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Learn how to locate a leak by using soap bubbles and an electronic leak detector on a residential system. After repairing the leak evacuate the unit and then use the subcooling method to charge it.

This course simulates maintenance scenarios in three contexts in an apartment environment: a rental office, a fitness center, and a parking lot. You will learn to diagnose and correct problems with fluorescent and High Intensity Discharge (HID)...

This is an assessment simulation, where you'll use the steps and skills you've learned and practiced on the Interplay platform to determine the fault and fix each scenario. Use the bottom tool bar to navigate around the environment, inspect...

This course is a primer on lockout/tagout procedures. The course begins with the definition and purpose of lockout/tagout procedures, followed by employee roles during lockout/tagout. A discussion of hazardous energies is included, specifically...

This course is designed to increase learners’ awareness of the lockout/tagout energy control procedure. Main topics of instruction include an outline of regulatory lockout/tagout procedures, applicable definitions and terminology, and an overview of...

This course will cover the impact low global warming potential refrigerants are having on the HVAC landscape. Learners will explore the history of refrigerants and come to understand their chemical composition and safety characteristics. They will...

This Make Ready Course will provide you with the structure and procedures to perform a make ready inspection. The course begins with an overview of the clipboard and important information about the apartment itself. Next, you will see a video...

In this course, we will explore how Manual D protocols are used for calculating and designing HVAC systems in residential buildings. Manual D is the industry standard protocol for calculating the size required for return and supply ducts and...

In this course we will explore how Manual J protocols are used for calculating and designing HVAC systems in residential buildings. Manual J is the industry standard protocol for calculating heating and cooling loads. You will learn how HVAC...

In this course you’ll learn the fundamental math skills used in the electrical field. It covers symbols, units, followed by transposing formulas and solving equations using Ohm’s Law and Kirchhoff’s Law. You’ll also learn how geometry and...