Posted in Efficiency
The Ultimate In Affordable Low-Energy Living
New research into the most advanced building technology, products and techniques will help evaluate the market viability of low-energy homes. The Zero Energy Building Research Alliance (ZEBRAlliance), a partnership between Schaad Companies, Tennessee Valley Authority (TVA), Oak Ridge National Laboratory (ORNL), BarberMurray Architects and the Department of Energy (DOE), is currently building four homes expected to be 60% more energy-efficient than those of similar size and style. Over the next two years, ORNL and TVA will collect data from the homes’ 400 sensors in order to analyze energy efficiency under standard living conditions and determine subsequent affordability on the open market. For more information visit www.zebralliance.com.
The Power of Building Green
Triangle area builders, architects and engineers will have a rare opportunity to attend a green building summit with industry thought leaders at the William and Ida Friday Center at the University of North Carolina (UNC) on Friday, October 9, 2009, from 8:00 a.m. – 12:00 p.m. “The Power of Building Green” will offer insight into residential design and building practices, green remodeling, certification and current product trends. Katy Tomasulo, deputy editor of EcoHome magazine, will act as moderator.
A Breakthrough In The Radiant Barrier
New findings suggest that a radiant barrier in the attic space may be the most cost-effective strategy for homebuilders looking to block solar heating of the home and reduce overall energy use. Engineers at Oak Ridge National Laboratory simulated a wide range of climate conditions to test how well various roof systems blocked the transfer of radiant heat into a home’s interior. LP® TechShield® was selected to represent one of the industry’s leading radiant barrier technologies. It was then pitted against cool color roofs, above-sheathing ventilation, and conventional insulation to determine the “ultimate roof system.” According to senior research engineer William Miller, Ph.D., P.E., initial results indicate that a radiant barrier performs equally as well as other roof systems but at half the cost. The same study also concluded that the savings with radiant barriers in northern climates is better than expected.
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