Luftbrunnen: high costs - so build yourself?


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Luftbrunnen: high costs - so build yourself?

If you want to always have a pleasant climate in your house, then you can install an air well, because it provides continuously for fresh air in the house. An air well is particularly suitable for people who suffer from breathing difficulties. Above all, allergy sufferers benefit from an air well, because through the filter, the air is freed from all pollen.
The air well is therefore an environmentally friendly air conditioning, which is also associated with very high costs. Not only does it take a lot of money to dig a two to three meter deep trench to use the well, but laying the pipes is not that easy and requires the support of professionals.
But you can also do many jobs yourself, so you can cut costs. In order to have a guideline value one can count on costs between 25 and 45 euro per Wohnquadratmeter.
The construction of an air well
The actual air well consists of an intake pipe, which is mounted vertically. For this purpose, a shaft is required, which is about ten square meters and two to three meters deep. In this shaft then horizontal pipes are laid, which are permeable to air. They lead into the central intake pipe.
Layer by layer, the shaft is then with sand, gravel
and earth filled up. These materials incorporate an environmentally friendly cleaning of the air in the rooms
is filled. The surface of the air well can be provided with lawns or plants, so that it becomes practically invisible.
Worth knowing about the air well
In order to build an air well, a gravel bed must first be created. This fresh air is sucked to the well, which is then released in the rooms. It is crucial that the gravel bed is not contaminated due to environmental influences, as it is precisely this air that is later routed into the rooms. It is therefore important to ensure that the gravel is not just located on a road.
Furthermore, attention must be paid to a soil capable of seepage so that rainwater can drain off. If this is not the case from the outset, appropriate drainage must be taken into account.
Furthermore, it is important to pay attention to the climatic conditions of the seasons. In winter, cold air should not be conducted into the rooms, so it must first be heated. This involves increased costs because most systems use electricity to heat the cold air. To reduce costs at this point, an underground pipe and a geothermal collector are available.

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