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Economizers in Air Handling Systems

COURSE NO: M02-014
Economizers in Air Handling Systems
Course Highlights

This online engineering PDH course describes how air-side economizers are used in air handlers serving commercial buildings.  It also discusses when and when not to use economizers, how economizers are controlled, how economizers can save or waste energy, what to look for if economizers are not working properly and other issues related to economizer applications.


An air-side economizer is an HVAC control system that can provide significant cooling energy savings when much as they should and some waste a lot of energy. Economizers save energy by using outside air to cool buildings. Better design, controls, installation, monitoring, and maintenance can help economizers meet their potential.


This 2 PDH online course is applicable to mechanical engineers who design HVAC systems for buildings where the climate is appropriate for air-side economizers.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • What are economizers and how do they work
  • Specifying economizers
  • Principles of operation of economizers
  • Definition of terms related to economizers
  • Control of economizers
  • When to and not to use economizers
  • How much energy economizers can save or waste
Course Document

In this professional engineering CEU course, you need to review the material contained in the Energy Design Resources, Design Brief, Economizers publication.

To view, print and study the course document, please click on the following link(s):
Economizers in Air Handling Systems (840 KB)
Course Quiz
Once you complete your course, you need to take a multiple-choice quiz consisting of fifteen (15) questions to earn 2 PDH credits.  The quiz will be based on this publication.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: