Which of the following systems is identified as a common convection system?

A common convection system involves the circulation of air to distribute heat. In this context, the utilization of diffusers and forced air systems maximizes the movement of warm air throughout a space. Forced air systems work by pushing heated air through ductwork and into a room via diffusers, ensuring even distribution of warmth and maintaining a comfortable indoor climate. This process harnesses natural convection principles, where warm air rises and cooler air is drawn in to replace it, creating a continuous cycle that effectively warms the space.

While heat pumps function effectively for heating and cooling, they do not primarily rely on convection to distribute heat in the same way that forced air systems do. Radiant floor heating systems utilize conduction and radiation rather than convection, as they heat surfaces directly rather than circulating air. Baseboard heaters also primarily rely on convection principles but to a lesser extent and do not involve a forced air component. Thus, diffusers and forced air systems represent the quintessential example of a common convection system due to their reliance on air movement for heat distribution.