The answer to 'what does window cleaning include' is that window cleaning typically involves thoroughly cleaning both the inside and outside of windows, as well as the window frames and sills. This includes removing dirt, dust, grime, and any other buildup on the glass, frames, and sills using specialized cleaning solutions and tools.
Professional window cleaners will also check for and address any cracks, chips, or other damage to the windows, and may recommend any necessary repairs or replacements. They will also clean skylights, mirrors, and other glass surfaces in the home as part of a comprehensive window cleaning service.