Air Filters & Purifiers May 2004 Hello: I want to purchase an air purifer and was looking at the kinds that are installed in the HVAC system rather than the large, boxy units that I don't have the space for. My husband, baby and I all suffer from pollen and dust mite allergies, these are our primary concerns for wanting an air purifier. Bacteria, virus and odor are secondary concerns. Can anyone recommend a good and effective system? There are so many. The one I'm looking at uses Ozone to clean and kill allergens (sol-aire). You can post to this newsletter or send me email directly. jessica [no replies received] Mar. 2004 I would like recommendations for effective room air filter systems for living room (24 x 12 ft) and bedrooms (11 x 13 ft). The house we live in attracts more dust than other houses I have lived in. We don't have central heating, have good ventilation and all new dual pane windows. I was thinking about an ozone filter because it doesn't require filters, but I just read that ozone damages respiratory tracks.

Want something that is not huge, is quiet and economical. Barbara [no replies received] Feb. 2004 Re: White Noise We use our air filter for this -- it screens out miscellaneous noises and it helps reduce my husband's snoring in the springtime (yay!) without drugs. I would suggest going somewhere where they stock them and plugging them in and listening to them before buying. I saw one at Costco yesterday, we bought ours at Osh (3 or 4 years ago) and I have also seen them at Sears. Sara Feb. 2004 Re: White Noise We used a hepa air filter which we bought online (originally to keep the air clean when I was pregnant while we were remodeling the house.) We found it created white noise and cleaned the air for her fragile repitory system. We have a dog and two cats so it was a great way to remove the fur from the air. She's outgrown it now (8 months) but we used it constantly when she was very tiny. Who knows if it made a difference? But I figure anything that is done routinely to help signify ''sleeptime'' is useful for them.

You can buy little ones that aren't as expensive. They also sell machines that produce ''white noise'' -- I think you can get them at Target. anon We had the same issue in our small, not sound-proofed house. We find our air filter on medium does the trick. I think we bought it online (hunter brand) but Berkeley vacuum sells them as well. For travel we use a sharper image noise maker/alarm clock on white noise setting. It's not as white noisy as the filter but it definitely does the trick on the road and is quite lightweight so you could try that first before investing in a filter and finding out your daughter hates the sound. what is mass air flow cleanerWhite noise lovers How about a HEPA air filter...white noise plus delicious air to breathe... we use one despite the noise, because its so good for filtering out allergens and dust. air purifier for vent

Heather Jan. 2003 I live near the freeway and am looking into buying an air purifier. Do any of you own a Surround Air purifier? Angela EL Foust makes good air purifiers. /catalog/search_results.asp?txtsearchParamTxt==31=ALL=1=ALL=ALL=fromSearch=6=9 It is small enough to move from room to room. Most of the good purifiers are too large. Basic air filter specification begins with selecting filter dimensions to meet airflow requirements and size constraints, then selecting a media configuration to meet performance and industry requirements. best ozone free air purifiersHowever, design improvements may be necessary to meet the challenges of the most demanding applications. Engineers and designers can further optimize filter design by relying on Universal Air Filter Company’s expertise with thousands of custom applications. Keep these tips in mind for the next application to further enhance design. Many designers know that larger filters allow for greater airflow.

But did you know that thicker media allows for better depth-loading and longer operating life? Using thicker media with a lower porosity rating (PPI) can increase dust loading and filter operating life compared to a thinner media with a higher porosity rating. By adjusting the porosity rating, the thicker media can be configured to maintain the initial resistance and dust arrestance of thinner media options. Integrating filters into an enclosure design can help reduce overall assembly cost by replacing components such as bezels or faceplates to reduce the number of purchased parts.  With custom sheet metal capabilities and metal finishing options, an air filter can be integrated into an enclosure design to replace bezels, faceplates, or mounting brackets while matching the design athletics and performance of other purchased parts. Gain additional surface area for greater airflow and dust holding using pleated filter media or multisided “box” style filters.  Moving from a flat rectangular panel filter to a pleated media or multisided filter can increase airflow area when the filter footprint is limited and additional airflow is required.

Use 3D CAD design templates to simply design process: UAF offers free 3D CAD downloads for custom parts along with datasheet/drawing downloads for fast and easy design specification.  Download custom generated 3D models to review fit within an enclosure. Downloaded models can be further modified to include complex features such as mounting holes, handles, and other features before requesting a made to specification, free prototypes. Using multiple media configurations within a single filter assembly allows for larger particles to be captured in the lower efficiency media before the airflow moves to the higher efficiency media used to capture smaller particles. This helps to eliminate rapid pressure drop increases associated with higher efficiency media.  Relatively open 10 PPI or 25 PPI media can be used to capture larger dust and dirt while higher efficiency 45 PPI or 60 PPI media captures the fine dust further downstream. The dual stage filter helps prevent face-loading the dust which blocks off airflow and quickly increases the pressure drop.

Filters are more than dust catchers – Air filter media solutions often meet industry requirements besides dust filtration. UAF products have proven to prevent water ingress, meet industry safety guidelines such as arc fault requirements, function as an opacity shield for security applications, as well as other requirements not directly associated with air filtration.  UAF products help designers meet a variety of challenges using standard filter media. UAF also provides products in addition to air filter products including EMI shielding solution and PyroCide fireblocks. Thermal design is just one of the issues that engineers must address when specifying an air filter. Filter installation and removal can also pose unique challenges for many applications. UAF has developed a variety of solutions to meet the unique requirements of any unique application.  Fasteners ensure that the filter stays securely mounted during operation, handles and tabs allow easy removal after installation, foam and rubber gaskets help prevent air bypass or water ingress by providing a secure fit between the filter and enclosure, and specialty features such as hinges or brackets can be integrated into a filter to solve unique challenges.