Recent homes are built in a very compact style leaving no room space for free movement. Such homes prohibit heat loss or gain in winter and summer leading to pollution. Air purifiers are an appliance that performs the function of eliminating dust as well as contaminants from the air indoors. The contaminants like pet dander, tobacco smoke, dust, pollen, and various species of dust mite's inhabit the indoor areas leading to asthma, dust allergies, sinus, and various other ailments relating to respiratory problems.

Air purifiers are the only source to eradicate dust species and make the room dust free up to 90%. Air purifiers help in removing air borne substances or particles that are perilous to health and are beneficial especially to the asthmatics and allergic patients. As per recent study it is found that dust is more prevalent in the indoors than outdoors. Air purifiers not only help the house in keeping clean and dust free, but are of great help to people living indoors.

Air purifiers use many techniques like electrostatic, mechanical, or absorbent filters to remove contaminant particles from the air. All these techniques proclaim of creating a clean atmosphere indoors. Air cleaners are of great assistance as it can be conveniently operated without any help and it also protects people from inhaling harmful chemicals. An air cleaner should be purchased keeping in mind few things like it should be convenient and user friendly.

Air cleaners are available in three different types namely, mechanical filters, mechanical hybrid air cleaners, and electronic cleaners. Mechanical filtration safeguards the ventilation paraphernalia from dust, protects furnishings, and health. Similarly, mechanical hybrid air cleaners are a combination of mechanical filtration and electronic air cleaners, and hence they filter as well as drive out obnoxious odors like gases and vapors. Electronic air cleaners are excellent devices in getting rid of airborne particles, but are not effective in eradicating gases. These appliances are endowed with ion generators that assist in removing small and minute particles.

Purchasing an air cleaner is mandatory for every home. One should check thoroughly and find out if the air cleaner emits ozone, as inhaling ozone is very hazardous for people suffering from respiratory problems or asthma. It also affects the nose, eyes, develops nausea and various other complications.

Renting an appliance before purchasing is one of the best ways to know its results and to acquire knowledge in operating the system. Similarly, purchasing smaller unit is better as it will be portable by nature and will produce less noise. Air cleaners should be installed in the rooms where one exhausts most of his time. Air cleaners should be used keeping in mind the instructions to get better results.