The Ice Section Helped

https://griffinbmiu621.summitquill.com/posts/smart-thermostat-setup-tips-from-comfort-experts-to-reduce-ac-repair-in-north-fort-worth-homes

The Ice Section Helped The section on frozen coils helped. Ours iced over on a Sunday and my first instinct was to crank the thermostat lower. Glad I read this first. Turned it off, let it thaw, changed a very gray filter and it's been cooling normally