Fabricating fiberglass ductboard is an important task - Especially if you live in a southern climate where it is used often. This video will show you what tools you will need to build a plenum and how to use these specialty tools.

In this instructional video, we will show you the proper way to use press tools and fittings.

Repairing a coil in lieu of replacing a coil is a task that all HVAC technicians need to do at some point in their career. Here, we will show you an example of repairing a condensing coil that had a screw drilled into it by accident.

Keeping the system clean is of utmost importance. This video will show you the tools you need and the process involved in purging a system with dry nitrogen while brazing in a system.

Performing leak repairs on ductless systems is a task any good HVAC technician needs to understand how to do. In this video, we will show you where the most common leaks are, how to repair the leak, evacuate the system, and how to properly charge a ductless system.

Ever wonder how to run a maintenance call on a ductless system properly? In this video, we will show you how to pull a blower wheel, clean an evaporator using a hose bib system, and check the system for proper operation without using gauges.

Measuring static pressure is a vital task that must be performed in order to understand how the system is operating. It is also equally important to understand if there is a problem with the ductwork. This video will demonstrate how this is done.

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In this video, we will show you how to use a multimeter to check resistance on an electrical circuit in the field, which is a vital task for diagnosing equipment problems.

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Here, we will demonstrate how to join black iron gas pipe, and how to perform a gas leak search on a gas heating system in the field.

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Knowing how to check the current on system components is vital to an HVAC service technician. In this video, we will demonstrate how this is done.

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It is imperative that you know how to safely and properly measure voltage on a system in the field. In this video, we will show you how to properly measure voltage on a piece of equipment.

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Air is the enemy in a boiler system and needs to be removed from the system for proper operation. In this video, you will learn how to correctly purge air from a hydronic heating system using standard hoses and boiler drains.

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This video will demonstrate the proper way to diagnose and/or replace a pressure switch on a gas-burning appliance in the field.

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Maintaining burners on a gas furnace is a fundamental part of performing maintenance. In this video, we will show you the different types of burners, and how to maintain them in a gas furnace.

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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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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.

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Beyond the troubleshooting techniques shown in this video, you will also learn how to select and install a universal control board for a gas furnace.

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This is a task you will do often with a mini-split or ductless system. In this video, we will show you the correct way to make flared copper joints.

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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.

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We will show you a step-by-step procedure of properly troubleshooting and replacing a PSC blower motor in a standard gas furnace. Troubleshooting ECM motors are in a separate video.

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

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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.

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

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In this video, we will show you the basics of how to recover refrigerant from a system, pressure test it when a repair or installation is performed, and evacuate it to a proper vacuum.

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