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What’s in Your Ducts?

An air duct system in a home or office provides recirculation of not only air, but particles that float in the air. These particles consist of dead skin cells (humans and pets) fragments, pollen, carpet fibers, fiberglass fibers, carbon based particulate, mold, bacteria, etc…. Once

Tampa 10/2/2011 9:10:00 AM

According to the EPA, most Americans spend up to 90% of their time indoors. No wonder people are concerned with the quality of the air we breathe when inside buildings. Pollution levels are often higher indoors than outside. The EPA estimates that the indoor levels of many pollutants are 2—5 times higher, and on occasion, 100 times higher than outdoor levels. Because of this, the EPA ranks indoor air as one of the top five environmental threats to human health.  Where do all these contaminants come from?

Airborne Contaminants:

An air duct system in a home or office provides recirculation of not only air, but particles that float in the air. These particles consist of dead skin cells (humans and pets) fragments, pollen, carpet fibers, fiberglass fibers, carbon based particulate, mold, bacteria, etc…. Once build-up occurs in the dark, temperate and moist environments of an air handler and associated ductwork the risk of mold/bacteria growth increases exponentially.

Every time the fan motor turns on for heat or cooling, it agitates a portion of the contaminates on the surface sending them back into the breathing zone of the office or home.  Your HVAC system is designed to change the air every 15 minutes.  For example: a 3000 square foot home or office with 8 foot ceiling has 24,000 cubic feet of air.  Every hour 96,000 cubic feet that can become potentially displaced with airborne containments.

Indoor environmental studies show that a typical indoor environment has as many as 850 mold spores per cubic meter, 20 pollen spores per cubic meter and 30,000 opaque particles per cubic meter.  This is an alarming number considering that we spend 90% of our time indoors.  With the alternating high and low humidity conditions which regularly occur in air conditioning air handler and associated ducts during air conditioner operation, mold and bacteria will grow, spread, produce spores and distribute the spores throughout a home or office. Mold, bacteria and other ubiquitous allergens contaminate the air conditioning system which can pose serious health problems.

Occupant Symptoms:

Occupant symptoms relating to poor indoor air quality (IAQ) may include: sneezing, wheezing, headaches, lethargic, respiratory irritation, eye irritation, coughing, asthmatic episode, etc…Many times the foreign allergens causing allergy type symptoms are a direct result of the invaded HVAC system.

In a recent environmental study, over 560,000 colony forming units (CFU)/gram of Pseudomonas sp were isolated from deep within the evaporator coil system.  With an average of 10 pounds of debris removed in a typical coil that would equate to over 2.5 trillion CFU in one typical 75 ton evaporator coil system. Potential aerosolization of these micro-organisms from the infested coil is immense due to a discharge of air stream with 6 miles/hours (commonly observed) across the evaporator coils.

Therapeutic Benefits of HVAC Cleaning:

According to the National Heart, Lung and Blood Institute (NHLB) “it is desirable to identify and remove common allergens and modify the home or office to reduce the level of ubiquitous (common) allergens.”  Cleaning out the accumulation of nutrient rich material in your air ducts is an essential strategy for maintaining good indoor air quality in your home or offices providing marked therapeutic benefit for the home and/or office occupants.  In addition to the professional cleaning of the ductwork environmental cleaning of the air handling units with specifics on the evaporator coils.

A revolutionary program called PURE-Steam Coil Cleaning, a chemical free coil cleaning process, provides a safe and effective cleaning process designed to save energy and create a healthy learning environment for students, school staff and visitors.

As a part of Charlotte County School Districts initiative they have contracted with Pure Air Control Services a national leading indoor environmental contractor with over 25 years of building IAQ experience.  Because the PURE-Steam Coil Cleaning program is totally GREEN (NO CHEMICALS) students, school staff and visitors don’t have to worry about potential dangerous chemicals or Volatile Organic Compounds (VOC) entering into the air or water system.

Don Terry, Manager of HVAC Maintenance with Charlotte County School District noted that “not only are we saving energy, but we are creating a healthy learning environment for our students and faculty.”

Contact the Building Remediation Scientists at Pure Air Control Services for a professional evaluation of your buildings or homes IAQ and/or evaporator coil condition at 1-800-422-7873.

About Pure Air Control Services, Inc.

Alan Wozniak founded Pure Air Control Services, Inc. in 1984 as a small mechanical contracting firm. Today, the work distributed from its offices in Tampa, Atlanta, West Palm Beach, Houston and Washington D.C. sets the industry standard for indoor environmental quality diagnosis and remediation.

Pure Air’s nationally performed services include: Building Sciences Evaluation; Building Health Check; an AIHA accredited Environmental Microbiology Laboratory; Environmental Project Management; and Mold Remediation Services, among other indoor environmental services. The company’s expanding client roster includes the General Services Administration (GSA); Allstate Insurance; Carrier Air Conditioning; Naval Air Warfare Center, Orlando; and Naval Air Station - King's Bay, Georgia, and many other Fortune 500 companies, school boards, and city, state, and county governments, making Pure Air Control Services the reliable industry leader.

