What Is a Coil Heater?
A coil heater is a type of heating element that utilizes electrical resistance to generate heat. This device functions by channeling an electric current through a coiled metal wire, causing the wire to heat up due to Joule heating—a process where electrical energy is converted into heat energy.
Thanks to their cost-effectiveness and structural simplicity, coil heaters are widely used in a range of settings, including household appliances, industrial machinery, laboratory instruments, and medical devices. The intensity of the heat produced can be controlled by varying the wire’s material, diameter, and the current’s strength.
Notable for their straightforward design, high thermal efficiency, and capability for quick temperature adjustments, coil heaters are essential in applications requiring precise heat control. However, given the high temperatures they can reach, implementing appropriate safety and insulation measures is critical to prevent hazards during use.