Introduction

Welcome to Lesson 9!

Lesson 9 Objectives

Upon completing this lesson, you should be able to:

• explain the relationship between humidity and temperature;
• describe how an air conditioner works;
• describe different types of air conditioning systems;
• calculate the monetary savings when the efficiency of an air conditioner is improved.

Questions?

If you have any questions, please post them to the General Course Questions forum in located in the Discussions tab in Canvas. I will check that discussion forum daily to respond. While you are visiting the discussion board, feel free to post your own responses to questions posted by others - this way, you might help a classmate!