Postretrofit News and Analysis
Our house was built in 1951, but Michele and I have been living there since 2007. I’ve met the two previous owners. One was careful about keeping the house comfortable and efficient—the other ...
Recent improvements to window technology make substantial air conditioning energy savings possible. However, shading remains a time-tested method to accomplish the same end. [continue reading]
At the Village Green in Los Angeles, new kinds of partnerships and new energy-efficient applications work hand-in-hand. [continue reading]
Monthly utility costs, maintenance costs, comfort, and healthy indoor air are as important as a price tag when it comes to affordable housing. [continue reading]
To test the feasibility of building new single-family homes that cut air conditioning use to a minimum, researchers here at the Florida Solar Energy Center (FSEC) recently built a 2,425 ft2 home in central Florida using many proven energy-saving building strategies, along with a 4 kW photovoltaic (PV) array that could meet most of the home's daytime electrical demand. [continue reading]
In the early 1990s, Virginia builder Jay Epstein barely cracked double digits when it came to annual house sales. But in 1999 Epstein, the president of Newport News-based Gabriel Enterprises Incorporated, expects to build and sell well over 100 new homes. [continue reading]
A new project will use building diagnostic equipment and techniques to assess the installation quality of energy features in new California homes. [continue reading]
The location and installed integrity of the 3C barrier will dictate the comfort, health, and safety of the home's occupants; the durability of the structure; and the amount of energy required to heat and cool the home. [continue reading]
It takes a long time for even the hottest summer sun to warm up a heavy earthen structure. That's one reason that earth has been a popular building material in hot climates for many centuries and is still common in the sizzling Southwest where I live. [continue reading]
Space conditioning is the biggest piece of the residential energy pie, and thermal shell improvement is a homeowner's best opportunity ...
Energy supplies and efficiency in new home construction took an interesting turn when researchers at Oak Ridge National Laboratory (ORNL) ...