Hellio is a company specializing in energy management and energy renovation work. It works with individuals, condominiums, businesses, manufacturers, local authorities, carriers and craftsmen throughout mainland France and the overseas departments and territories.
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- Overall renovation of a thermal strainer in Orléans: an evolution from the letter F to B in the DPE and 76% energy savings
- Hellio supported the municipality of Maslives in its energy transition to facilitate the renovation of its school
- Hellio helps finance the 1st European biobased energy renovation of passive performance