Agree About Not Closing Vents

https://raymondwgmj058.stonefielddigest.com/posts/indoor-air-quality-problems-that-point-to-ac-repair-in-north-fort-worth-and-how-comfort-experts-can-help-2

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