Cottonwood Fluff on the Condenser
https://manuelvwth616.keystonescope.com/posts/comfort-experts-ac-repair-tips-for-hot-upstairs-rooms-in-north-fort-worth-houses
Cottonwood Fluff on the Condenser Every May our condenser looks like it's wearing a sweater from all the cottonwood fluff. I hose it off gently from the inside out with the power shut off