A thermostat that seems inaccurate may have dead batteries, bad wiring, or poor placement near heat

https://residentialcoolingservice771.scriblorax.com/posts/how-same-day-ac-repair-restores-cool-comfort-fast

A thermostat that seems inaccurate may have dead batteries, bad wiring, or poor placement near heat. Replace batteries and test settings before assuming a larger issue.