Air inside the homes and offices is usually more polluted than outdoor. It is contaminated with a lot of dust, hair, pet hair fibers, dirt, mites and smoke and the sad part is we inhale them. The dirt and mold accumulated in many places like carpets is caused by bacteria and can lead to infection. The air inside also gets bad odor from foods, bacteria and mold and can lead to many respiratory problems, allergies and other diseases. A top rated air purifier is the only remedy for reducing airborne contaminants. As you search for the perfect air cleaner, you will come across different types of air purifiers, air cleaners, ozone generator, hydroxyl generators and other types of puification systems. There are mainly five types of filtration systems used in air purifiers. HEPA System: A HEPA air filter can easily remove up to 99.97% of all airborne dust, dirt and allergen particles larger than 0.3 microns from the air passing through it. Electronic Air Cleaners: The air purifiers with electronic cleaners have two stage electrostatic precipitators. The first part is a charger or an ionizer that positively charges the incoming fume, smoke, dust and other particles. These charged particles get attracted by the negatively charged plates in the second part called a collector. The clean air is recirculated into the airstream. Self-Charging Electrostatic Air Filters: Electrostatic air filters are just next to HEPA filters in performance. As the air passes through an electrostatic air filter, a natural electrostatic charge is produced between the polypropylene layers and bonded polyester fibers in these replacement type furnace filters. The electrostatic charge can attract even the minute dust and other contained its particles. Ultra-Violet Filter Systems: These filters use UV lamps that emit rays to destroy biological pollutants, including bacteria, viruses, allergens, and molds. These filters should be used in conjunction with other filtration systems. Some cleaners also use a catalyst that reacts with the light and destroys gaseous pollutants. Odor Eliminator: Activated oxygen is used as the most effective killer for odor. Some of the air purifiers also produce adjustable levels of ozone for removing all kinds of odors from food, smoke, chemicals, body, chemicals and pets by oxidizing the odors. However, high level of ozone can be an irritant to those suffering from asthma or lung diseases. Negative Ionizing: Some air purifiers have ionizers that ionize the air in rooms by sending negative ions into the air. The ions attach themselves to floating particles in the indoor air and force smoke, dust, pollen and animal dander to drop to the floor. The dropped contaminants need to remove later by vacuuming. If you are a smoker, a cigarette smoke air purifier can really do the great job of quickly removing floating cigarette smoke. However, there is no one single air cleaner or air purifier system that will keep the entire home or building free of dust or allergen. You may have to use a combination of them. If you have a central air conditioning or heating system, you can install a self-charging electrostatic air filter in the air handler unit. Use HEPA air cleaners, air purifiers in the most important areas to keep them dust or allergy free. If there is a mold problem, a non-ozone portable HEPA system with ultra-violet filter system will be most effective.
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