The Windhager FKU 25 kW is a high-quality solid fuel boiler that is designed to provide efficient and reliable heating for homes and businesses. This boiler is capable of burning a variety of solid fuels, including wood pellets, wood chips, and logs, making it a versatile choice for those who want to reduce their reliance on fossil fuels. With its advanced combustion technology, the FKU 25 kW is highly efficient, delivering up to 94% efficiency and reducing fuel consumption and emissions. And with its durable construction and easy-to-use controls, this boiler is built to last and provide reliable heating for years to come.