HVAC System Maintenance

HVAC System Maintenance

Common maintenance tasks are featured in this playlist. Not only will you gain task-related best practices, you will learn more about why maintenance processes provide value to the homeowner.

Learn more about NexTech Academy's HVAC curriculum at https://www.nextechacademy.com

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HVAC System Maintenance
  • Testing and Replacing a Power Switch

    In this video, we will show you how to correctly test and replace a 120-volt power switch for a gas furnace.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Troubleshooting Ignitors and Flame Sensors

    In this technical video, we will show you how to properly diagnose and troubleshoot common problems with igniters and flame sensors on gas-fired equipment.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Checking and Setting Incoming and Manifold Gas Pressure

    Checking incoming gas pressure along with checking the manifold gas pressure on a gas-burning appliance is a task all HVAC technicians need to know. We will be discussing this in detail in this video.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Thermostat Troubleshooting

    Here, we will discuss how to properly troubleshoot and replace a thermostat on a system in the field.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Troubleshooting An Induced Draft Motor

    Here, we will show you how to correctly diagnose and replace an induced draft motor on a standard furnace. These same principles are used on induced draft boiler systems as well.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Relays, Sequencers and Solenoids

    In this video, we will be discussing the different troubleshooting methods for diagnosing problems with relays, sequencers, and solenoid valves.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Contactor Types, Testing and Replacement

    Here, we will discuss the different contactor types you will run across in the field, along with how to test and replace these on air conditioners and heat pumps.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Testing and Replacing a Run Capacitor

    Run capacitors and PSC blower motors are still a very common motor to run across as an HVAC service technician. In this video, you'll see a step-by-step process of how to accurately test and replace run capacitors on PSC blower motors.

  • Installing and Repairing Flexible Duct

    Here, we will show you how to install and repair flexible ductwork on a system in the field.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Replacing a Thermostat

    This is a task that you will do very often in the residential HVAC industry. In this video, we will explain how to perform this very common task.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Troubleshooting High Limit Controls, and Flame roll-out Switches

    This video goes over the troubleshooting processes for limit controls and roll-out switches on a gas furnace.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Troubleshooting a Heat Exchanger

    Heat exchanger inspection is a task that should be done on every gas-burning appliance to ensure the safety of not only the heat exchanger but the customer. In this video, we will show you the steps needed to perform an inspection on one.

    Learn more about NexTech Academy's HVAC curriculum at htt...

  • How to Clean a Blower Assembly

    Cleaning blower assemblies is a task that many service and maintenance technicians will do often throughout their careers. In this video, best practices are shown of how to do this.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Attaching Gauges and Measuring Superheat and Subcooling

    In this important video, we are going to show you the necessary steps of how to properly attach gauges and measure superheat and subcooling on a system in the field. This will allow you to know if a system in the field is undercharged, overcharged, or charged correctly.

    Interested in learning mo...

  • How to Cut, Strip, and Crimp Wire

    There are correct and incorrect methods of cutting, stripping, and crimping electrical wiring. In this video, we will demonstrate how to do this properly and safely.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • The Electric Heating Element

    We will walk you through an introduction to the electric heating element and the components that make it up.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Testing Auxiliary and Emergency Operation of Supplemental Heat

    Are you ready to learn about testing the emergency heat / supplemental heat function on a heat pump system? We will cover just that in this technical video on heat pumps.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Ignitor Types Operation and Maintenance

    This video guides you through the various types of igniters. You will also learn how to perform general maintenance on them.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • The Blower Assembly

    In this video, we will show you all of the major components that make up the blower assembly in a typical gas furnace.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Normal, Under, and Over-Charged Systems

    We will show you what a system looks like when it has normal, overcharge and an undercharge of refrigerant.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • Checking Heat Pump Refrigerant Charge in Heating Mode

    In this video, we will demonstrate how to effectively check the refrigerant charge on a heat pump system that is operating in the heating mode.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • How to Clean a Condensate Pump

    You will learn what the manufacturer requires to perform general maintenance on a condensate pump on a system in the field.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com

  • How To Inspect a Heat Exchanger

    This video showcases the proper way to inspect a primary and secondary heat exchanger on a condensing furnace in the field. This method can also be done on non-condensing furnaces as well. This is an important part of any heating system inspection and/or service calls as well.

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  • Flame Sensor Operation and Maintenance

    In this video, you will learn how flame sensors operate, and how to maintain them in a gas heating system.

    Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com