Energy Academy
Level 2: System Deep Dives/HVAC Systems
Level 213 lessons · 138 min

HVAC Systems

Heating, ventilation and cooling: system types, controls, setpoints, free cooling and demand-based operation.

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01HVAC Fundamentals

  1. ▶Comfort Criteria & PsychrometricsTemperature, humidity, air movement, and the comfort envelope.10 min
  2. ▶System Types & ConfigurationsAll-air, air-water, heat pump, and multi-zone systems.10 min
  3. ▶Key Components & OperationFans, coils, dampers, valves, and controls — how they work together.10 min

02Heating & Cooling Loads

  1. ▶Sensible vs Latent LoadsHeating/cooling the air vs dehumidifying.9 min
  2. ▶Sources of Thermal LoadEnvelope, occupancy, equipment, solar gain, and ventilation.10 min
  3. ▶Free Cooling & Heat RecoveryEconomisers, heat recovery ventilation, and thermal wheels.10 min

03Controls & Operational Strategy

  1. ▶Control Loops & FeedbackTemperature, humidity, pressure, and sequence control.10 min
  2. ▶Setpoints, Scheduling & OccupancyReset strategies, occupancy-based control, and night setback.9 min
  3. ▶VAV Box Control & Duct Static PressureHow VAV systems modulate to meet zone demands.9 min

04Assessment & Optimization

  1. ▶HVAC Auditing & CommissioningMeasuring performance, identifying drift, and balancing.10 min
  2. ▶Common Faults & FailuresStuck dampers, failed sensors, thermostat drift, and control errors.9 min
  3. ▶Capstone: HVAC Diagnostics & OptimisationHands-on: quantify the waste (fan/pump affinity, COP, free cooling, ventilation) then diagnose and fix eight real HVAC call-outs.25 min
  4. ▶HVAC Systems CheckQuiz on loads, controls, free cooling, and optimization.7 min