Summary: Although this is a whole house humidifier, I use it for my bedroom during the dry winter months. I only use it at bedtime. The water tanks are huge and the water in it last me 1 week. This is good for me as I do not need to refill everyday. The unit as coaster to move around and stays above the ground by 6 inches which ensures the floor never gets wet. The tanks are heavy when filled with water as it is a big humidifier. Love this unit. Just make sure you use enough cleaning and bacteria solution to make the filter last a long time.