If you are finding that your walls or window seals have mould spots, musty smells or condensation on the windows in the morning, then you will need to get a dehumidifier to get rid of the dampness around the house. Mould and allergen growth will lead to risks of health problems and can cause damage to the house. Hence it is important to get a dehumidifier to remove the moisture from the interior air of a room. It will also maintain the room’s humidity levels through a humidistat as too dry or too wet are both not great.