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According to the Bureau of Labor Statistics, slips, trips, and falls cause nearly 700 fatalities per year and many more injuries in construction. If you work in a trade, you’re going to encounter slip, trip, and fall hazards from time to time that...

A brief overview of residential HVAC Psychrometrics as it relates to the HVAC industry. This course is intended to provide a basic understanding of the principles of psychrometrics and various tools needed to make psychrometric calculations and...

In this course, we’re going to be discussing the different components, configurations, fuel types and cleaning systems of ranges. The course begins with a couple lessons on identifying the various components, covering the control panel, cooking...

Learn how electricians use blueprints, wiring diagrams, and schematics and apply them to real world applications. In this course you'll learn about the parts of a blueprint that an electrician uses, the difference between a wiring diagram and a...

The world of refrigeration is changing. Ongoing regulation of refrigerants based upon environmental impact is forcing manufacturers to seek out new solutions. In this course we discuss how refrigerants work and why certain past refrigerants were...

The Refrigeration System Accessories course dives in to the auxiliary mechanisms one may find in a system. Each of these mechanisms augments the performance of the system in some way, from filter dryers to crank case heaters. Explore each component’s...

This simulation based course walks you through step by step of how to diagnose and repair 13 common refrigerator problems that you may encounter on the job. You will work through various cases of malfunctioning refrigerators. This is a fun...

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, we’re going to be overviewing refrigerators. We’ll start off with a lesson where you’ll identify the different components of refrigerators and each of their purposes. After that we’ll take a deeper dive into the different...

Learn to troubleshoot common electrical and mechanical faults of a typical split residential Air Conditioning system. This course includes 3D interactive simulations that can be played on a computer or in virtual reality (VR).