Thermal Load Analysis Convection analysis is a technical method used to estimate the amount of heat energy released from a fire source or heating system and its impact on the structure and surrounding environment. The analysis goes beyond simply measuring temperatures; it includes studying the rate of heat transfer, its distribution within a space, and its effects on materials, structures, and personnel. In aircraft accidents and high-risk facilities, understanding convection is crucial for estimating failure time, determining safe approach limits, and formulating attack or containment strategies. A commander skilled in reading convection not only confronts the visible surface of the fire but also addresses its latent energy and future impact.