HVAC Training (Air Handling Units, Chillers and Heat Pumps Theory & Practice) 

Date: December 2020
Location: TBC
Duration: 2-day
Cost: €750 per delegate


Course Objective

On completion of this course candidates will be able to: 

  • Demonstrate an updated knowledge of the Vapour compression cycle.
  • Apply their knowledge of HVAC to understand the design principals behind the Air Handling Units on site.
  • Understand the site health and safety procedures for operating and maintaining the site AHU’s.
  • Understand and create S.O.P’s for an AHU.
  • Carry out basic maintenance procedures on the AHU’s.
  • Understand the basic operation of a Chiller.
  • Demonstrate an understanding of the psychrometric processes taking place.
  • Understand Cleanroom classifications.
  • Understand room pressure regime used in cleanrooms. 


Unit One

Chillers, Heat Pumps and Installation Best Practices

  • Personal safety requirements and first aid requirements when working on refrigeration and vapour compression systems.
  • Understand the Pressure Temperature Relationship.
  • Differentiate between Latent Heat/Sensible Heat.
  • Understanding the principal of operation of the vapour compression system and the changes the refrigerant goes through within the system.
  • Understand fractionation, glide and demonstrate how to read refrigerant gauges and interpreting the information gained.
  • Explain in simple terms with the aid of practical demonstrations the basic principles of refrigeration and taking readings from the system.
  • Operation of Direct Expansion Chillers.
  • Operation of Liquid Overfeed Chillers.
  • Refrigerant to water Evaporators.
  • Chilled water system operating and safety devices.
  • Capacity control.
  • Heat pump theory and operation.
  • Co-efficient of performance calculations.
  • Heat Pump installation and commissioning Techniques.


Unit Two

Psychrometrics and the Properties of Air

  • Psychrometric Definitions.
  • The importance of Humidity control in the Electronics industry.
  • Basic Psychrometric calculations.
  • Humidification and Dehumidification.
  • Advanced Psychrometric calculations and mixed air calculations.
  • Tracking the processes taking place in an AHU.
  • Measuring air flows.
  • Balancing AHU’s.


Unit Three

Air Handling Units, operation and maintenance 

  • Processes taking place within the AHU.
  • Air Filtration basics.
  • Fan design.
  • Cooling.
  • Heating.
  • Humidification/dehumidification.
  • Factors associated with air cleanliness.
  • Purpose of Air Filtration.
  • Types of filters.
  • Filter Classification.
  • HEPA filter integrity testing.
  • Pressure drop across filters.
  • Magnahelic gauges.
  • Air Pressure differential switches.


Unit Four

Creating a suitable Standard Operating Procedure for an Air Handling Unit 

  • O.P. basics.
  • Using SOP’s to improve performance.
  • Developing a safe maintenance SOP for a typical AHU.
  • Course review.


Participant Profile

National Vocational Certificate Level 1, Leaving Certificate or equivalent qualifications and/or relevant work experiences in an associated industry position. Participants need not necessarily come from a craft background in mechanical or electrical maintenance.


Trainer Profile

The trainer has worked extensively in the Refrigeration & Air-Conditioning sector. During his career he has worked as a distributor, a Technical Support Manager for an Air conditioning manufacturer and as a consultant on a number of large projects. He also provides training in Ireland and the UK as well as providing Consultancy on the Irish AC Market to a number of UK Clients. He is a member of the International Institute of Refrigeration (an Intergovernmental advisory body) and The International Institute of Ammonia Refrigeration.


For further information and to book, please email