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Indoor Air Quality (IAQ) & Biological and chemical Pollutants impact

Agricultural Spraying
Air Handler Coil
How is the air quality in your home?

Infectious illnesses, such as influenza, measles and chicken pox are transmitted through the air. Molds and mildews release disease-causing toxins. Symptoms of health problems caused by biological pollutants include:

  • Sneezing

  • Watery eyes

  • Coughing

  • Shortness of breath

  • Dizziness

  • Lethargy

  • Fever

  • and digestive problems

Indoor Air Quality

How Biological Pollutants Impact our Indoor Environment: Biological contaminants are, or are produced by, living things. Biological contaminants are often found in areas that provide food, moisture, or water; many are small enough to be inhaled. They include bacteria, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen. There are many sources of these pollutants. By controlling the relative humidity level in a home, the growth of some sources of biologicals can be minimized. Relative humidity of 30-50 percent is generally recommended for homes. Standing water, water-damaged materials, or wet surfaces also serve as breeding grounds for molds, mildew, bacteria, and insects. House dust mites, the source of one of the most powerful biological allergens, grow in damp, warm environments.


Allergic reactions occur only after repeated exposure to a specific biological allergen. However, that reaction may occur immediately upon re-exposure or after multiple exposures over time. As a result, people who have noticed only mild allergic reactions, or no reactions at all, may suddenly find themselves very sensitive to allergens.

Some diseases, like humidifier fever, are associated with exposure to toxins from microorganisms that can grow in large building ventilation systems (SBS).

Symptoms of poor indoor air quality (IAQ) are very broad and depend on the contaminant. They can easily be mistaken for symptoms of other illnesses such as allergies, stress, colds, and influenza. If you notice relief from your symptoms soon after leaving a particular room or building, your symptoms may be caused by indoor air contaminants.


Schedule Now your Indoor Air Quality (IAQ) Test

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