Agree About Not Closing Vents
https://blogfreely.net/galimelfxx/comfort-experts-on-refrigerant-leaks-and-ac-repair-for-north-fort-worth-systems
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