Waste to Energy at a Town Level.

The Problem

1,000 square feet of your terrace in Mumbai drains 250,000 litres a year, and about 100,000 litres in Bangalore in a year! 
The RO water you drink causes more harm than you know. 

Solution Arrays

Harvest rainwater with simple systems. Generate pure, safe drinking water from air with handy, easy-to-install systems.



  • Save 20% energy on drawing water from borewells or transporting by tankers with rainwater you use. 

  • Save half the energy you use in an RO system with the Air2Water installation eCol offers.


  • Reduce reliance on borewell or city supply or tankers. 

  • Safe, pure water from air without risk of RO treatment.


  • Greater water security and healthy water access