Invisible Number is, the new name of i9Domus, a company located in Sines. Our main gool is the development and implementation of home automation projects in Alentejo and Algarve, using the KNX international standard as well as Z-Wave. Invisible Number is an integrator of several tecnologies from diferent manufacturers and develops and implements advanced KNX automation solutions in a prespective of integration of several systems as a one. Our projects of "Inteligent Houses" have the objective of increase the energy efficiency, confort, safety and the flexibility of the buildings.