Can aluminum coil be used as a heater?

Yes, aluminum coil can be used as a heater. Aluminum is a good conductor of heat, making it suitable for applications where heat transfer is necessary. However, it's important to note that aluminum has a lower melting point compared to other metals like copper or steel, so it's not ideal for high-temperature applications. Aluminum coils are commonly used in electric heaters, such as toasters and air heaters, where they can efficiently transfer heat to the surrounding air or materials. Always ensure that the aluminum coil is used within safe temperature limits to prevent damage or safety hazards.