The reason why you should replace old insulation is because It may have a rodent infestation/ contamination and also insufficient insulation cost you money by allowing heat loss/gain. The good thing about installing new insulation is that it helps prevent energy loss i...
No matter what people do, trying to rid the world of air pollution is a difficult thing.
With car exhaust, toxic fumes and smog
covering most cities, air quality is something that is fast declining in the world today.