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The Introduction to Refrigeration Systems course takes all the physics you’ve learned so far and applies it to a simple refrigeration and air conditioning system. System diagrams and the Baseball Diamond info graphic will help internalize the core...

In this course, we’re going to be exploring the 2020 version of NFPA 70, National Electrical Code®. We will focus on a broad understanding of the material, so you can access and reference the codebook more easily when needed. We will cover the most...

In this course, you'll learn the fundamentals of commercial walk-in freezers. You'll identify the typical application of walk-ins in food establishments, as well as their typical customers, goals, and service delivery models. You’ll classify the...

This course introduces you to the components, setup, and function of gas, electric, and tankless water heaters. You'll start by learning about the anatomy of these three types of water heaters, and how to install them. It will conclude with an...

Repairing a kitchen sink is one of the most common calls you'll receive. This simulation based course walks you through four common problems, guiding you step by step on how to troubleshoot and repair each one. This course covers drain and water...

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...

In this course, you will gain a beginner's level understanding of kitchen ventilation. The course starts off with a couple lessons that identify the various configurations, including styles and location. After that you’ll learn about the differences...

In this course, you will learn about the different types of ladders and their different applications, how to safely use ladders as well as general safe practices to follow on the job. The lessons will cover how to select the appropriate ladder for...

If you have an interest in learning about landscaping, then this course is for you! This course will introduce learners to some basics of landscaping. First you will learn how landscaping fits into the overall construction process, followed by some...

The Leak Check and Evacuation course presents three methods for checking a system for leaks and the processes to follow. Given the advantages and disadvantages of each method, you will follow through a step-by-step illustration of each. As you're...