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HVAC Design & Drafting

HVAC Design & Drafting Course

HVAC is the backbone of modern infrastructure, ensuring indoor environmental comfort across residential, commercial, industrial, and institutional buildings.  HVAC consuming over 70% of a building’s total energy, efficient design, equipment selection, and sustainability are critical to optimizing performance and reducing operational costs.

Academics often fail to provide real-world exposure to the latest HVAC design tools and international standards. At Finnaire, we bridge this gap by offering practical, job-oriented training that equips professionals with hands-on skills & Software experience.

( MODULE 1 ) INTRODUCTION TO HVAC

Basics of Heating, Ventilation and Air Conditioning Systems.
Market trends & Scope of HVAC.
Factors affecting Human Comfort.
Human tendency to system selection
HVAC Applications.
Refrigeration Cycle.
PH Chart & R410A Cycle.
Components of Refrigeration Cycle.
Factors affecting System Selection.
Modes of Heat Transfer

( MODULEL 2 ) PSYCHOMETRY

What is Psychometric Chart and How to Use it.
How to Calculate Dry Bulb, Wet Bulb, and Dew Point Temperatures.
Relative Humidity and Sensible Heat Ratios.
Study of Psychometric process.
Industrial Desiccant Dehumidifiers.
Analysis of Psychometric process for various climatic conditions.
Draw Through & Blow Through Coil.
Importance of dew point temperature.
Understanding the Cooling Coil load.
Use of Psychometric software

( MODULE 3 ) AIRCONDITIONING SYSTEM

Different Types of Air Condition Systems
Centralized and Decentralized Water Systems
DX & CHW System (Air Cooled & Water Cooled).
Understanding Window ACs, Split ACs, Package Units, Centralized ACs,Cassette Units, Floor Mounted Air Coolers, and Variable Refrigerant Volume (VRV) Systems (Air Cooled & Water Cooled),
Understanding of Package Units.
CCU’S – Closed Control Units.
Chilled Water Fan Coil Units (FCU), and Air Handling Units (AHUs).
Condenser Units.
Refrigerant Types, Properties & Applications.
Secondary Refrigerant.
Refrigerant Piping, Pipe sizing, Pipe Thickness,
Gravity & Pump drain systems.
Understanding components of Fan Coil Unit.

( MODULE 4 ) DESIGN OF HVAC SYSTEM

Understanding Space Load Factors
Thumb Rule for Heat Load Calculation
Training on HAP 5.0 Software
Generating Data for Equipment Selection Based on Cooling Load
AC Equipment Selection (Quick Selection)
Coil Design Parameters.
HVAC Concept Report.
Study of Clean Room system.
Calculating COP, IPLV and EER Values
Evaporative Cooling.
Preparation of Thermal Load Summary Sheet, Window Schedule, and U Value Calculation Sheet (Wall, Glass, Roof, Partition) Based on Dubai Municipality Guidelines

( MODULE 5 ) VENTILATION SYSTEMS

Positive & Negative Ventilation systems.
Fresh Air and Exhaust Air Calculation – Based on Ashrae code 62.1.
Fan laws & Fan selection & Types.
Components of Smoke Management system.
Staircase Pressurization Systems
Lift well Pressurization Systems
Lobby Pressurization Systems
Lobby Smoke Extraction system
Concept of Lobby MSFD Controls.
Minimum requirements of Smoke Management system.
Airflow calculation of SEF, LPF, SPD.
Car park ventilation system.
Kitchen Exhaust Systems.
Hood extract calculation – DW144.
System components – ESP, Carbon Filters, Ecology, VFD, Potentiometer.
Connecting more than 5 Hoods to single Ecology.
Study & Selection of ERV & DERV Units.
Selection of Car Park Exhaust Fans, Staircase & Smoke Fans.
Dehumidifier systems.
Industrial Dehumidifiers.
Swimming pool Dehumidifiers.
Fresh Air Handling Units – Study of selections.
FAHU Combinations & Load Calculations

( MODULE 6 ) AIR DISTRIBUTION SYSTEM

Duct Designing- Equal Friction and Equal Velocity Method
Duct Aspect Ratio and Duct Sizing (Graph, Duct Sizer & Thumb Rule).
Types of Duct Materials (GI/MS/SS/PI/PF, FABRIC).
Gauges & Shapes of Ducts.
Differentiating Between Low, Medium, and High-Pressure Ducts
Duct supports, Angle spacing & Size.
Introduction to SMACNA and DW-144 Standards & Fabrication methods.
Example on How to Perform Duct Designing
Duct Routing – Preparation of single line diagram (SLD)
VAV & CAV Systems.
How to Perform ESP Calculation – Ashrae Duct Fitting Software
Concept of Air Distribution.
Blower Door Test.
Duct Cleaning process.

( MODULE 7 ) DUCT ACCESSORIES

Ductwork Installation.
Ductwork Accessories.
Air Outlets.
Volume Control dampers, Fire Dampers, Flexible duct Connectors.
Motorized Dampers, MSFD’S.
Acoustic Lining – Comparison of Types.
Duct Thermal Insulation.
Selection of Sand Trap and Gravity Louvers
Sound Attenuators & Cross Talk Attenuators.
Air Filters – G5, F7, MERV 14, HEPA Etc. Types, Applications & Specifications.
Beta Software for Air Outlet Selection.