For more information on Pure Air Control Services, Inc. please contact Cy Garner at (800) 422-7873 xt 804, or visit www.pureaircontrols.com.

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IAQ Test Kits (DIY), PURE-Steam Coil Cleaning and PURE-Decon Room Treatment Showcased at the Annual FRACCA Conference

This annual event provides an opportunity for licensed contractors throughout the State of Florida to obtain all 14 state-required hours of continuing education over the course of the two-day event.

Released On: 3/8/2014
Views: 4071

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Free Legionella Webinar: Detection & Identification Workshop

Although this type of bacteria was around before1976, more illness from Legionnaires' disease is being detected now. Due to consumer awareness, added research and technological advances in healthcare Legionnaires disease identification is becomi ...

Released On: 3/4/2014
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Why Some High-Performance Buildings Are Failing?

Performance of a building depends on its structured integrity, preventive maintenance, as well as periodical monitoring of the environmental conditions essential for its functionality.

Released On: 2/19/2014
Views: 3902

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Legionnaire’s – What You Should Know About The Potential Deadly Bacteria

According to Building Operating Management magazine, expert Victor Yu, MD, Professor of Medicine, University of Pittsburgh; Chief, Infectious Disease Section, VA Medical Center, Pittsburgh, PA, disclosed that “Up to 70% of all buildings greater t ...

Released On: 2/18/2014
Views: 3473

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Managing of Indoor Environments: Problems and Solutions - IEQ WEBINAR


Released On: 1/22/2014
Views: 3364

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Save Energy and Improve Indoor Air Quality (IAQ) with PURE-Steam Deep Coil Cleaning

High efficiency coils are extremely susceptible to blockage from dust accumulation because once lodged deeply within the fins bacteria and mold may initiate growth, which not only compounds the blockage problems but also gives rise to excessive o ...

Released On: 1/8/2014
Views: 6114

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January is National Radon Action Month

Exposure to radon is the second leading cause of lung cancer after smoking. Radon is an odorless, tasteless and invisible gas produced by the decay of naturally occurring uranium in soil and water.

Released On: 1/8/2014
Views: 3791

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Why indoor air quality is important to all of us?

World Health Organization (WHO Guidelines for Indoor Air Quality, 2009) concluded that the most important effect is increased prevalence of respiratory symptoms, allergies and asthma, as well as perturbation of the immunological systems

Released On: 12/31/2013
Views: 3807

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Pure Air Control Services Launches New Interactive Website

The website is a true indoor environmental resource for the private and public sector including consumers, educational facilities e.g. schools, universities, along with city, county state and federal governments, healthcare and the public sector.

Released On: 12/20/2013
Views: 2863

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Pure Air Control Services Awarded Certification from Doctor Trusted

“We are very proud to have been given the opportunity to display that we are a Doctor Trusted recipient. We will continue as always to help provide our customers with a great products and services,” stated Dr. Rajiv Sahay, environmental analytica ...

Released On: 12/11/2013
Views: 3802

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IndoorAirTest.com Receives Seal of Approval by Doctor Trusted

IndoorAirtest.com is very proud to have a Doctor Trusted seal of approval displayed on our website, giving our customers more confidence when shopping with us.

Released On: 12/4/2013
Views: 4209

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PURE-Decon/Sanosil, Reduces Sick Days Caused by Infection


Released On: 10/2/2013
Views: 3158

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Controlling Asthma & Allergy Triggers Through Source Identification

The assessment of allergens in a house dust sample is an essential step for allergen-avoidance and provides information essential for allergen-reducing measures, in addition to managing the indoor environment from a health and hygiene point of view

Released On: 9/18/2013
Views: 5234

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Hospitals Get a “Clean Bill of Health” with Innovative IAQ/Energy Solutions

Healthcare-associated infections (HAIs) are infections that patients acquire during the course of receiving healthcare treatment for other conditions.

Released On: 7/31/2013
Views: 4270

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How Safe is Formaldehyde in our Buildings and Homes?


Released On: 7/17/2013
Views: 4519

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Commercial Energy Solutions Seminar July 26, 2013


Released On: 7/11/2013
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Health Risks Associated With Indoor Microbes

Some common and frequently reported microbes of the indoor environment include, but are not limited to, viruses, bacteria, mycoplasma, mold (fungi), yeast, protozoa, etc.

Released On: 6/26/2013
Views: 5768

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Aspergillosis: A Cause for Indoor Concerns?

In indoor environments, this fungus can be transported from outside or may propagate on building materials such as cellulose rich sheet rocks, etc. and can generally be isolated from floors, carpets, mattress dust, Heating Ventilation Air Conditi ...

Released On: 6/19/2013
Views: 10326

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Pure Air Control, Services, Inc.

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Pure Air Control, Services, Inc.

  • 4911 Creekside Drive
    Clearwater, Florida 33760
    United States
  • 1 (800) 422-7873