AIRAH Professional Certificate in HVAC&R Fundamentals – Module 3: Psychrometric Theory and Processes

Psychrometric Theory and Processes
Module 4 in the AIRAH accredited Professional Certificate in HVAC&R Fundamentals (Air Systems Fundamentals)

This online course introduces the basics concepts of psychrometrics and human comfort. You will learn how it is applied in the design and application of air conditioning systems.

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About this course

This course will provide you with an awareness and knowledge of psychrometric theory. It covers the basics of the science of psychrometrics – specifically as it is applied to air conditioning processes and system design. A general knowledge of the technical terms and the quantities used is provided, in conjunction with explanation and analysis of the psychrometric chart.

Following completion of the course, you should be prepared and able to read and plot a psychrometric chart and apply it to a range of air conditioning processes.

The course also shows how the psychrometric chart can be used to show the correlation between various terms, and how to make simple calculations for an air conditioning system. The course tutorial provides you with the opportunity to use a psychrometric chart to depict the various processes involved in air conditioning and how to calculate the relevant quantities associated with those processes.

This course is an individual module in the Professional Certificate in HVAC&R Fundamentals as part of the Air Systems Fundamentals Certificate.

Topic highlights
  • Psychrometrics and human comfort
  • Air conditioning processes and factors
  • Applied psychrometrics
  • Psychrometric theory – The psychrometric chart and the properties of moist air
This module is designed for...

This Professional Certificate in HVAC&R Fundamentals and its eight modules is suitable for graduate mechanical engineers, technicians, maintenance personnel, and practitioners involved in the design and/or day-to-day operations of HVAC&R systems.


online delivery
Delivery method
online – start anytime

online delivery
Course length
5–8 hours

Following registration, participants will have six weeks to complete the module.

Why enrol?

Whether you’re a recent industry entrant or a seasoned professional, the Professional Certificate in HVAC&R Fundamentals and its individual units can upgrade your skills and industry knowledge, assisting with your career development.

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To register for this individual unit, please click the button below.

Register for Psychrometric Theory and Processes

Alternatively, register for the AIRAH accredited Professional Certificate in HVAC&R Fundamentals or the Air Systems Fundamentals Certificate (units 1–4). For more information on this online program, please click here.



Course fees

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Pricing includes GST.

AIRAH members save on registration fees for our programs and courses. Not a member yet? Join today to take advantage of a range of benefits for professionals and practitioners in HVAC&R building services. This includes access to essential industry resources (such as the AIRAH Technical Handbook, DA manuals, weekly industry news email, and Ecolibrium – AIRAH’s official journal), as well as free/discounted member rates for our division events, conferences, forums, webinars, and other offerings.

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Please email AIRAH at [email protected] for more information.