The duration of a cleaning appointment with Wash It, Inc. can vary based on several factors, including the size of the space being cleaned, the type of cleaning service requested, and the specific cleaning requirements of the customer. Typically, a standard residential cleaning appointment may take anywhere from one to four hours. For larger spaces or specialized services such as deep cleaning, the appointments could extend to six hours or more. The company aims to provide thorough and efficient cleaning while accommodating the unique needs of each client. For specific details regarding timeframes for particular services, it may be helpful to refer to the current information available on the Wash It, Inc. website.