Hot water heating systems are designed to provide warmth and comfort in homes and buildings. They typically use a boiler or a water heater to heat water, which is then circulated through pipes to radiators or underfloor heating systems. This process ensures that spaces are kept at a comfortable temperature, especially during colder months. There are various types of hot water heating systems, including hydronic systems, steam heating, and tankless water heaters. Each system has its own advantages and is chosen based on factors like efficiency, cost, and the specific heating needs of a space. Proper maintenance is essential for optimal performance.