Thermosyphon reboilers are essential components in the chemical and petrochemical industries, widely used in distillation columns and process heaters to transfer heat efficiently. They operate on the principle of natural circulation, where the heat input causes boiling at the tube surfaces, creating a density difference that drives the boiling liquid upwards. This type of reboiler is particularly advantageous for systems where minimal pump power is desired, as it eliminates the need for mechanical pumps, reducing operational costs and maintenance needs. Thermosyphon reboilers also offer excellent thermal performance, making them suitable for applications requiring precise temperature control and high heat flux. Their robust design accommodates various fluids, including hydrocarbons, chemicals, and water, ensuring versatility across different industrial processes. The natural circulation mechanism prevents fouling and scaling inside the tubes, thereby increasing the operational life and reliability of the equipment. Additionally, thermosyphon reboilers can be easily integrated into existing systems, making them a cost-effective choice for both new installations and retrofits.