The HVAC Design & AutoCAD Drafting Course at TMD Infra is a comprehensive, industry-oriented training program tailored for mechanical engineering graduates, diploma holders, and working engineers aspiring to build careers as HVAC Design Engineers, Consultants, and Project Managers.
The curriculum thoroughly covers fundamental thermodynamics, psychrometrics, heat load estimation using Carrier HAP & manual E-20 sheets, air distribution duct design (SMACNA standards), hydronic chiller piping, VRF/VRV systems, chilled water pump head calculations, and AutoCAD 2026 drafting based on ISHRAE, ASHRAE, SMACNA, and NBC guidelines.
| Module No. | Module Title | Topics | Duration |
|---|---|---|---|
| Module 01 | HVAC Design Engineering Fundamentals, Psychrometrics, Heat Load (HAP), Air distribution, Hydronics, Chilled Water, Cold Storage, BOQ |
31 Topics | 51 HRS (8 Weeks) |
| Module 02 | AutoCAD & HVAC Drafting AutoCAD 2026 tools, Layer standards, Detailed Duct & Piping Shop drawings, Chillers/AHU/FCU Typical details |
18 Topics | 24 HRS (4 Weeks) |
| Total Course Hours: | 75 Hours (12 Weeks / 3 Months) | ||
Carrier HAP software & Manual E-20 forms, solar heat gains & CFM airflows.
Ductulator, aspect ratio optimization, static pressure (ESP) & diffusers.
Pipe sizing, primary/secondary pumps, cooling towers, valves & fittings.
SLD/DLD drawings, shop drawings, sections & MEP layer standards.
Centrifugal vs. axial fans, fan performance curves, motor HP calculation.
Basement parking jet fan ventilation, toilet exhaust, kitchen ecology units.
Pre-filters, fine filters, HEPA filters selection as per MERV rating.
Pressure drops in elbows, reducers, dampers, and diffusers.
Air Handling Unit & Fan Coil Unit sizing, coil rows & CFM selection.
Air-cooled vs. water-cooled chillers, COP, IPLV & kW/TR analysis.
Air changes per hour (ACH) calculation for industrial & commercial zones.
Atrium smoke extraction, pressurisation fans & fire damper controls.
Airflow sizing and inline fan duct layout for restrooms.
Design criteria, fan CFM & relief damper positioning as per NBC code.
Heat dissipation CFM calculations & acoustic louver sizing.
Induced draft vs. forced draft cooling tower sizing & GPM selection.
2-way/3-way control valves, balancing valves, PICV & coil selection.
2-pipe cooling & 3-pipe heat recovery VRF system design & refnet sizing.
Evaporative cooling pads, pump head & CFM selection for dry climates.
Primary/Secondary loop decoupling, header sizing & expansion vessel.
Total Dynamic Head (TDH) calculation, pump curve analysis & motor HP.
Constant volume vs. Variable Air Volume boxes & VFD control logic.
External Static Pressure calculation for fan & AHU static head rating.
Refrigerated warehouse heat load, PUF panel insulation & defrosting.
BOQ preparation, sheet metal tonnage, pipe meterage & equipment specs.
Workspace setup, units, drawing limits, templates & coordinate systems.
Line, circle, arc, polyline, spline, rectangle, hatch & gradients.
Offset, trim, extend, fillet, chamfer, mirror, scale, stretch, array, explode.
Layer standards for MEP, text & dimension styles, blocks & attributes.
Layout viewports, XREF external reference workflow & PDF scale plotting.
Architectural floor plan overlay, zoning & schematic routing.
Double Line Diagram (DLD) duct layout, grilles & diffuser tags.
Supply & return chilled water pipe routing, valves & risers in AutoCAD.
Elbows, offsets, shoes, transitions, branch take-offs drafting.
Bottom of Duct (BOD), Bottom of Pipe (BOP) & slope elevation marking.
Drafting design parameters, client design criteria & legend tables.
Chiller hookup details, inertia pad, flexible connections & headers.
Air Handling Unit piping hookup, 3-way valve, strainer, VAV connection.
Fan Coil Unit piping schematic, drain pipe slope & thermostat wiring layout.
Primary/Secondary pump suction & discharge piping connection details.
Butterfly, check, balancing valve & pressure gauge installation views.
Y-strainer and pot strainer installation & cleaning clearance details.
Cross-sectional views showing duct, pipe & tray height clearance coordination.
Every student carries two real-world building projects from scratch to final tender submission: