What does steady state efficiency measure?

Steady state efficiency specifically quantifies the combustion efficiency of a heating system when it operates under stable conditions, meaning the system has reached a balance where inputs and outputs are consistent. This measurement is crucial because it reflects how effectively the heating system converts fuel into usable heat, allowing for an accurate assessment of energy use and operational performance during normal working conditions. By evaluating the system in a steady state, one can determine how well it utilizes energy and minimizes waste, providing insights into both economic efficiency and environmental impact. Understanding this efficiency metric helps in identifying potential improvements that could lead to enhanced performance and reduced energy costs in heating systems.