According to WiseGuy Reports, the Fuel Flexible Boiler Market is projected to grow from USD 6.96 billion in 2025 to USD 10.3 billion by 2035, at a CAGR of 4%. Fuel flexible boilers can operate on multiple fuel types, including natural gas, oil, biomass, coal, and increasingly hydrogen. This flexibility provides resilience against fuel price volatility and regulatory change, making these boilers...