You should do some maintenance or hire furnace repair services annually to ensure that your system continues to work for a long time. However, you can also learn a few tricks. The Youtube video "Yearly Furnace Cleaning and Maintenance Pro Tips" shows the things you should know how to do in order to save money.
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It's a good idea to understand the basics of furnace maintenance even if you're calling a furnace repair professional. That way, you can confirm they're doing a good job. Most furnaces around the country have a similar layout no matter where they're located in a house. In the video, it was a Goodman up-flow furnace.
All you need to complete this maintenance work is a 5-16 and a quarter-inch nut driver. Start by removing the lid cover and you can proceed with a special four-step method. The first step is safety, which means that you have to shut off the main power source for the furnace whether it's electricity or gas. The control panel might be nearby or a couple of feet away.
You can watch the rest of the video for more details about furnace repair..