Short YouTube HVAC tip by Derek Cole stating the most common reason heating systems fail at season start is lack of maintenance—dirt buildup from not running, testing, cleaning, or checking the unit for many months. The speaker emphasizes testing the system before cold weather to avoid failures.
So what's the most common problem people have with their heat not working this time of the year? It's maintenance. Maintenance. It goes back to dirt. I think I talked about that before. Dirt in the system. So if you don't run that unit for what's been like nine months since we needed heating. Right. So if you wait that long before you even test it out, and it's 30 degrees outside and the first time you run it, there's a chance it might not work because it hadn't been tested and cleaned and maintenance and checked, and so that's probably the biggest problem.
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