Learn how Building America works to accelerate the development and adoption of advanced building energy technologies and practices.

Learn about the Building America teams who continuously drive advancement in building science.

Read about outstanding Building America research achievements.

Learn about Building America's industry partnerships.

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The Energy Department's Building America program is helping to bridge the gap between homes with high energy costs and homes that are healthy, durable, and energy efficient.
U.S. Department of Energy

New Publications

Building America Case Study: Residential Mechanical Precooling, Roseville, California
Precooling is an operational strategy that cools occupied spaces earlier in the day to minimize or avoid afternoon air conditioner operation.
Building America Case Study: Effect of Ducted HPWH on Space Conditioning and Water Heating Energy Use
The purpose of this research is to investigate the impact of ducted heat pump water heaters on space conditioning and water heating energy use.
Building America Case Study: Impact of Improved Duct Insulation on Fixed-Capacity (SEER 13) and Variable-Capacity (SEER 22) Heat Pumps, Cocoa, Florida
A new generation of central, ducted variable-capacity heat pump systems has come on the market, promising very high cooling and heating efficiency.
Building America Case Study: High-Velocity Small-Diameter Duct System, Pittsburgh, Pennsylvania
This study tests the performance of a variable airflow small-diameter duct HVAC system in a new construction low-load test house in Pennsylvania.

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