Power Bill Shock
https://trevordoay282.northstarcolumn.com/posts/comfort-experts-air-filter-advice-that-cuts-ac-repair-calls-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