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The Indoor Air Quality Problem

According to the EPA

- In 2018 roughly 76 million tons of pollution were emitted into the atmosphere in the United States.

- These emissions contribute to the formation of ozone and particles, deposition of acids and visibility impairment

- Air pollution, pesticides and radon all contribute to outdoor air quality but have an effect on indoor air quality (IAQ) as well


We are an Indoor Species

- Most people spend 90% of their time indoors.

EPA studies found pollutant levels indoors can be 2 to 5 times higher than outdoors and in some instances even 100 times higher than outdoors.

- Many people are affected by poor air quality

40-50 million people are affected with allergic disorders, referencing the American Academy of Allergy, Asthma and Immunology (AAAAI)

- These disorders are ranked as the 6th leading cause of chronic illness in the U.S.

- 11 million people suffer from ASTHMA and are provoked by airborne pathogens.

IAQ in Perspective

- Each person inhales and exhales over 2900 gallons of air each day.

Dust: 250,000 dust mite fecal pellets can be in one gram (1/2 teaspoon) of dust.

- Allergies: 10% of the entire population is allergic to cat or dog dander.

- Particulates: Humans are the worst offenders. Humans shed up to 600,000 skin particles every hour.

- Pollution: Exposure to airborne contamination is considerable.

- As HVAC professionals we need make sure the mechanical system is not a source of any contaminants.


The Center for Disease Control & Prevention (CDC) has classified 3 Categories of Indoor Air Pollutants:


 1- Germs: 34% of indoor air pollutants are germs such as bio aerosols, bacteria, viruses, fungi, pathogens, and allergens.

 2- Gases: 31% of indoor air pollutants are gases such as volatile organic compounds, gas molecules, odor, and toxins.

 3- Particulates: 35% of indoor air pollutants are particulates such as organic and inorganic things like smoke, dust, pollen, animal dander, and dust mites. These are airborne particles that you don’t necessarily see but inhale anyways.


Always Remember

“The only air we can control is the air we breathe in our home”

Our Blog

An ongoing series of informational entries

Germs

March 15, 2020

34% of indoor air pollutants are germs such as bio aerosols, bacteria, viruses, fungi, pathogens, and allergens.

Mold

February 14, 2020

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Virus

January 15, 2020

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