How much does a rainwater tank cost?
Saving is the key word for anyone who is building or renovating. With a rainwater harvesting system, you can save on your water bill by using rainwater for the toilet, the washing machine, the garden.., washing machine, garden... How much does it cost? We asked Philippe Courcelle, advisor to water manager GEP Watermanagement in Harelbeke. The prices quoted do not include VAT.
The rainwater water tank
How big does your rainwater of your rainwater tank?
"In accordance with regulations, you'll need to calculate a requirement of 50 liters per square meter of roof. For a 5,000-liter concrete tank (the mandatory minimum volume), you'll pay an average of 772 euros; for a plastic tank, the average price is 1,650 euros," explains Philippe Courcelle.
The maximum authorized volume is 10,000 liters. A 10 m³ concrete tank costs around 1,120 euros and 2,360 euros for a plastic tank. Prices exclude VAT and transport transport, but include levelling and cover". Calculate the size of the rainwater tank on the basis of 50 liters per square meter of roof.
"The choice of pump depends on the type of house, the position of the tank in relation to the house, and your Philippe Courcelle explains. On average, a self-priming self-priming pump costs 530 euros, and a submersible cistern pump costs around 770 euros.
"The greater the distance to be covered more devices are connected, so the greater the need, the higher the price. price will be. Would you like an automatic tank refill system with mains water when needed? Then you'll pay 280 euros for an additional pump system.
The filter
"In principle, a rainwater filter is the most important part of the system to prevent leaves and leaves and debris from finding their way to the bottom of the cistern. This filter costs between 250 and 350 euros."
"In addition, we always work with a floating suction 90-euro floating suction with self-priming pumps. With submersible pumps, floating suction is included in the price. included in the price. A fine filter costs around 180 euros and will capture the last particles in the water. particles in the water.
The switching switching system
"Would you like an automatic switchover to mains water if the water level is very low? This system doesn't fill the cistern with city water, but has its own small cistern in the house, which is used for everyday consumption," continues Philippe Courcelle. "You'll pay around 1,800 euros for it.
"The choice of pump depends on the type of house, the position of the tank in relation to the house and your own wishes. To commission a rainwater harvesting system, the water supplier must approve the must approve the system.
Installation installation
The costs of installing your rainwater harvesting system are difficult to determine, because they depend on your individual situation. If it's a new build or a renovation... If the location is easily accessible or not... If a lot of excavation work is required... In the case of renovation, costs are generally higher since the installation requires the replacement of some pipes and therefore more demolition. Costs related to materials, such as pipes, are limited.
The mandatory mandatory
Before putting your system into operation, the water supplier must check the system. Verification of the indoor installation ensures that the quality of the drinking water is not affected by the house's sanitary system. The two must be kept strictly separate. The price depends on your municipality and water supplier. It hovers around 130 euros.
Maintenance maintenance
"In principle, a rainwater harvesting system doesn't require much maintenance, so costs are limited. All you need to do is remove the settled sludge from the bottom of the cistern and clean the filter 3 or 4 times a year, especially when the leaves fall and spring arrives."
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Sources: EDITORIAL LIVIOS 04-06-20