Following the construction of the Secondary Natural Gas Network in the Fontes Parish - Pole Régua / Santa Marta de Penaguião, PRESTITECA  will be responsible for developing all facilities projects of indoor installations of natural gas in Single Family, Multifamily and Tertiary buildings.

In a very simplified way one natural gas installation in buildings can be summarized as follows:
The gas system got its start in the input box in the building limit. The counter is installed downstream of a power line as copper (Cu) in the compartment where the gas appliances according to the respective control valves of the combustion apparatus