This video will demonstrate how to correctly make a 4-piece transition for a supply plenum out of sheet metal.

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.

In this video, we will show you how to install another popular type of humidifier - the powered humidifier. These are popular on some types but not all types of heating systems. Always follow the manufacturer's recommendations for installing and wiring these. There are also many different types o...

This video will show you how to install a bypass humidifier. In this video, we will demonstrate how to install an Aprilaire® humidifier. Always follow the manufacturer's instructions when installing humidifiers. Also, the wiring can be done in multiple different methods depending on the installat...

Steam humidifiers are gaining popularity due to the amount of added humidity they can provide your customers. In this video, we will show you how to install a Honeywell® canister-style steam humidifier which is a very popular model used in residential HVAC.

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.

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

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.

Interested in learning more about NexTech Acade...

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.

Inte...

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.

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

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.

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

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.

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

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.

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

This is one of the most common summertime calls. We will show you the methods of cleaning and unclogging a drain line for an A/C system.

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

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.

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

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.

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

In this video, you will learn about emergency pan float switches and the EZ trap float switches and how to install them.

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

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.

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.

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

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.

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

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

In this video, we will learn how to tell if a heat pump is overcharged or undercharged.

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