What causes allergies and asthma in my home?

The most common indoor/outdoor allergy triggers are: tree, grass and weed pollen; mold spores; dust mite and cockroach allergen; and cat, dog and rodent dander.

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More Americans than ever before say they are suffering from allergies. It is among the country’s most common, yet often overlooked, health issues.

Asthma & Allergy Control

Allergies are a common health hazard connected with elevated levels of indoor humidity. The immune system in our body reacts with allergens around us and develops undesirable symptoms. Dust mites, mold, and mildew are among the most common allergens that cause allergies.

dust mites

Dust Mites

Exposure to house dust containing mite allergens causes sneezing, nasal stuffiness, runny nose, itchy, and watery eyes. Exposure to allergens such as dust mites can trigger asthma attacks in some individuals.

House dust allergies are particularly important to control because the symptoms are year round rather than seasonal like pollen allergies. Research has shown that reducing mite allergen levels in homes can lead to an improvement in allergic symptoms and a reduction in medication requirements.

Dust mites are of microbial length. They live in temperature range of 59°F to 95°F and a relative humidity above 55%. They are found primarily in carpets, fabric upholstery, and mattresses.

Due to their inability to drink water, it is important for them to stay in moist areas to absorb humidity.

If the indoor humidity is kept below 50%, dust mites cannot survive.

mold

Mold

Mold is a fungus that feeds on organic substances and survives in moist conditions. Besides causing allergies, they emit harmful chemicals such as VOCs (Volatile Organic Compounds) and mycotoxins.

Health hazards related to mold are coughing, wheezing, running eyes/nose, skin rashes and muscular aches, loss of appetite, inability to concentrate, and fatigue.

Keeping the relative humidity levels low is the only way to actually eliminate mold growth in a home.

About Dehumidification and Allergies

According to the Asthma and Allergy Foundation of America:

Allergies are the most frequently reported chronic condition in children, limiting activities for more than 40% of them.

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The Inside Story On Humidity & Fresh Air

Clear The Air
With Teddy Bear

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Ask This Old House’s Richard Trethewey helps New Orleans homeowners solve high humidity issues in their 1940s-era raised basement home.

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Did You Know?

Ultra-Aire dehumidifiers provide superior indoor air quality through fresh air ventilation and humidity control

Lowering your AC to dehumidify your home can cause condensation resulting in mold.

Ultra-Aire dehumidifiers help reduce the risk of serious health issues through filtration, ventilation, and moisture control.

Overcooling your home to control humidity will make you feel uncomfortable and raise your utility bill, and what do you do in spring and fall.

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