Retrofitting refers to the addition of new technology or features to older systems. An example of this's car customizing, where older vehicles are fitted with new technologies: power windows, cruise control, remote keyless systems, electric fuel pumps, etc. Building Construction Retrofitting may also refer to the process of strengthening older buildings in order to make them earthquake resistant (See also Seismic retrofit). Manufacturing Principally retrofitting describes the measures taken in t… (More on Retrofit)