Guide to Determining Climate Regions By County
The United States Department of Energy has divided the U.S. into eight climate regions determined by heating degree days. This guide is intended as an aid in helping builders identify the appropriate climate designations for the counties in which they are building. Download this guide for a list of U.S. counties and which climate regions they are in.
- Heating degree days
- Guide to determine climate regions
- Alphabetic list of counties