Architect: Michelle Penn, AIA This barn home is modeled after an existing Nebraska barn in Lancaster County. Heating is by passive solar design, supplemented by a geothermal radiant floor system. Cooling will rely on a whole house fan and a passive air flow system. The passive system is created with the cupola, windows, transoms and passive venting for cooling, rather than a forced air system. Here you can see the underside of the gambrel roof and the ladder leading up to the cupola. Photo Credits: Jackson Studios