On this site you'll find nearly 200 Building Technologies Program publications on energy efficient building technologies and practices, including fact sheets, case studies, program overviews, and more. The documents are available as Adobe Acrobat PDFs. Download Adobe Reader.
Featured Publications
Attic Access
One of our most popular publications, this technology fact sheet provides tips for adequately insulating a home's attic hatch, pulldown stairs, or knee-wall door. These areas represent one of the biggest deficiencies in the thermal barrier between the attic and conditioned space (PDF 1.8 MB).
High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems
Part of the Building America Best Practices series, this publication provides an introduction to current photovoltaic and solar thermal building practices, including roof and rack mounting systems (PDF 9.5 MB).