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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...

Welding, brazing, and other work that can create sparks are a fire hazard. In this course, you will learn about the hazards, safety precautions, responsibilities, and emergency procedures associated with hot work.

Knowing the basics of how plumbing works is essential in order to understand the more complicated topics. In this course, you'll discover the two different plumbing systems, how they work, and how they're set up in a building. You'll also learn...

A multimeter is an important tool for troubleshooting and measuring the overall performance of an electrical circuit or machine. It is designed to combine several different electrical meters all into one tool. This course covers each of the common...

Learn about the ventilation parts of an HVAC system. This course covers the ductwork, fans, grilles, and registers used to create proper airflow in a house. This is a beginner's course that focuses on the materials that make up the ventilation system...

A well-maintained HVAC system ensures peak efficiency. Annual maintenance such as cleaning, voltage checks, condensate removal, and burner inspections are required to achieve maximum efficiency and avoid major issues. This course covers the...

An introduction to motors used in residential and commercial settings. Learn about shaded pole motors, split phase motors, and three phase motors. This course also includes a section on the popular permanent split capacitor motor or PSC.

Always work with a safety first mindset! In the HVAC field you will encounter high voltage electricity, combustible gases, metal fabrication, and ladders. This course covers HVAC best practices and procedures on fire safety, personal protective...

This course covers the things that aren't considered major parts but play a major role. It explores different kinds of thermostats, what a condensate pump does, common installation supplies, and the materials needed to braze line sets. This is a...

This is a beginner's course on what happens inside an HVAC unit. It begins with four major refrigeration parts: the compressor, condenser, metering device, and evaporator. Then it covers the major heating parts and what each one does. And, at the end...