Hello Tmsorosk, I wish it were that simple for me. But the big issues for the wife and I are during the summer, when it "bakes" for 4 months solid, we cannot survive with any leval of comfort if we don't run our A.C.-it's an absolute MUST. I don't know about you, but I can't function comfortably once the temperature INSIDE my home rises above 80 degrees Farenheit. It's just too friggin' miserable...and I sweat like Mike Tyson at a spelling bee!! During our sweltering summers it consistently gets 100 degrees or hotter where I live. Some days the mercury will rise to 110, 113, and it's been known to hit 116 degrees. That's brutal. So leaving doors and windows open during the day is simply NOT a viable option. If we run the A.C. all day and night, (which we often do), our electric bill goes right thru the roof. Not at all uncommon to have $1800, $2000, or higher bills per month. It's a killer man! And it cuts into my C.D.,Vinyl, Beer ,& Cigar money! Can't be having that. SO at night when the temp. drops, we open up windows and screen doors, kick on the "whole house" fan, and turn our ceiling fans on high. It works ok, circulates the air, (and all the ebee-geebees from outside too), and the house cools down to an "acceptable" temperature. Like 78 degrees Farenheit. If I didn't run my A.C. during the day, my interior house temp. would very easily hit 95 degress. NO SHIT! It's happened before. I ain't having that! My "whole house" fan, in conjunction with open windows and screen doors, and all the ceiling fans on-is effective at cooling things down but is a BIG CULPRIT when it comes to all the outdoor filth that makes it's way indoors. That's always a problem, always has been. So what to do? Run the air and sell off our first born?, and our gold teeth in order to pay the bill? Or use the "natural" elements, aided by fans, to pull the heat out? Clearly we cannot control what mother nature stirs up outside, nor can we stop farmers from tending to their fields and orchards, so we clean, clean, clean constantly! It sucks man! I have this kick ass dedicated listening room with great gear, killer speakers, artwork all over the place, and it's always so damb dusty. Bums me out. Never was AS big of a problem until recently when I got a brand new pair of MBL 101e Mk2 Radialstrahlers. Paid a small fortune for them. Love em. In no time flat they began to look terrible. All dusty and dirty. They are kind of a pain to clean too. Takes a lot of time and you have to be very careful not to do damage to the (orbs) driver elements, or the high gloss paint finish. I had custom covers made that worked well but are a pain to put on/take off. I am disabled and do not work, so I am home all the time. That allows me to listen to alot of music...all the time! It's really groovy to be able to do that. I love it. My audiophile buddies are jealous as hell and wish they could "immerse" themselfs in TUNEAGE the way I do. SO THAT'S MY STORY, and I'm stickin' to it! Now I am needing to install & employ some kind of TOTAL air filtration/circulation system. Hence, the reason for my starting this thread. Got some good ideas so far. Still looking for more input, and still gotta do more research into different "systems" before making a purchase, or installing anything. Elizabeth suggested those free-standing HEPA filters by HONEYWELL. I plan to buy several of them for starters. They are not terribly expensive and can be moved around as needed. As for moving out of the area, or out of my home? That's NOT an option as we like the area. HATE the friggin' climate during the summer with a passion. So thanks to everybody who has contributed so far. Will keep you all updated as this process moves along. Peace.