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KF Etzold wrote: > > I had sent this directly to gcornwel.erol.com but it got bounced back. So, even > though it fairly specific, maybe other people are interested. > K-F Etzold > > Clean Air: This is something needed in an some industrial environments and > usually involves building "Clean Rooms". Clean rooms are common in > semiconductor and disk drive manufacture where particles cause defective > devices. These rooms are typically specified by class, say class 100, for the > degree of filtering used. The finest filters will also remove bacteria. The > kind of filters which are used are called "HEPA" filters which stands for High > Efficiency Particulate. Typically clean rooms are built with special walls and > floors which do not emit particles and which are easy to keep clean. Typically > it is also desirable to have a special air flow pattern which requires a > perforated floor. This would be questionable for aestestic reasons in a > residence. Also the cost is outlandish but clean air can be had. Of course, one > can always scale down to say class 1000 or lower but you have to decide how > much is enough (cost and aesthetic considerations). > Any questions ... contact me. > K-F Etzold > [log in to unmask] I somehow missed out on the orginal question-if this is a home -there are vacuum cleaners with hepa filters (I don't sell anything) -IF it is a home and you don't want industeral clean rooms-I have had a lot of personal experience with manageing sever allergies-IF you want some simple (relatively) please write me and tell me the circumstances-you mentioned a new house -I can tell you some things to do and some not to do. Nita Andres [log in to unmask]