The knowledge that company acquires is used and shared everywhere, openly and transparently. In this way, the client always remains in control of his own installations, with sustainability being of paramount importance, with the Altena Group doing everything possible to prevent waste and depreciation. The company does this by maintaining, renovating and upgrading at component level, offering specialist cleaning and thinking along with solutions within existing systems. Depreciation no longer exists in the future, but maintenance that extends life span does. Getting the most out of installations through efficiency, energy, comfort, no malfunctions is what Altena Group strives for and will realise for all its clients.