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Introduction to Mechanical Code is an overview of the International Mechanical Code (IMC) requirements for residential HVAC equipment installation. It focuses on plumbing, electrical and various other codes and industry standards used to properly and...

In this course, we’ll start off with a couple lessons that identify the various components of the appliances before we delve into the different configurations available and their actual operation. Washers and dryers may seem like simple appliances...

This course is an introduction to cold climate heat pumps and the advances in technology made to these units. In this course, you will learn the various types of heat pumps that are used in cold climates and the requirements a unit must meet in order...

An Air Handling Unit, or AHU, plays an important role in a commercial HVAC system. In this course, we cover the foundational information you would need to know when working with AHUs. Specifically, we will talk about what AHUs are, how they operate...

An electrical plan for a room or house can look like a super complicated maze of lines and symbols! So in this course, we break it all down for you. An electrical plan shows single lines for all the circuits, and symbols for receptacles, switches...

A pump is a device for lifting, transferring, or moving fluids by suction or pressure from one position to another. This course covers how pumps are used to move liquid--primarily water--through hydronic HVAC systems. You will learn the basic...

In this course, you will learn about parallel rack refrigeration systems. These are one of the most complex types of commercial refrigeration systems. You’ll learn about the application of large-scale parallel rack systems and what makes them a good...

The Introduction to Refrigeration Systems course takes all the physics you’ve learned so far and applies it to a simple refrigeration and air conditioning system. System diagrams and the Baseball Diamond info graphic will help internalize the core...

In this course, we’re going to be exploring the 2020 version of NFPA 70, National Electrical Code®. We will focus on a broad understanding of the material, so you can access and reference the codebook more easily when needed. We will cover the most...

In this course, you'll learn the fundamentals of commercial walk-in freezers. You'll identify the typical application of walk-ins in food establishments, as well as their typical customers, goals, and service delivery models. You’ll classify the...