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 it illustrates what happens inside a heating pump during the heating and cooling mode.

This course is an introduction to common HVAC systems that heat or cool a structure. It explains how specific systems work including heat pumps, mini-splits, packaged units, electric furnaces, and window air conditioning units. It also covers the differences between some of these systems and their efficiency in certain climates. This course is great for someone who's new to HVAC and wants to learn more about different HVAC systems.

Wonder what it's like to be an HVAC technician? In this course you'll explore what an HVAC technician does, the certifications they have to obtain, and the conditions they have to put up with. Then you get to be an HVAC technician for a day with a 3D simulation featuring a morning, afternoon, and evening service call.

Ever wondered what the process is for installing interior trim? Well, this is the course for you! The aim of this course is to show you were installing trim fits into the overall construction process. We'll explore safety tips, the materials and tools used, cutting methods and terms followed by the interior finish and trim install process. Then you'll move on to the exciting part which is the simulation that will give you a chance install door casing, window casing and the baseboard. Enjoy the course!

In this course you'll learn about VCT tile and sheet vinyl flooring and the tools you'll need to install them. Then you'll get to install VCT tile in the kitchen and sheet vinyl in the bathroom.

Learn how to install horizontal drywall panels and then tape and mud the seam. First you'll learn about the tools and materials you'll need for drywall construction and how to stay safe on the job. Then you'll learn about the techniques used for installing drywall panels horizontally on a wall. And finally, you'll get to install drywall in a house in the simulation.

Chillers can be air or water cooled and generate chilled water which is used to provide air conditioning in buildings. They are typically large in size and located in basements or rooftops. In this course you will learn about water chillers, chiller compressors, condensers, and absorption chillers.

The world of commercial and light commercial HVAC system includes a wide array of equipment types, applications, and accessories. In this course we will provide an overview of packaged units, split systems, ductless, and PTAC units. Within each lesson you will learn the essentials of system operation, accessories used in those systems, and where those systems are used in the real world.

In this Introduction to Electrical Code course, you will learn about the National Electrical Code, which is a set of guidelines that covers the best ways to do electrical work in residential and commercial settings. This course focuses on residential guidelines, beginning by explaining where to place wall receptacles, ground fault protection as well as AFCI retrofitting. You will then go through the specific requirements for each room, including the living room, laundry room and garage. Finally, you will learn how the code varies across the country as well as how to navigate these differences.

Intro to Fire Safety and Portable Fire Extinguishers" is designed to increase learners’ awareness of the chemistry behind creating and eliminating a fire, the different classifications of fire, the most common fire hazards present within the workplace, best practices for fire prevention, the key components of a portable fire suppression equipment, how to perform a fire extinguisher inspection, and guidelines for evacuating to safety.