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鈥檚 done and where to use the method properly. 青青草视频 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鈥檙e still meeting the 2018 IECC standards.