Certificate in HVAC Technician (ICCE/153)

Module 1 – Overview of HVAC Systems Definition Heating Generation Distribution Dangers Ventilation Mechanical or forced ventilation Natural ventilation Air conditioning Refrigeration cycle Free cooling Dehumidification Module 2 – Types of HVAC Systems Split systems Hybrid systems Duct-free systems Packaged heating and air systems Module 3 – Components of an HVAC System Heat exchanger Blower motor Combustion chamber Condenser coil or compressor Evaporator coil Thermostat Module 4 – Benefits of Installing HVAC Systems Lower electricity bills Better temperature variability Cleaner air Remote access Module 5 – Symptoms of HVAC System Issues Odours or poor indoor air quality Strange, unfamiliar sounds Inconsistent airflow/uneven heating and cooling Loss of system efficiency Unexpected rise in heating and cooling costs Module 6 – Causes of HVAC System Issues Lack of maintenance Dirty or clogged filters Leaking refrigerant Thermostat malfunctions Improvement air balance Sluggish fan Dirty coils Outdated design Module 7 – Aspects of Energy Efficiency Heating energy Ground source heat pump Ventilation energy recovery Air conditioning energy Module 8 – Maintenance Checklist for HVAC Systems Cleaning or replacement of filters Cleaning of evaporator and condenser coils Cleaning of drain lines Clearing of drain pans Replacement of worn pulleys and belts Inspection of ducts for moulds, dust, debris Observation of humidity levels