NextGen Home, 351 Hamilton in North Chattanooga CHATTANOOGA. Green|spaces, Chattanooga's resource for green building, will host tours of their NextGen Homes project on Sunday, March 12, from 2 to 4 p.m. at 631 Hamilton Ave. Admission is free, but registration is required through EVENTBRITE. This will be the last chance to tour the NextGen Homes, designed to educate builders,