Welcome to Keep Cool Illinois, a collaborative effort by state agencies working together to serve the state's residents. Keep Cool Illinois is a one-stop site for information about how to beat the heat of summer in Illinois, how to stay safe during the season for outdoor recreation, and how to tap to resources that help you keep yourself and your homes and businesses cool, and to do so efficiently and cleanly.

The Keep Cool Illinois partners include the Department of Commerce and Economic Opportunity's Low Income Home Energy Assistance Program (LIHEAP) and Illinois Home Weatherization Assistance Program (IHWAP), the Illinois Department of Human Services, the Illinois Emergency Management Agency, the Illinois Tollway, the Department of Natural Resources, the Department of Public Health and the Office of the State Fire Marshal, and other agencies.