ThermiUp

Founded in 2019, ThermiUp is a private company headquartered in Nantes, France with approximately 11-50 employees specializing in Other.

ThermiUp is a French startup that designs and commercializes passive heat recovery systems for wastewater. The company manufactures heat exchangers that recover heat from greywater to preheat cold sanitary water, reducing energy consumption by 5-30% depending on configuration. Products are entirely manufactured in France, passive (no moving parts), require no maintenance, and are compatible with all types of hot water production systems. ThermiUp targets collective housing, healthcare facilities, and hotels. The company is certified by CSTB, labeled JEI and Novabuild, and has won multiple awards and grants from ADEME, BPI, and major groups. Heat recovery solutions are classified as renewable energy under regulations and contribute to RE2020 compliance.