HVAC (Heating, Ventilation, and Air Conditioning) System Design

1. Air Distribution Design
   1. Ductwork Design Fundamentals
      1. Duct System Layouts
         1. Supply Air Distribution
            1. Radial Systems
            2. Trunk and Branch Systems
            3. Loop Perimeter Systems
            4. Plenum Systems
         2. Return Air Systems
         3. Exhaust Air Systems
      2. Duct Materials and Construction
         1. Sheet Metal Ducts
            1. Galvanized Steel
            2. Stainless Steel
            3. Aluminum
         2. Fiberglass Duct Board
         3. Flexible Ducts
         4. Fabric Ducts
         5. Plastic and PVC Ducts
      3. Duct Shapes and Configurations
         1. Round Ducts
         2. Rectangular Ducts
         3. Oval and Flat Oval Ducts
         4. Equivalent Diameter Calculations
   2. Duct Sizing and Design Methods
      1. Sizing Methodologies
         1. Equal Friction Method
         2. Static Regain Method
         3. Velocity Reduction Method
         4. T-Method for Balancing
      2. Design Tools
         1. Ductulator Applications
         2. Friction Charts and Tables
         3. Computer-Aided Design Software
      3. Pressure Loss Calculations
         1. Friction Losses
         2. Dynamic Losses
         3. Fitting Loss Coefficients
         4. Total System Pressure Drop
   3. Duct Installation Considerations
      1. Duct Insulation
         1. Internal Insulation
         2. External Insulation
         3. Vapor Barrier Requirements
      2. Air Leakage Control
         1. Duct Sealing Methods
         2. Leakage Testing
         3. Duct Leakage Classes
      3. Support and Hanger Systems
      4. Fire and Smoke Dampers
   4. Air Distribution Devices
      1. Supply Air Outlets
         1. Diffusers
            1. Ceiling Diffusers
            2. Sidewall Diffusers
            3. Floor Diffusers
         2. Grilles and Registers
         3. Linear Slot Diffusers
         4. Displacement Ventilation Outlets
      2. Return and Exhaust Inlets
         1. Return Air Grilles
         2. Exhaust Grilles and Louvers
      3. Outlet Selection Criteria
         1. Throw and Drop Characteristics
         2. Noise Considerations
         3. Pressure Drop Requirements
   5. Air Distribution Patterns
      1. Mixing Ventilation
      2. Displacement Ventilation
      3. Personal Ventilation Systems
      4. Underfloor Air Distribution
      5. Task-Ambient Conditioning
   6. System Balancing and Commissioning
      1. Air Balancing Procedures
         1. Proportional Balancing
         2. Total System Balancing
      2. Balancing Equipment
         1. Balancing Dampers
         2. Variable Air Volume Boxes
         3. Constant Air Volume Boxes
      3. Testing and Measurement
         1. Airflow Measurement Techniques
         2. Pressure Measurements
         3. Temperature and Humidity Verification
      4. Documentation and Reporting