Heizungen are systems used to provide warmth to indoor spaces, especially during cold weather. They can be powered by various energy sources, including electricity, gas, oil, or renewable energy. Common types of Heizungen include radiators, underfloor heating, and heat pumps, each offering different methods of heat distribution. The efficiency and effectiveness of Heizungen depend on factors such as insulation, the size of the space, and the type of heating system used. Proper maintenance is essential to ensure optimal performance and energy savings, making it important for homeowners to regularly check and service their heating systems.