Gallery FGWRS 1
Gallery FGWRS 1
September 2019
Headquarters 98000, Monaco

FGWRS - A controlled process for grey water recycling.

FGWRS stands for a Firmus Grey Water Recycling System

FGWRS helps preserving drinking water resources within a genuine circular system that both recycles greywater and saves energy. The system works thanks to membranes processes and technologies that allow to treat greywaters as soon as they are collected. The FGWRS® recycles more than 80% of grey waters that can be reused in showers, washing basins and many other water device of a housing. Coupled to an energy recovery system, it can recover 70% of grey water energy (presents within grey waters calories). Fully automated, the FGWRS® can be remotely followed up and controlled. Mainly intended for collective housings with significant amount of grey water but also adaptable in its domestic version for individual housing.

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Key features

  • The benefits are for the preservation of water resources
  • Recycling 80% of grey water, thus saving more than 50% of the drinking water consumed in a home


  • As a reference, for a hotel with 178 rooms and 50,000 nights/year : FGWRS will save €36'000 on the water bill and €15'000 for electricity

Categories of Application

Company Profile

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

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