When it comes to residential window cleaning, it is generally recommended that you have a professional window cleaning service come to your house at least twice per year. However, the exact frequency of window cleanings depends on a variety of factors. For example, if you live in an area with intense weather conditions – such as windy or humid climates – it may be necessary to have them cleaned more often.

Additionally, the type of windows that are in your home and their condition will affect how often they should be cleaned. Windows with dirtier frames or those with stains can require additional cleansings throughout the year. If there is dust build-up around your windows or screens that need replacing due to damage caused by animals or other external elements, then having them professionally cleaned more frequently may be beneficial over time for maintaining aesthetic appeal and quality upkeep.

This answer was provided by McCormmicks Window Cleaning!