Before purchasing our home the latest rental that we had rented required that the previous tenants pay for all interior carpet cleanings in areas that had carpet, The previous tenants of the unit had a pet dog, and one room smelled like strong urine, Servpro came to clean the carpets and for 3 areas, it took about 15 minutes in total, the carpet wasn't even very wet just a little moist, and the day after the dog urine still remained in the carpet, they do a very quick, do it and leave job