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In this course we will explore the function of various HVAC controls and why they are important in the HVAC system. You’ll get an overview of electronic thermostats, as well as temperature and safety controls. We’ll discuss the function of zoning...

A brief overview of residential A/C unit commissioning and operational checks. This course will provide an overview of the procedures used to evaluate the overall quality of a newly-installed A/C system, with emphasis on refrigerant piping...

In this series of simulations, we'll demonstrate the proper procedures and techniques for performing preventive maintenance on a rooftop HVAC unit. Now, these procedures are very important to maintain safe operation, proper efficiency, as well as...

A rooftop package unit combines both a traditional split AC system and heating system into a single cabinet. They can vary greatly in size, but typically have 2 stages of cooling and 2 stages of heating. They can be equipped with economizers as well...

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 explore industry standard efficiency ratings like SEER and HSPF. We identify the role AHRI plays within the HVAC industry and their impact on positive consumer experience by validating manufacturer equipment specifications.

This Site Assessment course demonstrates the value of an on-site inspection of a residential solar customer’s home in an immersive way. You will teleport around the home to complete a checklist, perform a detailed examination of the roof surfaces and...

Solar Basics 101 is a short introductory course designed to give everyone a broad snapshot of the solar industry and why it is exciting and important. We briefly explain the technology, industry applications, basic components and economics of solar...

This Solar Cell Technology course builds upon the Foundations of PV course, delving into more detail about the key component that makes up all solar photovoltaic power systems - the solar cell itself. We give a big picture of all the types of cell...

In Electrical Installation, you move on from the array to complete the assembly of an entire residential system. You begin with a blank wall where you mount the AC disconnect, a revenue grade meter, and a string inverter. Conduit sections are...