When Habitat for Humanity St. Louis (HFHSL) identified vacant property just north of downtown, the construction team wanted to build homes that were not only energy efficient but safe for its new tenants.  And with Model Building Codes now requiring new single- and two-family dwellings to be outfitted with sprinkler systems, Habitat chose to go with copper systems for all of its new homes, including the six that were completed this spring. To view Multimedia News Release, go to