Agree About Not Closing Vents
https://holdenxhbk784.urbanvellum.com/posts/electrical-panel-problems-behind-ac-repair-in-north-fort-worth-and-where-comfort-experts-fits-in
Agree About Not Closing Vents Agree with the point about not closing too many vents. I used to shut them in the guest rooms to cut energy use, and the system started whistling and running longer. Opened them back up and things calmed down