ornl sub 409200 integrated energy systems ies for buildings a market assessment final report paul lemar resource dynamics corporation september 2002 prepared by oak ridge national laboratory tennessee 37831 6070 managed ut battelle llc the us department of under contract no de ac05 00or22725 efficiency and renewable washington dc tn august 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 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