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What Causes Poor Indoor Air Quality?


Written on March 15, 2023.

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Positive indoor air quality

Maintaining positive indoor air quality is important for a variety of reasons, such as your health and home comfort. Many experience seasonal allergies due to pollen and other sources, and indoor pollutants typically make symptoms worse. To be able to improve your home’s air quality, it is helpful to know what pollutants are impacting your allergies. In this blog, we discuss indoor air quality in Redlands, CA and common home allergens.

Why Is Indoor Air Quality Important?

Indoor air quality refers to the condition of your home’s air whether negative or positive. Many homeowners are unaware of the potential pollutants they are breathing in their home and how the allergens could be affecting their bodies. Not only does poor indoor air quality risk your health, but it can also cause discomfort and damage to your home depending on certain factors. While air quality is measured by pollutants in the air, it is also related to humidity levels. Too much or too little humidity can have negative impacts such as mold growth, which adds another pollutant to your home’s air. However, the technicians at AC Plus are here to help with our various indoor air quality services in Redlands, CA and surrounding areas, such as:

  • Air Quality Testing
  • Air Purifier Installation
  • UV Light Installation
  • Humidifier & Dehumidifier Services
  • Air Scrubbing
  • Duct Cleaning
  • And more!

Common Indoor Pollutants In California

Did you know that indoor air is often more polluted than outdoor air? This is often due to lack of ventilation inside homes. It is important for homeowners to be aware of the common indoor air pollutants they could be breathing inside their homes. Below we have listed common indoor air pollutants in the state of California according to Los Angeles Public Health.

  • Tobacco Smoke
  • Combustion Pollutants
  • Formaldehyde
  • Lead
  • Pesticide
  • Radon
  • Asbestos

How To Improve Indoor Air Quality

Many spend a large part of their days inside their home, whether you are sleeping, working, or escaping the uncomfortable winter and summer temperatures. This means some homeowners and residents are breathing their home air for 8+ hours. With that being said, do you know exactly what you are breathing and how it is impacting your health? Taking proper steps to improve your home’s air quality is necessary to keep you and other residents in your home healthy, especially during allergy season. Below we have listed four ways to improve indoor air quality in Victorville, CA and surrounding areas.

  • Perform Air Quality Testing
  • Install Beneficial Air Quality Devices
  • Regularly Change Air Filters
  • Schedule Duct Cleaning

Perform Air Quality Testing

It is important to know what allergens are floating throughout your home, because it can help take action to remove negative pollutants. At AC Plus, we offer indoor air quality testing in Victorville, CA and a variety of surrounding communities. Indoor air quality tests measure the air for specific allergens, such as mold, radon, and other pollutants. Depending on the space, our team will use a variety of tools to identify which allergens are floating throughout your home and negatively impacting your health. It is helpful to narrow down the pollutants inside your home, because our professional technicians can proceed with the best solution to improve air quality. Give us a call to schedule indoor air quality testing for your home this spring!

Install Beneficial Air Quality Devices

Once we have performed an indoor air quality test and identified which allergens are inside your home, an AC Plus technician will likely suggest a home device to benefit air quality. Below are home devices that can help improve indoor air quality.

Dehumidifier: If your home has allergens such as mold, it could likely be due to high humidity. Mold and mildew thrive in warm and moist environments and could be growing due to the humidity levels inside your home. Dehumidifying systems work to remove excess moisture in your home to protect your health and personal items. Too much moisture can affect electronics, books, and wood flooring/furniture.

Humidifier: Your home should remain between 30-50% humidity to keep you healthy and your home protected from damage. Homeowners often believe humidity is solely a hot and sticky feeling, but humidity is actually necessary for good indoor air quality and comfort. Due to Victorville, CA and surrounding areas being mostly a dry, desert like climate, many homes can lack moisture. Humidifying systems add moisture back into the air to benefit your health and prevent symptoms such as cracked skin and dry throats.

Air Purifier: Air purifiers work to remove pollutants from the air and keep your home healthy. The device pulls in unwanted pollutants, runs them through a filter, and produces purified air back into your home. While air purifiers can help most homeowners, the device is especially beneficial to those who currently struggle with respiratory illnesses.

UV Light: UV lights are beneficial to air quality, because the device removes allergens such as mold and bacteria. The device produces ultraviolet rays that kill harmful pollutants and keep you breathing clean air.

Regularly Change Air Filters

Maintaining clean air filters is one of the easiest ways to improve your home’s air quality. The square footage of your home determines the amount of air filters your home will utilize. Air filters are placed inside intake vents and sometimes in your HVAC unit. The purpose of the air filter is to catch pollutants before air is distributed into your home. If the filter pores are dirty, it will struggle to catch each pollutant that passes through. Dirty air filters can result in poor air quality and an overworked HVAC unit. We recommend changing filters in your home at least every 90 days.

Schedule Duct Cleaning

If your home utilizes air ducts, they will need to be cleaned from time to time. Air frequently passes through your air ducts to be distributed throughout your home, and pollutants can build up over time. Allergens such as dust and pet dander can settle in your ductwork and be picked up by air passing through. These pollutants enter your home and negatively impact your air quality and health. At AC Plus, we offer professional duct cleaning services in Redlands, CA and surrounding areas. Not only does duct cleaning improve air quality, but also:

  • Removes Odors
  • Creates A Cleaner Living Environment
  • Improves Airflow Efficiency

We are here to help you and your family breathe easy year-round, and especially during allergy season! Let an expert AC Plus technician help improve your indoor air quality in Victorville, Redlands, and Cucamonga, California and surrounding areas this spring season!


Written By Matt Postoian

Matt Postoian has been in the HVAC industry for over 20 years and is dedicated to providing homeowners in Southern California with total home comfort.

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