We heat our house with wood heating. The water is stored in a 5000 litre boiler. We also generate electricity with our own solar system. At its peak, it generates 5 kWh. We consume about 7GWh in a year.
Our house is heated with natural gas (our hot water is also heated with natural gas).
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The appropriate gas is burned in the gas burner, and it can be fed into the burner at any time due to a slight overpressure of the gas pipe. The resulting heat is transferred via a heat exchanger to the ready heating water of the natural gas heating system and then pumped along with the water via a circulation pump to the radiators. The radiators then release the heat generated into the environment. Meanwhile, the cooled water flows back to be heated again. (https://www.thermondo.de/info/rat/gas/warum-ist-eine-erdgasheizung-so-gefragt/)
Heat resources - geothermal heating
In my home, we heat with the heat of the earth, the so-called geothermal heating. It is renewable energy and can be easily extracted. We use this energy to warm our house and also to warm our water.
Geothermal energy refers to the use of heat from the earth's interior. This energy stored in the earth can be used with the help of various methods. In most cases, geothermal probes are used in combination with heat pumps to heat single-family homes and large buildings. Geothermal probes go to depths of 200 to 400 meters.
The heat stored in the earth's crust (thermal energy). It is versatile and can be used for heating and cooling, as well as for electricity generation or in a combined heat and power system. The energy potential is enormous: 99% of the earth is warmer than 1000 °C. And geothermal energy also has many advantages in terms of environmental friendliness: no burning of fossil fuels and thus no harmful emissions.
