Secure the innovative and sustainable heating systems of the future
Heat pumps are systems that use external energy to extract thermal energy from a reservoir with a lower temperature and transfer it as usable heat with a higher temperature to a system to be heated. The heat sources are usually the surrounding air, the ground or groundwater, but industrial waste heat or wastewater can also be used.
The multiple of what is obtained in the annual average as heat energy from the supplied drive energy is called the annual operating number. This is the higher, the higher the temperature of the usable environmental heat and the lower the temperature required for heating. In Central Europe, annual operating numbers of about 3 to 5 are achieved for heating systems.
In conclusion, it can be said that heat pumps are significantly more efficient than pure electric heating systems, as they only have to redirect the already existing thermal energy through drive energy, instead of generating it completely themselves.