Cerian

About

Cerian is a private headquartered in Algemesí, Spain specializing in Energy Storage.

Cerian is a Spanish company specializing in energy efficiency solutions for homes and large hot water consumers. Their flagship product, the Passive Shower, is a heat recovery system that captures approximately 40% of the heat from shower wastewater and transfers it to incoming cold water, reducing hot water heating requirements. The device installs as a conventional shower tray and requires no maintenance. For a standard 4-person household taking 4 showers daily, the system delivers annual energy savings of approximately €165 and avoids 342-350 kg of CO2 emissions. Over the product's lifetime, users can achieve savings exceeding €3,000 and prevent approximately 6 tonnes of CO2 emissions. The company targets new construction projects and bathroom renovations, including accessibility-focused installations for people with mobility concerns.

Products