The Greentech engineering(approved agency for renewable energy programs ) is a reputed firm working in the field of Water Management, Natural Energy saving programs and Low Cost Building Construction throughout the state of Kerala and parts of Tamilnadu. Besides, we have very skilled masons and Technicians for the construction of Rain Wat... er Harvesting systems varying from 1000-litter capacity to 2Lakh-litter capacity. We are also Implemented Low cost waste management units like Bio-bin, Biogas plants and Waste water filtration Units. we also manufacturing & supply Various portable Fiber biogas plants+ More