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

HVAC Troubleshooting • 6m 53s

Up Next in HVAC Troubleshooting

  • 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...

  • 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