Smart devices are already helping homeowners to monitor their resource usage and reduce utility bills, with products like Sprāv focusing particularly on tracking how much water is used in the shower. However, such devices typically only inform and don’t offer practical solutions. Ecodrain is an easy-to-install drain that heats cold water using the hot water going down the plug hole.
Springwise in your inbox
Join 170,000+ others: Don't miss the latest and greatest innovative business ideas from around the world.