An automated dry-heating bedbug eradication device for pest eradication is provided herewith. By the use of a specifically fabricated graphene-coated copper heating film, the dry-heating device of the present invention can readily achieve a temperature that is higher than the well-established temperature of 45 C., which is proven lethal to all life stages of bedbugs, and also effective in ant eradication. The device is carefully designed to achieve high portability and maneuverability, and is customizable to accommodate the needs to sanitize mattresses of different sizes in different settings, ranging from home use to commercial hotel or hostel uses. The device of the present invention is also equipped with wireless connectability to mobile applications, and infrared sensor and PID systems for remote real-time monitoring and control.