The Phoenix House, built by UofL and Ball State University faculty, staff, students and volunteers for the 2013 Department of Energy Solar Decathlon competition. Photo by Andrew Marsh.MED

The Phoenix House, built by UofL and Ball State University faculty, staff, students and volunteers for the 2013 Department of Energy Solar Decathlon competition. Photo by Andrew Marsh.

The Phoenix House, built by UofL and Ball State University faculty, staff, students and volunteers for the 2013 Department of Energy Solar Decathlon competition. Photo by Andrew Marsh.