INTEWA GmbH develops and distributes products and systems in the areas of: Water treatment and reuse, as well as stormwater management - including infiltration and retention of stormwater. In order to constantly offer innovative and optimized solutions for these topics, INTEWA conducts continuous research and development.
As pioneers of rainwater technology, we have been in the market since 1993. From the very beginning, both the development of products and the planning of projects have been our main focus. The experience and competence of our employees is fed by the numerous development works and projects. We appreciate the exchange of experience within the association and beyond in our wide competence network of universities and colleges and business partners. Our customers with public, commercial or private construction projects are our top priority.
Everyone is talking about sustainability and the associated sustainable investment. An important factor here are the 17 Sustainable Development Goals of the United Nations (UN), which are intended to ensure sustainable development worldwide on an economic, social and ecological level.
The existing and future INTEWA products, systems and solutions contribute significantly to the achievement of these goals.
Find out which goals can still be achieved with INTEWA systems.
- Market launch I-CONNECT: Control & monitoring of INTEWA systems
- Market launch of complete grey water recycling system up to >100m³/day
- Start of various innovative research projects such as AgRAIN, MIKRO-GRAY or MULTILOOP
- Finalist in the DGNB Sustainability Challenge
Completion of the new INTEWA building "Auf der Hüls": Energy neutral & water self-sufficient
- Market launch of AQUALOOP-TAP: mobile, currentless drinking water production
- AQUALOOP is the first and only grey water system worldwide to receive Class C certification according to ANSI/NSF 350-2014
- Market launch of SEPAMAT backflow preventer series for category 5 according to DIN EN 1717 DVGW
- AQUALOOP ready for series production through research project CIP Eco-Innovation
AQUALOOP Certification to British Standard BS 8525-2: 2011
Market launch AQUALOOP: Installation kit for water treatment
Market launch RAINMASTER Favorit-SC: Speed-controlled, modularly expandable pump modules with drinking water supply for medium-sized objects, DVGW certification
Market launch RAINMASTER Eco: the most economical rainwater plant in the world
Research in cooperation with the University RWTH Aachen on a new greywater recycling process
Market launch of DRAINMAX tunnel for stormwater infiltration and retention (DIBt approval since 2012)
Market launch PURAIN filter
Development of a complete system program for stormwater management for private and commercial systems
Market launch of RAINMASTER control unit for rainwater harvesting
Company foundation by Dipl. Ing. Oliver Ringelstein
We live for technologies in the field of water, sustainability and resource conservation. Get to know our team better, because " Water, we are in our element".
International Sales Partners
Our products and services are offered worldwide. The INTEWA partner network now covers a wide range of countries. These include countries such as Spain, USA and South Africa.
Your right contact person
INTEWA's range of services is aimed at private, commercial and public construction projects. We provide support for planners, contractors and operators from the initial idea to the reliable operation of the system.
Our company building
In our new company building in Aachen, Germany, we apply some innovative technologies. We produce our own electricity, draw the heat from the ground beneath us, cool with the ambient air and drink our own collected rainwater.
Job & Career
As a future-oriented company we are always looking for qualified and committed employees. Are you looking for an internship, a place for a thesis or a permanent position? Then take a look at our company.
We continuously publish new professional articles about our innovations, research projects or solutions in the field of water technology. Our articles are at your disposal for free publication.