Marshall’s door and window repair provides window repairs to broken windows. Replacement of broken balancer springs, locks, latches, screening. Our technicians can repair most windows and bring them back to fully functioning windows again. Balance spring break down over time and need to be replaced. when this happens, your windows will not open or stay in the open position anymore. Changing the balancers will allow the window to open and operate as it did when it was new. replacements of broken and damaged window screens that have been deteriorated by the sun over time.