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.

Heat pumps use more than one expansion valve due to the fact that the refrigerant can flow in both directions. In this video, we will show you how one of these popular valves is replaced on the outdoor unit as opposed to the typical replacement on an indoor coil.

In this video, we will demonstrate how to pull the quickest, deepest vacuum using modern technology, and how to use high-performance vacuum kits designed to get this job done quickly and efficiently.

This video will show you the in's and out's of adding and removing refrigerant to a cooling system in the field. We will discuss heat pump charging in a separate video.

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In this video, you will learn how to accurately test and replace a transformer on an operating HVAC system.

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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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Often, a customer's condenser coil may be damaged by hail, ruined by corrosion, and cannot be combed out. Or, it could have a refrigerant leak, and be under warranty. In these cases, the coil itself on the outdoor unit needs to be replaced. This video will describe how this process 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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In this instructional video, we will show you how to troubleshoot problems in the gas piping going to a gas furnace. Everything from inlet gas pressure, gas regulators, manifold pressure, and gas piping problems.

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Many times you can have a compressor that has burned out terminals on it. This is usually caused by a loose connection. In this video, we will show you how to install a compressor terminal repair kit to get the system back up and running.

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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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We will introduce you to the surge protector, as well as an industry-proven method of how to install them on a system. Depending on your region, these can be a great add-on to any maintenance or service call.

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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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Adding glycol to a boiler system is necessary for cold climates where the possibility of frozen boiler lines happens or could happen. In this instructional video, we will show you how to add glycol to an existing system in the field and show you which tools you will need to perform this task.

Installing glycol feeders are necessary in cold climates where the possibility of frozen boiler lines happens or could happen. In this instructional video, we will show you how to install these in the field.

In this video, you will learn how to install and set up an in-floor heating manifold for a radiant heating system connected to a boiler.

In this video, we will show you how to properly replace a failed boiler expansion tank on a system in the field. This is an important task for any boiler technician in the field. We will also give tips on how to make this process easier.

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Let's focus on the different types of boiler expansion tanks you will see in a residential setting. We will also cover the process of testing these in the field.

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In this video, we will show you in detail how to diagnose, troubleshoot, and replace zone valves on a boiler system in the field.

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You will be shown how to properly test a zone valve for operation on a hydronic heating system in the field. These should be inspected any time you are on a maintenance or service call.

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In this video, we will show you how to properly diagnose and replace an aquastat for a boiler system.

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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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