What aspect of gas combustion does a condensing high-efficiency system focus on improving?

A condensing high-efficiency system primarily focuses on improving energy capture through the optimization of gas combustion. This type of system is designed to recover heat that would otherwise be lost during the combustion process. By capturing the latent heat from the exhaust gases – which condenses into liquid water – these systems are able to convert more of the fuel's energy into usable heat, thereby increasing the overall efficiency of the heating process.

The efficiency gains come from the ability of these systems to operate at lower exhaust temperatures, enabling heat recovery processes that traditional systems do not utilize. This direct approach to enhancing how energy is captured from combustion results in significant energy savings and reduced emissions, aligning with modern energy efficiency standards. Therefore, the focus on energy capture distinctly highlights the unique benefits of condensing high-efficiency systems in improving overall performance when it comes to gas combustion.