Why Air Filters?
Why Filter the Air? It might seem obvious that air filters (air conditioning or furnace filters) should be used but let’s look specifically at why that is so. Perhaps the most important reason to try to clean the air is the health aspect. Studies have shown that interior air is frequently more polluted and harmful than outside air. That may seem counter intuitive to most of us because of two factors. The first is that interior air usually “looks” clean, in that it does not appear dirty like the air in a smog filled city might. Also, assuming reasonable cleanliness, most interior air does not contain strong odors which we usually associate with pollution. Having said that, the obvious exception is when cigarette, pipe or cigar smoking occurs on a regular basis. Now the pollution can’t be missed, you can see it and you can smell it. The health concerns regarding smoking are well known and possibly beaten to death, so we won’t get in to that. Not so obvious is the health impact of dirty i
