How to mount ventilation in the apartment yourself

To cleanse air in the apartment and give it freshness, it is necessary to correctly mount the ventilation. In this case, the ventilation box is connected to electricity, so you should install a socket and lay the wires. During work, it is imperative to ensure that electricity throughout the apartment is disconnected. The fan switch must be in the “off” position, this will prevent it from turning it on during the attachment of the system to electricity. Recently, they often buy a building materials in Elabuga, they are not very expensive there.