Residential HVAC Plans Needed

I need a complete set of HVAC specifications and drawings for my two-storey home and I’m on a tight timeline. The system will be Central Air Conditioning with both heating and cooling capability. All rough-ins... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Architecture, Building Design, CAD/CAM, Civil Engineering, HVAC, Mechanical Engineering, Revit)