Your own home is the most important place in your life. If you are planning and building your own house, you will make many important decisions in a short time. How you handle your valuable water resources efficiently will also be an important decision.

Trust your rainwater harvesting, water treatment and rainwater management to a partner who has over 23 years of experience with this technology.

Our service

  • Concept creation and preliminary pricing
  • Dimensioning with Rainplaner software
  • Support for exporting companies
  • Commissioning and maintenance
  • System monitoring


Your contact partner

ASP Tobias Rüttershoff

Nico Hafran

Telefon: 0241 966 05 25
Telefax: 0241 966 05 10




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The possibility to save drinking water has enhanced strongly the last years.

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A rainwater filter cleaning itself by the principle of the hydraulic jump.

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The DRAINMAX tunnel infiltration system: The only plastic trench with flushable  ground.

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The optimized water pump station for rainwater and greywater utilization in every planned construction.

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Tel. +49 (0)241/96605-0

E-Mail: info@​intewa.​de

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