Design Master Software develops electrical and HVAC software for AutoCAD and Revit. Design Master Electrical RT: Electrical calculation software for Revit MEP. Adds feeder sizing, branch circuit breaker and wire sizing, voltage drop calculations, fault calculations, and arc-flash calculations. Design Master Electrical: Electrical design software for AutoCAD. Includes panel schedules, fault and voltage drop calculations, feeder and branch circuit breaker and wire sizing, photometrics, one-line riser diagrams, arc-flash calculations, and 3D modeling. Design Master HVAC: HVAC design software for AutoCAD. Calculates building loads. Designs and drafts ductwork, including ductwork sizing, pressure drop calculations, and 3D modeling. Design Master Photometrics: Outdoor photometric lighting software for AutoCAD. Intended for civil engineers and landscape architects to perform their own outdoor site lighting calculations in AutoCAD.