Even if many rainy days prevent one or two outdoor activities, they can be a beneficial way to cool down for people and the environment, especially in the hot summer time. In addition, collecting rainwater can also save resources and costs.
A variety of options: use rainwater for the garden and household
The collected water can be used for a variety of everyday tasks. This includes the washing machine, the toilet, cleaning work and garden watering, explains the HORNBACH hardware store on its website.
The required size of the rainwater collection system depends on various factors. A rain barrel can be sufficient, but it is also possible to use underground tanks and complete rainwater systems, as an article from the hardware store describes.
Home and garden supply systems offer the greatest potential for savings. This means that the water can be used in the garden, in the home and even as drinking water. Since rainwater can be collected all year round, you always have a natural water source regardless of drinking water.
Protect plants and your wallet: all-rounder rainwater
For those who enjoy gardening, rainwater can improve plant growth. In contrast to tap water, which can contain additives such as chlorine and lime, natural water is free of these additives. In this way, possible damage to the plants can be avoided, explains an article from the online portal hoerzu.de.
The use of rainwater for watering or flushing toilets also offers significant cost savings potential, as there is no need to use tap water or drinking water for a fee. This also makes it possible to save on so-called precipitation fees, which are charged by some municipalities for sealed areas and roof areas. However, if rainwater is collected and used elsewhere in the house and garden, this fee is significantly lower. The Graf company from Teningen in Baden is active in the field of water management and produces various solutions for the responsible use of this resource. In an example calculation, the company shows that a home in Berlin with a rainwater fee of 1.84 euros per square meter could result in a possible annual saving of 276 euros. This assumes 150 square meters of sealed area on your own property.
Important: Not every roof is suitable for collecting rainwater
However, the Federal Environment Agency points out on its website that not every roof is suitable for collecting rainwater. According to an article from the office, roofs made of copper and zinc are particularly dangerous because soluble and insoluble metal compounds can float off there, damaging the environment. However, the techniques and products for using rainwater in the home are mature, explains the Federal Office.
Editorial office finanzen.net
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