That is the expected results when good filters are used. In addition,the air is healther,house dusting is less,and there is energy savings. Just for the record,$8 or $10 filters do about as well except taking pollen and mold spores out of the air which in itself is worth $20 to people with sensitive respatory systems( probibly more than 50% of us over 60.) In addition to using a good filter you can hedge the benifits even farthur. When replacing the air handler insist on a 25x25 or 20x25 filter holder. Simple math tells us the 20x25 has over twice the suface of 12x20 or 16x14 which translates to lasts twice as long. I fabricated holders that hold 2 20x25 filters 3" apart when installing my units. I use a $4 paper pleat in first one air passes through and $15 pleated high effeciency downstream. I get 3 months out of the $4 one and 6 months easy from the $15 filter because it has no dust or lint on it,only black stuff I assume I would rather not breath. To judge when a pleated filter is due,non too soon nor too late,hold it up to weak light. After several days you will note only about 25% of deepest part of crease restricts light while the other 75% of high points are clean as new. As time passes,the coverage creeps toward the peaks of pleats. Just as light is passing unrestricted 1/8th inch on each side of peak is time to change.
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Today's Featured Article - Talk of the Town: The Saga of Grandpa's Tractor - by The following saga is from the Tractor Talk Discussion Forum. Someone. The saga starts with the following message: Hey guys I have a decision to make. I know what you all will probably suggest and it will probably agree with me way down inside, but here it is. I have a picture blown up and framed in my "tractor room" of a Farmall M. It was my Grandpa's tractor, of which whom I never got to meet. He froze to death getting this tractor out of the barn to pull a truck out of the ditch before I was born. Anyway my dad and aunt had to sell it at the auction,
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