The length of time a house cleaning takes depends on several factors such as the size of the home, the level of cleaning required, and the number of cleaners performing the job. On average, a basic cleaning for a small to medium-sized home can take anywhere from 2 to 4 hours, while a deep cleaning or a larger home can take 4 to 6 hours or more. The exact amount of time will vary depending on the specific needs of the homeowner and the level of detail the cleaners are providing. It is important to discuss the specific requirements and expectations with the cleaning service before starting the job to ensure that the cleaning is performed efficiently and to the satisfaction of the homeowner.