Boiler is used to produce heat or steam for HVAC and refrigeration applications. It helps provide thermal energy for heating buildings and industrial processes. The equipment supports steam generation and hot water circulation. Boilers may use fuel, gas, or electricity to warm water or create steam. This category includes horizontal or vertical steam boilers and hot water boilers. Technicians use boilers during system commissioning and routine maintenance. The design helps support consistent heat delivery during service work. Boilers are common in commercial and industrial heating systems. The system fits into daily operation and inspection tasks. It supports regular boiler service and repair activities.