HVAC - Guide to Air Handling Systems Design

Training overview
Professional Course
Self-paced Online
7 hours
From 196 USD
Start dates
196 USD
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Course description

In HVAC - Guide to Air Handling Systems Design, you'll learn ...

  • The various components that are used in an Air Handling Unit (AHU)
  • How to size an AHU
  • Relative merits of the various air handling design configurations
  • Air handling system instrumentation, controls and monitoring
  • AHU energy recovery methods


Credit: 7 PDH

Length: 116 pages

The term Air Handling System refers to the equipment used to condition air to an acceptable level for distribution within a building. An Air Handling System utilizes various types of components such as fans (blowers), cooling & heating coils, heater compartments, sound attenuators, filter sections, mixing boxes, or combination mixing box filter section with dampers all arranged in a specific order. Within each basic component there are different types and styles, each with their own operating characteristics and efficiencies, methods and materials of construction, and costs - all of which greatly affect the initial design and resulting operating economics of the system.

The air handling unit, often abbreviated as “AHU”, is a very important component of a central air conditioning system. It is responsible for drawing return air from the indoor spaces, mixing it with outdoor air, and conditioning it to the acceptable level for distribution within the building.

The modular packaged equipment offered by various manufacturers is pretty standard. HVAC designers can simply spec the performance requirements and pick and choose from a wide array of standard building blocks to assemble a unit that meets their specific project needs. But a large majority of air handlers are custom built or tailor-made, requiring the HVAC designer to apply fundament psychrometric processes to precisely estimate the capacity and airflow requirements, select the fan, coil and other auxiliaries and integrate these properly with the building control system.

This 7-hr course outlines the primary functions of various sub-items of air handling units and discusses the key design considerations for estimating the capacity and airflow rate.

This course is aimed at Mechanical and HVAC engineers, Building designers, Operational & Maintenance Personnel, Project engineers and any other professionals who are interested in learning more about Air Handling Systems.

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Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 35 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • The function of an air handling unit and the factors that affect its sizing
  • How air-conditioning processes are depicted on the psychrometic chart
  • The difference between room sensible and grand sensible heat factor
  • How airflow rate and cooling coil load are determined
  • The five basic AHU arrangements
  • The different types and applications of the fans used in air handling applications
  • The different types of cooling and heating coils
  • Types and applications of the filters used in air handling applications
  • Types of humidifiers and dehumidifiers
  • Different types of control valves and their application
  • Air handling unit controls and the sequence of operation for a critical facility
  • The energy conservation features in designing air handling systems


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7915 FM 1960 West, Suite 130
77070 Houston Texas

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