Guest guest Posted April 10, 2006 Report Share Posted April 10, 2006 > >This is really tragic because it is so unnecessary. With high quality >filtration, none of this contamination would take place. No AC (or furnace >for that matter) should ever be operated with a filter having a rating less >than MERV 6-8; for most of you, the filter should have a MERV rating of 11. Jeff, Thanks for that followup. I think if I bought your book I wouldn't have had to learn these things the hard way. Quote Link to comment Share on other sites More sharing options...
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