Hydronic heating systems use water to transfer heat throughout a building. These systems typically consist of a boiler that heats the water, which is then circulated through pipes to radiators or underfloor heating elements. This method provides consistent and comfortable warmth, making it a popular choice for residential and commercial spaces. The efficiency of hydronic heating systems can lead to lower energy costs compared to traditional heating methods. Additionally, they can be powered by various energy sources, including natural gas, electricity, or renewable energy, allowing for flexibility in installation and operation.