GET 100% OFF YOUR FIRST MONTH!

Limited time - use promo code: TECHGIFT at checkout

Live stream preview

Watch this video and more on NexTech Academy On-The-Go

Watch this video and more on NexTech Academy On-The-Go

Start your free trial

Already subscribed? Sign in

Troubleshooting Demand Defrost Boards

Heating Systems • 6m 53s

Up Next in Heating Systems

  • 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, ...

    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...