This is the 2nd class in an introduction the world of an HVAC Technician. This class introduces you to the most relevant motors used in the HVAC industry. We will spend more time with controls and wiring diagrams. We will also show you how to balance an HRV and how it’s wired to the furnace. You will learn all about the Combustion Analyzer, what readings you need, and how to use it to determine if you have a failed heat exchanger in a condensing furnace.