Common Causes of Household Odors
Anything that is burned inside your home will produce a smell that is impossible to remove using domestic methods, especially after a house fire. A house fire gets so hot that it can melt plastics and other items produced with oil, which can produce dangerous chemicals once melted. Even the smell of burning plastic is so horrible and long-staying that it will take a professional to remove the odor completely. Fire damage is extremely difficult to remove.
Flooding and Odor
Another problem comes from flooding, especially when the issue is natural disasters or sewage. Unknown substances can enter the floodwater and be left inside your house long after the flooding has subsided. After the water has been removed, this unsanitary waste can permanently damage carpets and contents and cause the items to smell. Even a burst mains pipe or appliance, if the water is left stagnant, will eventually have the same result in water damage.