Duct Fitting CAD Blocks | Free DWG for HVAC Design

Download high-quality Duct Fitting CAD Blocks in DWG format—perfect for HVAC designers, MEP engineers, and AutoCAD professionals. This collection includes elbows, reducers, transitions, take-offs, splitters, caps, and flexible duct connectors shown in both plan and elevation views. All blocks are precisely scaled, cleanly drawn, and fully compatible with AutoCAD and other CAD platforms. These CAD symbols are essential for creating accurate, detailed duct layouts and mechanical plans for residential, commercial, or industrial HVAC systems.