Ensure you have clean energy and save with our photothermal panel!


T-Sirius is the new generation photothermal panel that simultaneously provides an electrical and thermal output. Consisting of a single body it produces 300 Wp of electricity end up to 980 Wp of thermal energy. Its installation requires a smaller surface, so T-Sirius is perfect for every kind of architectural integration.

Drastically reduce the consumption of electrical energy with our thermal stack!


T-Jar is the stratified thermal stack designed by Treelium for the production of sanitary hot water and technical water from a solar source supplied at 15 to 60° C. Made of stainless AISI 316L steel, it distributes water at three different temperatures.

Professional approach, transparency, safety


Treelium products are distributed only by authorised resellers, after a specific training within our company.

Treelium also carries out random checks on its own installation staff to verify the quality level of the installation and the maintenance of the products sold.

See the complete list and find the reseller nearest to your home!



Roberto Santangelo – Impianti Sanitari e Riscaldamenti
Via San Salvatore 15, 6913 Carabbia
+41 79 388 78 51 – r.santa@bluewin.ch


Click here and consult the page dedicated to “Italy” dealers.


Dürener Straße 424-428
50858 Köln
Tel: +49 (0)221 170 99 250 – +49 (0)176 72413598
Email: info@reingen.net – Site: www.reingen.net

Czech Republic

TO.RO. International s.r.o.
Štúrova 13, 360 04 Karlovy Vary
IČ: 64578232, IVA: CZ64578232 – nu.tel. +420602725210


Treelium Bulgaria

ul. “Kyustendil” 13, 1680 g.k. Belite brezi, Sofia, Bulgaria
Tel.: +359 886014317
Email: info@treelium.bg – Site: www.treelium.bg

Eco System Group
1784 Sofia, Bulgaria 131, Tsarigradsko Shosse Blvd
ATM Business Center 6 th. floor, office 611
Tel.: +359 886014317
Email: office@ecosystemgroup.bg – Site: www.ecosystemgroup.bg


ECE.RE. Immobiliare
Bucuiresti (MUNICIPIUL BUCURESTI) – Romania
Tel.: +40 212 309 963
Giovanni Comassi +40 773864207 – Dragos Alexandru Ionescu +40 735525707
Email: ecereimmobiliare@gmail.com – treelium.ro@gmail.com


Level 3 s.r.o.
Ferienčíkova 18, 811 08 Bratislava
IČ: 36804916 – tibor@markpeterson.eu – nu.tel. +421907598915


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