In what form is heating distributed in a hydronic system?

In a hydronic heating system, heating is distributed through tubes in the floor or radiators. This system circulates hot water, which is heated by a boiler, through a network of pipes. The heated water transfers warmth to the surrounding air and surfaces, effectively raising the temperature of the space being heated.

One of the key advantages of using tubes in the floor (often referred to as radiant floor heating) is the even and consistent distribution of heat. Unlike systems that rely on ductwork, hydronic systems can provide comfortable warmth without the drafts or noise associated with forced-air systems. The heat from the floor gradually rises, creating an ambient warmth that is often preferred in residential settings.

Other options, such as electrical wires and air ducts, pertain to different types of heating technologies. Electric systems deliver heat via resistance wires, while warm air systems distribute heat through ducts. Heated stones is not a standard form of heating distribution in common residential heating systems, as they typically serve more specialized or alternative heating methods. Therefore, the characteristics of hydronic heating make the distribution through tubes in the floor or radiators the correct form of heating in this context.