HVAC

Course Duration: 45 Days (1.5 Months)
Mode: Online / Offline
Level: Beginner to Intermediate
Tools Covered: AutoCAD (or similar CAD software), HVAC Symbols & Standards

Course Objectives:

• Understand the fundamentals of HVAC systems and drafting principles.
• Develop proficiency in 2D HVAC layout creation and schematic representation.
• Learn industry-standard symbols, duct sizing, and annotation techniques.
• Prepare HVAC 2D drawings suitable for site execution and coordination.

Course Structure & Content

Module 1: Introduction to HVAC & Drafting Basics (3 Days)

• Overview of HVAC systems (Cooling, Heating, Ventilation)
• Importance of drafting in HVAC projects
• Understanding HVAC symbols & line types
• Setting up drawing templates, layers, and units

Module 2: AutoCAD Essentials for HVAC Drafting (7 Days)

• AutoCAD Interface & Basic Commands
• Layers, Blocks, Lineweights
• Annotation: Text, Dimensions, Leaders
• Working with Layouts and Viewports
• Title Block creation and Inserting Logos

Module 3: HVAC System Layout Drafting (10 Days)

• Creating Duct Layout Plans (Supply, Return, Exhaust)
• Drafting AHU/FCU placement and connections
• HVAC equipment schedule creation
• Grille, Diffuser, and Duct Drop Layouts
• Zoning and Routing principles

Module 4: Duct Sizing and Annotation (5 Days)

• Manual Duct Sizing Basics
• Using Standard Tables for duct sizing
• Annotating duct sizes, airflow (CFM), and tags
• Creating legends and drawing notes

Module 5: HVAC Schematic & Riser Diagrams (5 Days)

• Drawing schematic diagrams (Single-line representations)
• Drafting riser diagrams for vertical HVAC systems
• Legends, notations, and flow directions
• Integrating schematic with layout drawings

Module 6: Project Work & Coordination Drawings (10 Days)

• Preparing full HVAC layout for a sample residential/commercial building
• Coordination with Architectural & Structural drawings
• Reflected ceiling plans integration
• Print-ready drawings and submission formats

Module 7: Final Assessment & Certification (5 Days)

• Review of key concepts
• Drawing exam or practical project submission
• Feedback & Q/A Session
• Certificate of Completion

Deliverables:

• Practice Drawing Files
• HVAC Symbol Library
• HVAC Drafting Checklist
• Course Completion Certificate