Gas Boiler Efficiency Calculator
Gas Boiler Efficiency Calculator Gas Boiler Efficiency Calculator Input Gas Consumption (m³): Input Heating Value (BTU/m³): Calculate Efficiency Boiler Efficiency (%) Description 90% – 98% High-efficiency condensing boilers 85% – 89% Modern mid-efficiency condensing boilers 80% – 84% Non-condensing boilers and older mid-efficiency boilers Below 80% Older and less efficient boilers Note: Boiler efficiency can … Read more