Window cleaning may take longer and be more expensive.

Prime Window Cleaning : If your windows haven’t been washed in years, the initial window cleaning may take longer and be more expensive, respectfully.  Once, your windows have been serviced with the first window cleaning, other routine cleanings will take less time. In case you your windows have AC units installed within them,
professional window cleaners will be able to remove them prior to cleaning and re-install them once they are finished. Also, if by any means they discover your AC unit has not been installed properly initially and has been causing harm to your windows, the cleaning team will be able to reposition and rewire the said AC unit. If you schedule a routine service cleaning, most professional window cleaning companies will respect that you are a repeat customer and will lower the rates.