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Click on the map to access case studies in specific climate regions or visit the All Climates page to see technology-specific case studies applicable to all climate zones.

Building America's Best Practices guides and case studies demonstrate real-world solutions for improving the energy performance and quality of new and existing homes in five major climate regions. Find examples of proven high-performance home building and remodeling in your area by selecting a climate zone below. In addition, you may view technology-specific building solutions that work across all climates.

For additional, updated information on hundreds of building science topics that can help you build or retrofit to the most recent high-performance construction criteria, including the latest version of ENERGY STAR and the DOE Zero Energy Ready Home requirements, see the Building America Solution Center.

Housing Innovation Awards

See the Housing Innovation Award winners—industry leaders who represent the very best in innovation on the path to zero energy ready homes.