Sometimes, you might have a serious pest infestation, such that the normal methods used to treat your home do not work effectively. Alternatively, you might have such a serious infestation that you might be overwhelmed with how to handle the whole problem. When this happens, you might want to hire fumigation services. Fumigation uses gaseous pesticides to get rid of pests. It is quite effective in killing insects that are in hard to reach areas. It is also effective in treating large areas, since the gases can be set to cover entire structures.