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.

Provide either your county/state OR zip code to find your climate zone. Building America Solution Center is a resource of the U.S. Department of Energy's Building Technologies Office.

A map of all the NOAA climate divisions in the United States is available online. Individual state maps that show the NOAA climate divisions by county are also available online.

CLICK TO ENLARGE The DOE map of U.S. Climate Zones is used by the International Residential Code (IRC) and Model Energy Code. ESTIMATING SPREADSHEET SPECIAL.

This map layer depicts the climate zone designations used by the U.S. Department of Energy Building America Program by county boundaries (generalized).

Nov 23, 2025 · Understanding the DOE Climate Zone Map is vital for home efficiency. Learn how your zone (from Zone 1 to Zone 7) determines insulation R-values and your mandatory AC size.

This map layer depicts the climate zone designations used by the U.S. Department of Energy Building America Program by county boundaries (generalized).

Dec 29, 2025 · Koppen climate classification, widely used vegetation-based empirical climate-classification system developed by German botanist-climatologist Wladimir Koppen. He …

This page offers some general guidelines on the definitions of the various climate regions based on heating degree-days, average temperatures, and precipitation. You can also view the …

Building America Solution Center is a resource of the U.S. Department of Energy's Building Technologies Office.