HVAC (Heating, Ventilation, and Air Conditioning) shop drawings are critical in ensuring accurate fabrication and installation of ductwork, piping, and HVAC equipment. These drawings require precision, which is why professionals rely on specialized software tools to produce detailed layouts, sections, and isometric views. Below are some of the most widely used software solutions for HVAC shop drawings:

1. AutoCAD MEP:
   AutoCAD MEP is an extension of the traditional AutoCAD platform, designed specifically for mechanical, electrical, and plumbing (MEP) systems. It comes with built-in tools and libraries tailored for HVAC components such as ducts, fittings, pipes, and equipment. Its ability to create accurate 2D and 3D models makes it a top choice for shop drawings.


2. Revit MEP:
   Revit is a Building Information Modeling (BIM) software developed by Autodesk. Revit MEP allows for intelligent modeling of HVAC systems, enabling coordination with architectural and structural models. It ensures real-time clash detection, improving collaboration and reducing errors during construction. Revit is ideal for large-scale HVAC projects with a need for detailed analysis and simulation.


3. FABmep / CADmep:
   Autodesk FABmep and CADmep are part of the Autodesk Fabrication suite and are used to create fabrication-ready shop drawings. These tools are especially useful for contractors who need to convert BIM models into fully coordinated, constructible fabrication models, including detailed spooling and material lists.


4. Trimble AutoBid Mechanical:
   Trimble’s AutoBid Mechanical is often used for cost estimation and takeoffs, but it also includes features for shop drawing production, especially when integrated with Trimble SysQue or other 3D detailing tools.


5. Navisworks (for coordination):
   While not used directly for drawing creation, Navisworks is used for reviewing HVAC Shop Drawings PDF in coordination meetings. It helps in clash detection and ensures that the MEP systems fit within the building model.

Conclusion:
For HVAC shop drawings, AutoCAD MEP and Revit MEP are the most common software choices due to their wide industry adoption, precision, and BIM capabilities. However, tools like CADmep and Trimble add more depth, especially for fabrication-level detailing. Choosing the right software depends on the project scope, team preferences, and coordination needs.