During the first two days of May 2010, a nearly 14-in. downpour fell on “Music City USA” and the Cumberland River burst its banks, causing the worst flood in Nashville’s history. Among the many businesses that suffered terrible losses during the flood was Schermerhorn Symphony Center, completed just four years earlier and home of the Nashville Symphony.

A series of successful installations has made construction manager Cliff Holden a big believer in tankless water heating systems for the school-building projects he oversees. Since 2007, the 15-unit Burleson (Texas) Independent School District (BISD) has erected six new educational facilities under Holden’s direction, and the latest three have all featured multiple-unit, tankless solutions — in no small part because he wholeheartedly championed the idea.