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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
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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...
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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
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Running a New Thermostat Wire
There are a couple of different methods of running or replacing a thermostat wire in a customer's home. In this video, we will show you more than one way to get this job done.
Learn more about NexTech Academy's HVAC curriculum at https://www.nextechacademy.com
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Troubleshooting ECM Motors
Testing ECM motors are quite different than testing a standard PSC motor. In this video, we will show you how to correctly test these motors along with tools that will aid in this diagnostic procedure.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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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.
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Troubleshooting and Replacing an Electric Heating Element
In this important video, you will see the steps to take when troubleshooting and replacing an electrical heating element.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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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
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How to Clean Coils
In this important video, we will show you the steps necessary to clean coils on an air conditioning system to keep it running in tip-top shape. It is extremely important that coils have the sufficient airflow they need for the system to operate properly.
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Troubleshooting Time and Temperature Defrost Boards
Time and temperature defrost boards are one of the types of defrost controls you will see on a heat pump system in the field. In this video, we will go over how to correctly troubleshoot these types of defrost systems on heat pumps.
Interested in learning more about NexTech Academy? Visit https:...
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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
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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
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How to Test Defrost Operation
In this video, we will show you how to properly test the defrost operation on a heat pump system in order to verify proper operation.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Troubleshooting a PSC Compressor
In this video, we will demonstrate how to properly inspect, diagnose, and troubleshoot a PSC compressor on a system in the field. On average, most compressors that get turned in for warranty are not even bad. It is extremely important to diagnose compressors properly. In this video, we will show...
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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
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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
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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
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Testing the Windings on a Blower Motor or Fan Motor
Understanding how to test blower motors correctly is critical. In this video, we will show you a step-by-step process of how to test the windings of a blower motor.
Learn more about NexTech Academy's HVAC curriculum at https://www.nextechacademy.com
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Metering Device Testing and Replacement
This video will demonstrate steps on how to test thermal expansion valves on evaporator coils for air conditioning equipment in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Relay Types and Operation
HVAC equipment can have many different types of relays to turn different components on and off. In this video, we will show you the different types of relays found on equipment and how they operate.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Applying Acid Neutralizer and Flush
This video will show you how to properly neutralize the acid in a refrigeration system and flush the system with an r-11 flush kit. This procedure should be done any time a system has acid in it, or when a compressor has been replaced due to a burnout.
Interested in learning more about NexTech A...
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How to Prepare and Braze Copper
In this video, we will demonstrate how to properly braze copper pipe and fittings which is much different than soldering. We will discuss purging with Nitrogen in detail in a separate video.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Troubleshooting A Compressor
Most compressors turned in for warranty are not even bad. This video shows you how to properly diagnose a compressor in the field to see if it does in fact require replacement.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
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Replacing a Service Valve
After watching this you can successfully replace a faulty or leaking service valve on an air conditioner or heat pump.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
