Quinnell, JoshDavidson, Jane2012-01-202012-01-202011-11https://hdl.handle.net/11299/119842Space heating accounts for 45 percent of all residential energy. The major challenge in using solar thermal systems for space heating is the inadequate winter solar resource. To address this challenge, we have developed long-term storage to save solar energy from the summer for use in the winter.College of Science and EngineeringDepartment of Mechanical EngineeringPresentation