"Building America, U.S. Department of Energy ; Research that works."
"Building Technologies Program, U.S. Dept. of Energy Efficiency and Renewable Energy."
Summary
In 2001, the Building America Building Science Consortium (BSC) developed the Web-based Houses That Work (HTW) as a climate-specific technical resource for designing and building homes that use 30% less energy or space conditioning and hot water than the 1995 Model Energy Code (MEC) ... Houses that Work II (HTWII) is more comprehensive and more detailed than the original HTW and represents the latest BSC experience and results under the Building America program.
