This is an unpleasant odor that you hope never goes out of your air conditioning. If it does, the reason is very simple: an animal is dead and decomposed inside the unit. This tends to occur when rodents or birds in search of shelter. It tends to be a much bigger problem for air conditioning units at home rather than in vehicles. Best choice is to have the professional check your air conditioner cleaned to get rid of that unpleasant smell. Visit aircon-cleaning.com.au for more info! Read more…