Power Bill Shock
https://troytuco030.alderbrief.com/posts/smart-thermostat-setup-tips-from-comfort-experts-to-reduce-ac-repair-in-north-fort-worth-homes
Power Bill Shock Totally agree about power bills being a warning sign. Ours jumped almost 30 percent in one month with no change in how we live. Turned out the outdoor coil was caked with grass clippings from the mower