Intergraph(R) to Demonstrate CADWorx(R) for Accurate Refrigeration and Heating Plant Design at ARHEXPO on January 28-30 in Dallas HOUSTON, TX--(Marketwire - Jan 28, 2013) - Intergraph is exhibiting CADWorx for designing refrigeration and heating plants in booth #3117 at the 65th International Air-conditioning, Heating,...