Take Your Home Back from Spring Allergies Affecting Your IAQ

Take Your Home Back from Spring Allergies Affecting Your IAQWhile the approach of spring is traditionally celebrated, spring allergies that come along with it are less welcome. Of the airborne allergy seasons, spring is generally considered the most troublesome for the most people. “Hay fever” is a catch-all term that describes allergic symptoms resulting from microscopic airborne pollen released by trees, grass and blooming plants. While there’s not much you can do about pollen exposure in the great outdoors, inside your house you have a helpful ally: your HVAC system.

Because the entire air volume in your home circulates through the ductwork multiple times daily, a fully functioning HVAC system can do a lot to help reduce indoor allergen exposure. Here are some ways to make sure the heating and cooling system is on your side in the battle against spring allergies:

Change the filter.

The HVAC system of a typical residence circulates about 1,500 cubic feet per minute of air through the system air filter. Dirt and dust extracted from the airflow degrades filtration effectiveness as well as reducing system airflow. This permits allergens to accumulate in indoor air to problematic levels rather than be filtered out.

  • Replace the filter at least every other month—in allergy season, every month is preferable.
  • Don’t waste money on cheap fiberglass panel filters. The filtration media doesn’t capture microscopic pollen particulates that trigger allergic reactions. Instead, buy quality pleated cotton or polyester filters with a MERV (Minimun Efficiency Reporting Value) rating of at least 8 to ensure sufficient airborne allergen control.

Keep all HVAC vents open.

Negative indoor air pressure sucks in outdoor particulates like pollen and other pollutants. To ensure proper neutral air balance inside the house as well maximum air filtration, keep all HVAC supply and return vents in the house open and unobstructed.

Schedule regular annual maintenance.

Make sure the HVAC system meets specs for optimum indoor air quality by getting routine preventive maintenance and inspection by a qualified HVAC service technician.

For more information about your HVAC system’s role in reducing spring allergies, contact NisAir Air Conditioning and Heating.

Our goal is to help educate our customers in Martin, Palm Beach, St. Lucie and Indian River Counties in Florida about energy and home comfort issues (specific to HVAC systems). For more information about other HVAC topics, download our free Home Comfort Guide or call us at 772-207-1658. 

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