Clearing the Indoor Air Myth 1: You have to get rid of pets.
All pets produce allergens, like hair and dander (dead skin cells and dried saliva). Even aquariums can produce mold if not properly cleaned. But unless someone in your household is severely allergic, you don't necessarily have to get rid of your cat or dog. Bathing a dog once a week or wiping down a cat with a wet cloth can reduce dander to bearable levels for many. At the very least, keep pets out of bedrooms and off furniture. Myth 2: Portable ion generators, also called energized-oxygen or pure-air filters, are a good way to control indoor pollution and improve air quality.
These devices work by producing ozone from oxygen. Manufacturers often claim or imply that pollutants cling to part of the ozone molecule and that purifies the air. However, according to the Environmental Protection Agency (EPA), there is no evidence that ozone removes indoor pollutants. In fact, ozone can damage lungs when inhaled in large amounts. Even relatively small amounts can cause chest pain, coughing, shortness of breath and throat irritation. Ozone can also worsen asthma. Myth 3: Cleaning air ducts will improve air quality inside a home.
According to the EPA, there is no proof that duct cleaning reduces allergens and dust inside homes. Improper cleaning can actually increase levels. Nor is there any evidence that a small amount of dust in air ducts is a health risk. However, insulated ducts that get wet should be replaced. Only ducts that are visibly clogged with an excessive amount of debris or dust or infested with rodents or insects, or those with substantial visible mold and mildew, should be cleaned.
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