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Sales for domestic customers

Turn your home into a water-saving building and manage your own rainwater or graywater. Create your own personal green oasis and save money in the process. We will guide you through all phases, from planning to execution of your water project.

I am interested in
Water treatment
Stormwater management
Fire water
Your planning

Do you have a current construction project or would you like to implement a solution from us at a later date?
We will be happy to call you back for a personal consultation.

Give us your preferred time

Contact us

If you have any questions about our products or services, simply contact us by phone

or send us an inquiry using the contact form below.


Domestic Sales Germany:

  +49 (0) 241 966 05 25 


Service overview

We support you in the implementation process from A to Z as follows

  • Concept development and price calculation for preliminary planning
  • Dimensioning with Rainplaner software
  • Compilation of tender documents
  • Support of executing companies
  • Commissioning service

Dimensioning of INTEWA products

Planning sheets for various applications

Rainplaner software

Here you will find brochures, instructions, certificates, technical drawings and much more.

With our knowledge portal we offer you information about stormwater management, water reuse and more.

In our own Online-Store you will find detailed product information.