Rainwater as a Resource,
Not a Problem
We don't see rainwater as a nuisance — we see it as a source to conserve drinking water and generate energy. Our modular RaaS system solves both grid and water congestion, making buildings 100% gas-free and water-neutral.
Self-sufficient water & energy for every building
The RaaS model is an integrated blueprint for making areas and industrial sites fully self-sufficient and water- and energy-neutral, based entirely on rainwater.
The techniques used for water purification and energy supply are proven technologies. A smart algorithm and dashboard continuously optimize the balance between hot, warm, and cold water — no gas, no ground drilling, no lengthy permit procedures.
Everything your building needs,
from a single raindrop
Eleven pillars that make the RaaS model the most comprehensive water-energy solution available.
Circular
Local purification saves on drinking water and sewer costs. Buildings become both water- and energy-neutral.
Water / Energy Balance
Rainwater combined with heat pumps and PVT panels. From mid-2027 also for drinking water etc.
Modular & Scalable
Adaptable per situation. Roof and street water collected in modular flexible buffers — fits any project size.
Universal
Applicable to both new construction and existing buildings. No major structural changes needed.
Legally Compliant
Full compliance with all legal standards. No geothermal drilling means permit procedures are minimized or eliminated.
Climate Ready
Buffer function prevents nuisance during extreme downpours. Easily adaptable as climate science evolves.
Sustainable
Direct reduction of CO₂ emissions and a significantly lower environmental footprint per building.
Financial
Optimal use of MIA/Vamil schemes and subsidies. Return on investment within 3 to 4 years.
Autonomous
Users become fully independent of utility companies — no more dependence on the grid or gas network.
Multifunctional
Usable for firefighting water, sprinkler systems, and cleaning. Safety is built into the system by default.
Quality
Rainwater is naturally soft — no limescale — and completely Legionella-free.
RaaS Model — Feature Overview
A complete overview of all 11 themes that make the Rain as a Service model the most advanced water-energy solution on the market.
| # | Theme | Description | Category |
|---|---|---|---|
| 01 | Circular | Local purification saves on drinking water and sewer costs. Buildings become water- and energy-neutral. | Water |
| 02 | Water/Energy Balance | Use of rainwater with heat pumps and PVT panels. From mid-2027 also for drinking water etc. | Energy |
| 03 | Modular | Scalable system, adaptable per situation. Roof and street water collected in modular flexible buffers. | Water |
| 04 | Universal | Applicable to both new construction and existing buildings without major structural requirements. | General |
| 05 | Legal | Full compliance with legal standards. Design minimizes permit procedures. No geothermal drilling required. | General |
| 06 | Climate | Buffer function prevents nuisance during extreme downpours. Easily adaptable to new scientific insights. | Climate |
| 07 | Sustainable | Direct reduction of CO₂ emissions and significant lowering of environmental footprint. | Climate |
| 08 | Financial | Optimal use of MIA/Vamil schemes and subsidies. ROI within 3 to 4 years. | Finance |
| 09 | Autonomous | Users become independent of utility companies entirely. | Energy |
| 10 | Multifunctional | Usable for firefighting water, sprinkler systems, and cleaning applications. | Water |
| 11 | Quality | Rainwater is soft (no limescale) and completely Legionella-free. | Water |
The numbers speak for themselves
Measurable impact across water, energy, and costs — from day one.
Return on Investment
Optimal use of MIA/Vamil schemes and subsidies included.
Permit-free implementation
No geothermal drilling means no years-long permit procedures. Flexible water buffers get you live faster, with less red tape.
Get in touch