%0 Conference Proceedings %B 2006 ACEEE Summer Study on Energy Efficiency in Buildings %D 2006 %T Halfway to Zero Energy in a Large Office Building %A Mark Hanson %A Steven Carlson %A Dan Sammartano %A Thomas Taylor %B 2006 ACEEE Summer Study on Energy Efficiency in Buildings %C Pacific Grove, CA, USA %8 08/2006 %G eng