On a split vote Tuesday, the Durango City Council adopted the 2015 energy code that will require all new construction in city limits to be more efficient. Councilors Dean Brookie and Melissa Youssef ...

Builders have had to wrestle with ever-increasing energy code requirements for almost two decades. Even though the national model energy code, the International Energy Conservation Code (IECC), has ...

The 2015 International Energy Conservation Code (IECC)—the code that serves as the model for states’ codes—has undergone final changes. Reinstating mechanical equipment tradeoffs, one of this year’s ...

The rules will affect new residential construction projects funded by the federal Housing and Rural Development agency. Now, lawmakers are pushing the agency that oversees the nation’s two largest ...

Whether buildings of the future have massively scaled back carbon footprints may turn on developments with building energy codes, a locus of growing attention and debate. One, the International Energy ...