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In this course, you’re going to learn about the three types of HVAC motors available, PSC, variable speed, and constant torque. Each lesson will discuss how the motor operates, what affects its performance, factors to consider when replacing one...

In HVAC, a big part of the job is handling repairs, which often involves installing a new part. This course takes a look at some of the most common parts you encounter when working with these systems. First we’ll discuss capacitors, where you’ll...

In this course you will complete various simulations in which you’ll learn different methods for measuring airflow in a blower. You will look at the flow plate procedure, how to determine airflow using the static pressure differential, how to...

This course is all about a really fundamental and useful concept in electrical work – the ampacity of conductors—that is, the maximum amount of current that a conductor can carry on a continuous basis without getting dangerously hot. In the lessons...

In Array Assembly Installation, you get to make measurements, manipulate tools and assemble parts just like you would on an actual residential roof. You will install a solar array using a rail-based mounting system over composition shingle roofing...

By the end of this course learners will recognize the common causes of back injury and how best to avoid them. They will understand the importance of physical fitness for the back and will review the characteristics of healthy posture and lifting...

Learn about the basic tools of an HVAC technician including multimeter, gauges, wrenches, pipe benders and wire cutters.

There are many different tools required for the plumber, from daily jobs to a veteran challenge. This course covers the basic tools you'll use most. It goes through various different categories, explaining each tool's application and helpful tips...

So, you want to be an electrician? In this course you'll learn how you can start your career in the electrical field. It covers the settings and career paths you can take, the education and training you'll need, and gets you started with safety...

This course will provide a basic understanding of bloodborne pathogens, how they are most commonly transmitted, methods of prevention, and steps to take if an exposure event occurs. It is intended to provide the learner with suitable means to protect...