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The aim of keeping an air purifier is to free the air from all of the contaminants. When environmental researchers highlighted the fact that the indoor air is dirtier than the outdoor air, the popularity and the demand for air purifiers soared. Air purifiers will be helpful to persons suffering from allergies and asthma and to those who want to reduce the risk of passive smoking.

Air purifiers on the market use various different techniques for purification of the air. Electrostatic charges, ionizers, charcoal and absorbents are some of the methods used to purify the air. Germicidal ultra violet light is also used for this purpose. Find more info at www.onlyairpurifiers.info

Visual appeal, noise level and filter replacement frequency are some of the factors to be taken into account when selecting an air purifier. Filters also come in many different varieties. Some of them can be cleaned by hand, water or by vacuuming. Some of these filters need to be replaced within months depending upon the usage.

Air purifiers filtering out 99.97 percent of particles of 0.3 micrometers in the air are set as the best air purifier. These types of purifiers are very expensive.

The Association of Home Appliance Manufactures (AHAM) is the agency rating the performance of various air purifiers. The indicator used is the clean air delivery rating. There is some controversy over the claim involving ionic air purifiers since these machines generate the pollutant ozone. High concentration of ozone emitted by the air purifiers can pose some threat to health.

According to the American Lung Association, the effectiveness of an air purifier depends on the unit's efficiency and the amount of air drawn through it. Look into the type of pollutants it will capture and the percentage it captures. Select a device that circulates air many times an hour. .

Besides air circulation, ensure to consider other factors such as:

-Can it move air from all corners of the room

-Size of the room

-Whether the air purifier is meant for any specific problem such as smoke or pollen.

-Adaptability to the change in needs.

Cost of an air purifier and its efficiency are not related. Recurring costs are also to be taken into account. The energy needed to run the purifier will make quite a lot of difference to the power bill. Noise can be a big problem if the air purifier is meant for use in a bedroom or in the family room, since many air purifiers use loud motors to draw air through filters.

Lucy Bartlett is a proud contributing author. Find more articles here. For more info visit Air Purifiers or Ionizers

We've all heard the predictions - Fifteen major Atlantic hurricanes are expected for 2007, five of which are predicted to impact Central Florida. Certainly, nobody yet has forgotten the four hurricanes that inconvenienced us in 2004, nor can we forget the three storms of 2005. But before we look ahead to this coming season, let's stop and take stock of the lessons we've learned from our most recent experiences and prepare our children for this year.

In 2004 and 2005, we pulled together as a community and did all the things good friends and neighbors do when the chips are down. We shared food, water, tarps, and cell phones, and we took time to connect with the strangers across the street. We reached out to those in need and made some great new friends in the process. We hunkered down, we weathered the storm, and together we cleared the deadwood.

We became accustomed to the blue tarps, and fortunately, tarp city is almost gone. So what can we do to prepare for this year? Certainly we cannot change Mother Nature. After all, few mothers allow her children to change her. However, we have now learned how to live with her. And that is the first step towards a safe season.

The good news is that most of the things five hurricanes can damage have already been damaged and replaced. New roofs, stronger windows, and better structures mean less damage. The old trees are gone and the new trees are firmly rooted in their place. Our communities are now ready to come through the storm with minimal or no damage.

Yes, were ready. We all know what we have to gather, and for the most part, we all have our storm supplies ready. Sure, there are some things we can still do. For example, we can still have our plan of where to go when the phones are out. We still need to know where the closest shelter is.

Those of us with kids should consider going to visit friends or relatives when the next storm comes. After all, what better time is there to go on vacation than when a hurricane is in town?

Weve all discovered that cell phones work during the storm, and weve all learned that if you cant call directly to a family member, then we need somebody else to calla central friend or message boardsomebody out of town who can let everyone else know were okay. Dont forget text messaging, email and SMS. Teens and even young kids with cell phones are expert at these technologies. Chaos is the only constant in natural disasters such as hurricanes. The answer to coping with the sense helplessness chaos brings is to take control of some aspect of the disaster. Even if you know how to text message, ask your kids to help you or even teach you to use these technologies.

The key to feeling safe and not worrying about this years storms is to be prepared and to have a plan. Make sure your children know the plan, have practiced the plan and can implement the plan without you. Thats right, the key to security is knowledge. After 2004 and 2005, we have the knowledge and we have the experience. And as a result, well get through this years storms far easier than we got through last years.

So when the wind blows and the rain falls this season, well be warm, dry, and hunkered down. Well play games with our kids, talk with our kids and maybe even learn something about them as people. Well hold your children close until the sun shines in Central Florida again. After all, they dont call us the Sunshine State for nothing.

Dr. Maurice A. Ramirez is the founder and president of the consulting firm High Alert, LLC.. He serves on expert panels for pandemic preparedness and healthcare surge planning with Congressional and Cabinet Members. Board certified in multiple specialties, Dr. Ramirez is Founding Chairperson of the American Board of Disaster Medicine and serves the nation as a Senior Physician-Federal Medical Officer in the National Disaster Medical System. Dr. Ramirez has a new book: You Can Survive Anything, Anywhere, Every Time. His website is http://www.High-Alert.com