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In this Solar Inverter Technology course, we look at some common characteristics and safety behaviors of inverters, as well as how they are becoming more interoperable with the utility by defining the new California Rule 21 specifications. Finally we...

In this Solar Module Design course, we examine the construction elements of a standard module, and then explore alternatives to this 40 year old design. We look at alternative module constructions, and explore how modules can be integrated into...

The Solar System Troubleshooting course you will learn to work backwards from a faulted electrical condition to discover the root cause of your electrical problem. Your primary tools are a digital multimeter and megohmmeter, plus your powers of...

A brief overview of Solid State Electronics as it relates to the residential HVAC industry. In this course we will explore the application and usage of various solid state electronic devices and how they impact circuits in which they are used. This...

In the Symbols and Wiring course you will translate everything you’ve learned about HVACR into symbols on a diagram. From relays and contactors, to safety switches and loads, you will understand the reasoning behind each symbolic representation...

In this simulation-based course, you'll discover how to install a tankless water heater in the basement of a residential home. This course will walk you through the step-by-step process of how to install a tanked water heater, water piping, gas...

In this course we will begin to study some of the science that supports mechanical refrigeration systems: ranging from the effects of temperature on molecular motion, to the different states of refrigerant within a system. This course covers all the...

This IV Curves course covers in depth everything you need to know about the IV curve - the most fundamental technical graph in the PV field. The lessons begin with a simple explanation of all the key values that you can get from the curve, how the...

In the Thermostats and Heating Controls lesson you will learn about the different types of thermostats, how they work and their applications, as well as the standard for wiring color codes in thermostats. You will discover the many types of controls...

In this simulation, we'll learn the fundamentals of three-way and four-way switches. We'll cover the mechanics and inner workings of a switch, the code and safety standards that apply, as well as some common configurations that you'll likely...