What You Need to Know About IAQ & Air Filtration

By jairadmin
In September 12, 2017
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Indoor air environments and its effects on health are complex. Understanding the importance of indoor air quality (IAQ) can help you improve both short and long term health.

The Johnson Air Team answers some common, important questions around air filtration and IAQ, so you and your family can breath high-quality air while improving the performance of your HVAC system.

What is IAQ and Why Is It Important?

Indoor air quality, or IAQ, refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants (1). Poor IAQ is linked to many health symptoms including:

  •    headaches
  •    fatigue
  •    concentration issues
  •    nose, throat, eye or lung irritation
  •    asthma
  •    viruses
  •    mesothelioma  

Keeping your indoor air clean with the correct ventilation helps prevent health complications and is linked to a longer lifespan of HVAC equipment.  

What Causes Poor IAQ?

There are many factors that affect the IAQ in indoor environments, including poor ventilation or lack of outside air, outdated HVAC equipment, temperature control issues, or nearby remodeling or construction. In short, your IAQ is unique to your environment. Depending on the location, outdoor temperatures and humidity can increase the number of contaminants infiltrating indoor space; the more contaminants in your air, the poorer the IAQ.

How Do I Improve IAQ?

Correct ventilation and clean air filters are essential for healthy IAQ and can prevent expensive repairs in the future.

Correct Ventilation

Assessing whether your home has correct ventilation can be quite complicated, especially when considering the unique factors determined by outdoor/indoor environments and HVAC systems. It’s important to hire a certified professional with in-depth knowledge of IAQ and ventilation systems.

At Johnson Air Systems, we care. Our NATE-Certified technicians provide precise ventilation assessments and cost-effective remedies to ensure our IAQ services are trustworthy and of the highest quality.

SCHEDULE APPOINTMENT WITH JOHNSON AIR TECHNICIAN

Air Filters

Air filters should be replaced no less than every three months for optimal system performance. Since your IAQ is unique to your environment, there are many scenarios where air filters should be changed more frequently. Typically, you should change the filter every month if:

  •    You have pets
  •    You smoke indoors
  •    You typically run your unit 6-12 months out of the year
  •    Someone in your home has allergies or a respiratory condition
  •    You live in a windy or wildfire prone area
  •    You have a fireplace in use

What Are the Risks of a Dirty or Clogged Air Filter?

Air filters remove dust, debris, pet dander, pollen and other particles from the indoor air you breathe and prevents airborne particles from entering the system and jamming up the machinery. If you leave your air filter dirty for too long, toxins, allergens, and debris will build up around your HVAC, circulate back into the indoor air and cause your HVAC system to work harder. It also can cause a system pressure drop, reducing air filtration and lowering IAQ.

Moisture gets easily trapped in a dirty or clogged air filter, causing indoor mold and mildew issues. Mold and mildew present serious health issues and compromise your HVAC system with moisture damage.

Remember your indoor environment is unique to your location, type, and condition of your HVAC equipment and lifestyle. Clean air filters and proper ventilation are the most important HVAC components affecting IAQ. You can prevent poor IAQ from disturbing the health and comfort of your home with a ventilation assessment from a trusted, certified technician and regular system maintenance.

Contact Johnson Air Systems to determine a maintenance plan that is unique to your environment.

IMPROVE YOUR IAQ AND VENTILATION TODAY

Resources
  1.    Environmental Protection Agency. Introduction to Indoor Air Quality. Retrieved 9 Sept. 2017 from https://www.epa.gov/indoor-air-quality-iaq/introduction-indoor-air-quality

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