The most effective approaches to improve your indoor air quality are to minimize or remove polluting sources and to ventilate with clean outdoor air. Furthermore, research indicates that filtration can be a great alternative to source control and ventilation.

IAQ can be improved by using a portable air cleaner and/or the air filter in a central furnace or central heating, ventilation and HVAC system. Portable air cleaners, well known as air purifiers or air sanitizers, are useful for filtering the air in a single. The clean air delivery rate (CADR) which is a metric for delivery of essentially clean air given in cubic feet per minute. Filters for central furnaces and HVAC systems are designed to filter the air throughout a home rather than just in a single space. Minimum Efficiency Reporting Value (MERV) ratings are useful for abstract comparison of products ranging from MERV 1 to MERV 16 based on the average removal efficiency across three particle size ranges.

Two important tips for air filtration are:

        No air cleaner or filter can remove all of the pollutants in air. It is important to note that most filters are designed to filter either particles or gases. As a result, many air cleaners have two filters, one for particles and one for gases or use a lot of adsorbents or chemisorbents medium, to filter both particles and gases.

        All filters must be replaced on a regular basis. If a filter is unclean and overloaded, it will not function properly.

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