Drafting download
1.
progeCAD Standard Commercial IntelliCAD imaging software, $245
progeCAD offers AutoCAD functionality for minimal cost. Edit DWG files from most any version of AutoCAD. Similar icons, commands and interface. Raster image embedding, IntelliCAD AutoLISP interpreter.
2.
Design Master HVAC imaging software, $840
Design Master HVAC is an integrated HVAC building design and drafting program for AutoCAD. Features include 2D and 3D ductwork drafting, ductwork sizing, pressure drop calculations, and building load calculations.