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Rain, a source of savings

Rain, a source of savings



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On average, more than 700 mm of water falls per year in France: enough to water our gardens, wash our cars and even provide water for the whole house. Just plug a recuperator on the gutter of our home ... and off you go for savings! A simple principle The roof of a house of 100m2 on the ground makes it possible to recover between 50,000 and 70,000 liters over a year, a variable figure depending on the inclination of the roof and the rainfall rate of the region. You just have to install a collector on the gutters to filter the water. This is then stored in a tank, which can be buried or not. And for distribution, the tank is either connected to your drinking water network or to a garden tap. Small above-ground tanks for watering the garden To choose your equipment, take stock of your needs. If you want to use the recovered water only to water your garden and wash your car, prefer a tank of 200 to 800 liters. You will find it from 40 € but plan to hide it, with climbing plants for example. You can also increase your budget and choose a recuperator around € 100, much more decorative. Their shapes and colors have indeed changed a lot in recent years: jar, column and even standing stones, there is something for all styles. For aces of recovery, look for an old winegrower's barrel as a reservoir for an economical and aesthetic solution.Large underground tanks, for all the needs of the house If you want to water your garden, but also feed your WC, your washing machine and your shower, you have to go to underground tanks, in concrete of 10 or 15m3. Opaque, protected from heat and frost, the tank is connected to a water collector via several filters. A pump assembles everything to your household appliances. The rainwater reserve is exhausted? Don't panic, the city's food system takes over. For the installation and the material, you will spend around 7000 €. A big investment but also huge savings in the long term: up to 80% less on your annual water bill, depending on the capacity of your tank and the rainfall rate in your region! 25% tax credit The tax credit applies to your cost of purchasing or installing rainwater recovery equipment and amounts to 25%. It relates to expenses paid between January 1, 2007 and December 31, 2009. It applies more particularly to rainwater equipment collected downstream from roofs, access to which is inaccessible, and for uses exclusively for outside the home. To benefit from this tax credit, you must attach the invoice drawn up by the company to your tax return. Also check with your town hall, as some municipalities offer bonuses for installing water collectors. Please note, rainwater is not drinkable! The soft, non-calcareous rainwater hides its game well! And yes, because it is not drinkable. It indeed contains many pollutants present in the atmosphere, harmful to our organism. This water must therefore be filtered to be able to consume it.