Air Excellent H/ERV Ducting

Does anyone have experience with the Air Excellent flexible ventilation duct from Centrotherm?AirExcellent.aspxThis system looks similar to the distribution system that Zehnder utilizes, however it is sold with the idea… Does anyone have experience with the Air Excellent flexible ventilation duct from Centrotherm?AirExcellent.aspxThis system looks similar to the distribution system that Zehnder utilizes, however it is sold with the idea…Read MoreGreenBuildingAdvisor