Types Of Allergy Vacuum Cleaners: Part 1

Conventional vacuum cleaners
Vacuum cleaners usually suck air through a standard filter bag before pumping it back into the room. The bag collects only the largest particles of dust, allowing the rest, including allergens, back into the room.

Higher-grade filter bags can be used instead of standard types. These are available for many brands of cleaner and they do trap small dust particles more effectively. However, unless they are HEPA filters, which can filter out mite allergen and cat dander, they will not be effective for all allergic conditions. Check first that your standard vacuum cleaner is powerful enough to suck air through the close-set fibres of the HEPA filter bag.

HEPA-filter vacuum cleaners
Many modern vacuum cleaners are now fitted with HEPA (high-efficiency particulate air) filters - special filters that capture almost 100 percent of mite allergen, pollen, and cat dander - most of which are suitable for people with allergies. Some of these models are expensive, so seek advice from your doctor, allergy association, or consumer organization before deciding on the model most suitable for you. Even HEPA-fulter vacuum cleaners stir up some dust when in use, but the suction around the outside edge of their brushes produce far fewer airborne particles compared to the amount thrown up by conventional cleaners. In addition, revolving brushes (as used in a "turbo head") are more effective at collecting allergens from cut-pile carpets.



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