( MODULE 8 ) CHILLED WATER SYSTEMS

Different Types of Chillers and Selection.
Air Cooled Chillers.
Water Cooled Chillers.
Cooling Towers – Types, capacity selection, Make up water, Losses & Performance.
District Cooling Systems.
Sample study Empower Plant.
Low Delta T in District Cooling System.
Primary and Secondary Chilled Water Pumps
Types of Chilled water Pumps & Pump Construction.
Calculation of Chilled Water Pump Head Load.
Pump Laws & Characteristics.
Chemical Dosing & CHW Flushing process.
Chilled Water Pipe Sizing using chart & Pipe Sizing Software.
Selection of Heat Exchangers.
Selection of Pressurization unit.
Understanding Air Separators.
CHW Pipes & Fittings & Accessories.
Chilled Water Valves & Valve Packages.

( MODULE 9 ) VRF SYSTEM

Understanding concept of VRF System.
Components of VRF System.
Review of Daikin sample VRF selection.
Study of VRF Shop drawings.
Other VRF system concepts.
Field practices for Piping & Charging.
Understanding pipe limitations.
FAHU with VRF Outdoor Units.
Water cooled VRF Systems.
Underground VRF Piping System.
VRF Installation Guidelines.
Daikin VRF system Selection (Software).

( MODULE 10 ) TESTING & COMMISSIONING

Understanding of T & C Process.
Pre commissioning Checklist.
Refrigerant charging process.
Air & Water Balancing & Tools Calibration.
Principal Supplier T & C Reports.
T & C format for regular AC Split System.
Final snagging and handover.
Fan Static & Pump Head Importance

( MODULE 11 ) SUPPLIER PRODUCT SUBMITTALS

Classification of Submittals.
Contents of Submittals.
Certifications.
Sample Material approval forms.
Review of physical samples.
Standards

( MODULE 12 ) HVAC CALCULATIONS
  1. Duct Heater Capacity Calculation.

  2. FAHU Condensate Drain water Calculation.

  3. Water Volume Calculation – CHW System.

  4. Expansion Vessel Calculation.

  5. Cooling Tower Make up water Calculation.

  6. PHE Capacity for Water cooling System

  7. DX Domestic Water Chiller calculation.

  8. Useful Formulas.

  9. Cheat Sheet for overall HVAC Understanding

( MODULE 13 ) COSTING & ESTIMATION
  1. Costing & Estimation for different applications.

  2. Internal Inspection reports.

  3. Sample Consultant Inspection requests.

  4. Project Quotation format.

  5. Project Contract format.

  6. Project Billing BOQ.

  7. Drawing & Material logs.

  8. List of AC Materials/ Consumables.

  9. Organization Chart.

  10. Company Profile.

( MODULE 14 ) HVAC CONTROLS
  1. Building Management System.

  2. Room Automation System.

  3. SOP – District Cooling System.

  4. CPM for Air cooled Chillers.

  5. Differential Pressure Sensor for VFD Pumps.

  6. Master- Slave Concept – NIM Module.

  7. Study of BTU Meters.

  8. Controls in ETS Room Primary Side

( MODULE 15 ) SHOP DRAWINGS
  1. Steps Involved in Shop Drawing Preparation.

  2. Shop Drawing Samples.

  3. MEP Coordination Layout.

  4. Submission stage, Comments & Revision process.

  5. Other Drawing requirements.

  6. Sample Drawings Study.

  7. Types of Drawings.

( MODULE 16 ) OTHER SYSTEM CONCEPTS
  1. Power Saving DX VS Inverter Split Units.

  2. Hot Gas Bypass System.

  3. Energy Saving Guidelines

  4. Understanding basics of Green Building.

  5. Study of Air Zones.

  6. Air Curtains.

  7. Airside & Waterside Economizers

  8. Demand Control Ventilation

  9. Energy saving design guidelines

( MODULE 17 ) COORINATION OF OTHER MEP SERVICES
  1. Fire Alarm Service Coordination.

  2. Plumbing Service Coordination.

  3. Electrical Service Coordination.

  4. BMS Service Coordination.

  5. Civil Service Coordination.

( MODULE 18 ) HEATING SYSTEMS
  1. Types of Heating Systems

  2. Heat Pumps.

  3. Geothermal Heat Pumps.

  4. Hybrid Heating system.

  5. Furnaces.

  6. Water Cooling & Heating Systems.

  7. Underfloor Heating.

  8. District Heating System.

  9. Boiler System network.

  10. Heating Load Calculation.

( MODULE 19 ) METHOD STATEMENTS
  1. Ducting.

  2. Equipment Installation.

  3. Refrigerant Piping.

  4. Testing & Commissioning.

  5. Chilled Water piping.

  6. Air & Water Balancing.

  7. Risk Assessment Report.

  8. MSDS – Material Safety data Sheets.

( MODULE 20 ) CASE STUDIDIES & SOFTWARES
  1. Case Studies.

  2. Sustainability & Decarbonization.

  3. Energy & Water conservation measures

  4. Theory & Practical Test.

  5. Live Project Study.

  6. Software Study.

  7. Daikin VRF Sofware.

  8. Equipment Selection.

  9. Line plans with Duct Sizing.

  10. ESP Calculation

( MODULE 21 ) PROFILE DEVELOPMENT
  1. Study of Job Profiles.

  2. HVAC Contracting.

  3. Service & Maintenance.

  4. Consultants.

  5. Project Coordinators.

  6. Production & Manufacturing.

  7. Testing & Balancing.

  8. HVAC Design profile briefing.

  9. CV Preparation guidance as per Market requirements.

HVAC Design & Drafting

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