The choice between spring and fall for window washing depends on things like location and of course individual preferences. Spring cleaning provides a fresh start by removing hard water spots and other contaminants that have accumulated over the winter months. Additionally, it allows ample natural light into the interior. On the other hand, fall window washing can be great to remove things like pollen that have accumulated on the windows through the spring and summer. Ultimately, both seasons offer benefits, so the decision may be influenced by specific environmental factors and personal scheduling convenience.