Climate Zones Are Getting Warmer (Mostly)
Climate zones for energy code purposes are defined in the International Energy Conservation Code (IECC). Every three years, that code gets updated. The map that was in the last version of the IECC, which came out in 2018, had been…
![Design Temperature And Degree Days Are Different [Photo By NOAA ESRL, From Flickr.com]](https://www.energyvanguard.com/wp-content/uploads/2021/02/thermometer-cold-design-temperature.jpg)
