final report integrated energy systems ies for buildings a market assessment prepared efficiency and renewable us department of washington dc oak ridge national laboratory tn by resource dynamics corporation august 2002 8605 westwood center drive vienna virginia 22183 703 356 1300 www rdcnet com table contents section page executive summary es 1 introduction status 2 doe objectives 3 state the art defining chp 4 absorption chillers 10 engine driven 12 desiccant dehumidification potential compatibility with building analysis types 8 regional 9 sensitivity technical barriers economics tax treatment product performance availability awareness information education utility policies regulation planning siting zoning 5 environmental supporting infrastructure 6 technology r&d implications improving cooling options