Air purifiers have become rather popular today as a way to help people with allergies control their indoor environments, and to filter both indoor and outdoor pollution. The proper air purifiers can make your indoor home or office environment healthier, but there are several types of air purifiers, and you need to know the difference when you plan to purchase one. The following information will help you make the right choice when looking for an air purifier.

Types of Air Purifiers

There are essentially three technologies that purify air: HEPA filters that trap the smallest of air particles; Ionization which cleanse air by emitting a certain percentage of ozone, and electrostatic air purification which has charged plates that have positive and negative polarity. Air purifiers can use a combination of HEPA filters, with a pre-filter that begins capturing particles even before they get to the HEPA filer. Ionic purifiers have been discouraged by some sources because the ozone emissions may affect people with allergies and asthma, something an air purifier is meant to avert.

Within these three types of purifiers, there are subtle deviations among models and different sizes and features. Air purifiers can be comparitively small, designed to sit on a desk in an office, or be quite of large stand-up models for purifying air in a large room or rooms.

Air purifiers differ in the amount of allergens and other air impurities that are removed from the air. Many boast that they remove from 98% to 100% of impurities, while others remove around 80% to 85%. Some air purifiers are filterless, while others work with filters that trap the pollutants within the filter. Some air purifiers do their task with a fair amount of noise, while others boast a silent system of purification. Some air purifiers wipe out a host of pollutants including allergens, viruses, bacteria and odors, but don’t eliminate chemical pollutants. Others cover all types of pollutants.

Price

Good air purifiers could be relatively expensive, depending on size and features. Air filters start at around $60 for a simple, relatively small table top air purifier, and go up to $700 for large floor models. The price will also vary based on the technology used to purify the air, and the percentage and type of particulates that are ultimately trapped by the technology. You can view a full line of air purifiers at www.wize.com/airpurifiers.

Designs

Air purifiers differ a lot in design. There are air purifiers made of different materials, colors, shapes and sizes. There are stand-up and portable models. If you will purchase a rather large standing model that will have the ability to cover a large area, you will want to choose a model that is not only safe and effective, but that will go with your room environment. Visit www.wize.com/airpurifiers to view all of the diverse models and designs.

Where to Shop

It may be difficult to find a large selection of air filters in stores. Some specialized stores, such as the Sharper Image, may have a selection, along with large department stores. It is easiest to shop online to see the complete line of air filters available, and understand the different features. You can also comparison shop online to get the best buy.

Ratings

It is very important to check ratings and reviews of air purifiers because each model has a different technology for removing pollutants, and some air purifiers are more operational at removing more pollutants. The powerful consumer resource, www.wize.com/airpurifiers , will give you an overall rating on each air purifier model that is based on numerous individual reviews. You can also read the specific reviews behind the score.

Technical Specifications

Technical specifications will vary greatly among air purifiers. Technical specifications for a mid-priced ($200) standing air purifier may consist of maintenance free – with no filters, no fan speeds, and no controls. It will cover a room size of 450-650 square feet. A $400 model may have an internal ionizer, HEPA carbon filter that will last 6 months; a low noise level; four fan speeds; manual control knobs, and clean a room up to 365 square feet.

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