Defrosting systems are mechanisms used to remove ice or frost buildup from appliances like refrigerators and freezers. These systems can operate automatically or manually, ensuring that the cooling efficiency is maintained and preventing damage to the appliance. Common methods include heating elements, hot gas defrosting, and fan-assisted air circulation. In commercial settings, defrosting systems are crucial for walk-in freezers and display cases. They help maintain optimal temperatures for food preservation and improve energy efficiency. Regular maintenance of these systems is essential to ensure they function effectively and prolong the lifespan of the equipment.