HELIEN is a manufacturing company situated in Athens, Greece, providing solar systems for domestic hot water, heating and for various institutional applications where engineering solution, sustainability and high efficiency are part of technical requirements. Adopting the international standards, all products are CE mark approved, test report from Dimokritos number 1165 of standards EN 12975-2/ISO 9806-1.

Using high quality material, Helien offers complete range of solar collectors, thermosiphonic systems and storage tanks for solar central system.