Installing buried ducts in attics, if done properly, has the potential to save dramatically more energy than the typical vented attic setup, but there are definitely some questions about how it’s done and where to use the method properly. Insulation Institute partnered with Home Innovation Research Labs to look into the details of using buried ducts in attics, and how to do so while ensuring that you’re still meeting the 2018 IECC standards. Read, "A New Guide on Vented Attics with Buried Ducts."