Knowledge that helps you make the right choice
Articles on water conservation, rainwater harvesting systems, and sustainability — written by our specialists.
Danish thought. German engineering. Better rainwater harvesting systems.
We combine Danish-produced WaterCare tanks with German WISY technology. Read about why this interaction provides you with a rainwater harvesting system that offers a long service life and minimal maintenance.
Which rainwater management system should I choose?
All our rainwater harvesting systems use the same WISY filter – the difference lies in the control system. Read about Sigma, Multimat, and Optima, and find the right solution for your installation.
How a rainwater harvesting system works in your home
A safe and proven solution that makes your everyday life more sustainable — without compromising on comfort or safety.
Is rainwater safe to use? All about quality, filtration, and legislation
Rainwater in the toilet and washing machine may sound unfamiliar – but it is both well-regulated and thoroughly tested. Here you'll find answers to the questions most people ask before making the decision.
How much does a rainwater harvesting system cost — and when does it pay for itself?
Most homeowners want to know what they are actually investing and what they can expect to save. Here is an honest overview of prices, savings, and payback period.