Gas Furnaces: Types, History, Components, and Operation

  • Author: AC Service Tech
  • Level: Beginner
  • Study time: 3 hours
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This in-depth course explains how gas furnaces operate, the types of gas furnaces, efficiencies, how components have changed over time and how this alters the function units, how natural gas and propane differ, as well as common practices.
  • Breakdown: 5 Sections
  • Video time: 2+ Hours
  • Knowledge Checks:  31

Low Indoor Airflow Troubles & Duct Loss

  • Who: New Technicians
  • Level: Beginner
  • Study time: 35 minutes
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This mini-course offers a comprehensive introduction to the essential terminology and core components of residential and light commercial HVAC systems.

This beginner level training includes information on gas furnaces, mini splits, air handlers, condensers, and heat pumps!

You'll learn to identify key components like indoor and outdoor coils, blower motors, and plenums, and refrigerant lines.
  • Videos: 4 Sections
  • Video time: 35 minutes
  • Knowledge Checks:  13

Knowing the parts and the sequence of operation of a gas furnace allows technicians to more accurately and effectively troubleshoot these systems!

Remember that the parts in gas furnaces changed over the years based on their efficiency and application so knowing the history of these furnaces is a big deal!

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