The answer to 'thermostat high energy bills' is that a malfunctioning thermostat is a common cause of high energy bills. Symptoms may include the HVAC system running constantly, inconsistent temperatures, or the thermostat display showing the wrong temperature. Solutions can range from simple thermostat adjustments to replacing an old or faulty unit.
If the thermostat is not the issue, other common causes of high energy bills include poor insulation, leaky ductwork, an oversized HVAC system, or a unit that is not operating efficiently. Homeowners should check for drafts, ensure proper airflow, and consider upgrading to a more energy-efficient system if the current one is old or not meeting their needs.