The electrical company Duvoisin & Groux is now an official partner of DTI-Energies for the installation of hei eco tec products.
This partnership garantees a high quality installation for all customers in the Canton de Vaud region.
In addition, this partnership allows a best maintainence of the installations in any time.
When choosing to work with one of our partners, the customer can gain until one year extended warantee on our products.