition of a home, the behavior of the occupants is the most powerful determinant of how much energy is consumed. Introduction to Blower Doors by David Keefe Now a widely used diagnostic tool, blower doors have revolutionized the way most professionals approach retrofit work. This introduction explains how blower doors work, what can be gained from their use, and what a typical blower door test involves. Infiltration: Just ACH50 Divided by 20? by Alan Meier This Home Energy classic, originally printed in 1986, explains a surprisingly simple way to take one air infiltration measurement and determine a home's average air infiltration rate. Everything I Know about Energy-Efficient Showerheads I Learned in the Field by Mike Warwick and Curtis Hickman In an end-use metering study conducted by Pacific Northwest Laboratories, low-flow showerheads saved less energy and water than expected. The results underscore the importance of using metered data to design conservation programs, because engineering estimates can vary radically from actual savings.