Window blinds can be a pain to clean, depending on the type you have. Roller shades, for example, tend to collect a lot of dust and debris over time and can be difficult to clean. Sheer horizontal blinds can also be a challenge to keep dust-free.Venetian blinds are usually the easiest type of blind to clean because the slats can be easily rotated to expose the entire surface area to a duster or vacuum cleaner. However, even Venetian blinds can become dusty over time, so it2019s a good idea to give them a quick cleaning at least once a month.