this version is dated january 2005 disclaimer document was designed for the internal use of united states department energy will be occasionally updated and therefore copy may not reflect most current prepared as account work sponsored by an agency government neither nor any thereof their employees makes warranty express or implied assumes legal liability responsibility accuracy completeness usefulness information apparatus product process disclosed represents that its would infringe privately owned rights reference herein to specific commercial service trade name trademark manufacturer otherwise does necessarily constitute imply endorsement recommendation favoring contractor subcontractor views opinions authors expressed do state those doe s office efficiency renewable buildings databook has developed
