The answer to 'how to clean thermostat' is to regularly clean the thermostat to maintain optimal performance and accuracy. This involves gently wiping down the exterior with a soft, dry cloth to remove any dust or debris. You can also use a small brush or compressed air to clean the internal components, but be careful not to touch any wiring or internal parts.
It's recommended to clean your thermostat every 6-12 months, or more frequently if you notice it's not functioning properly. This simple maintenance can help extend the life of your thermostat and ensure your HVAC system is running efficiently. If you're uncomfortable performing this task or notice any issues, it's best to contact a professional HVAC technician for assistance.