Air Purifiers – Increase The Air Quality In Your Home By 50%.

By Janie S Manne

Air Purifier: The definition of an air purifier is a machine whose sole purpose is to remove contaminants and other impurities from the air in any building. Scientists have proven that sufferers of asthma and those with reactions to air-borne allergens can unreservedly benefit from pure air in their immediate environment. The following is valuable information for those who are considering purchasing air purifiers.

Who will Benefit Most from Air Purifiers?

Benefits vary from person to person but in particular those that are sensitive to allergens – for example dust, pet dander, pollens, mould spores, dust mite faeces and even smoke particles. A good air purifier will reduce house cleaning due to high levels of dust removal from the air. Energy use and electromagnetic radiation emissions are minimal and completely safe.

Which Type of Air Purifier is Right for Me?

Different air filters do different jobs so it’s paramount that you understand your personal air purifying needs. Where you need to filter out large particles in the air, then a HEPA filter would be your first choice. These can remove over 99% of 0.01 to 0.3 micro-metre particles. They are, however, unsuitable for particles less than 0.01 micro-metres. Use a pre-filter before the HEPA filter for when you need to eliminate very fine particles.

If your air particles are of 0.3 micro-meters or above the these are best removed with an HVAC at MERV 13 or greater. Volatile chemicals and pungent odours are best removed by activated carbon filters. Follow this up with a HEPA filter to arrest the smaller particles. Use photo-catalytic oxidation (PCO) – to eradicate moulds, bacteria and viruses. These are often integrated with HVAC systems.

Ionizer air purifiers operate with charged electrical surfaces to bond to air impurities. These are very effective for large size homes, however, they do emit small amounts of ozone which is environmentally unfriendly so they are much less popular. A further suggestion for larger full size houses are Ozone Generators – these are excellent for removing strong odours that are not easy to remove with other types of air filters. They generate large amounts of ozone gas and are only suitable in unoccupied properties.

What to Look for When Shopping for an Air Purifier?

Check to ensure that the air filter does not emit any hazardous gas by-products, listen to how quietly it operates, check how regularly you need to replace the filters, monitor power consumption and make sure the unit is visually appealing. Most air purifiers generate very low levels of ozone gas and, with excluding Ozone Generator filters, are reliably safe to use. Do not buy an air filter that is described as HEPA-type, HEPA-like or 99% HEPA as these are not the genuine article.

U S Consumer Reports fully recommends air purifiers, air cleaners or air filters for use in any property – ultimately where there are people who suffer from allergies or asthma. If you wish to read further information on this topic then I wholeheartedly recommend the U S Environmental Protection Agency and its Science Advisory Board e-book called Indoor Air Quality.

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