Dehumidifiers meant for the bathroom are small and in some instances are wall mounted (wall mounted dehumidifiers). The best dehumidifier for this part of your home needs to tackle the humidity problem as perfectly as possible. A bathroom dehumidifier that can work will cost you just $30-$100. The best unit especially for the ones found on Amazon (Amazon is the best place to get a bathroom dehumidifier) is the Eva-dry Electric Petite Dehumidifier Edv-1100, White. This one seems to be the darling for most dehumidifier customers and has many positive reviews. It only costs $56 (check The dehumidifier for bathroom for more).