Agree About Not Closing Vents

https://shanekfrx461.zenbloomer.com/posts/comfort-experts-looks-at-high-power-bills-and-ac-repair-needs-in-north-fort-worth-summers

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