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What’s Affecting Your Home’s Indoor Air Quality?

Living in a sizable city like San Antonio, you probably know urban smog is a factor in your air quality. What you might not know, however, is that there’s a lot more that can affect the air you breath in your home.


The level of moisture in your air has a measurable effect on your indoor air quality. Dust mites, mold, and cockroaches thrive in humidity levels above 50 percent, which is a common problem thanks to our area’s high summer humidity. If you feel hot and sticky even with the A/C on, find mold spots on your ceilings or notice other signs of high humidity, chances are your home needs better ventilation or a whole-house dehumidifier.


Even in the cleanest of homes, air contaminants such as pollen, mold spores, cooking particles, and pet dander can build up over time. Sufficient airflow does a lot to solve this air quality issue. Use your bathroom and kitchen ventilation fans correctly. Instead of leaving the windows open and letting in outdoor air contaminants, run your air conditioner on the “fan only” setting to clean your air when you don’t need cooling.

If your home doesn’t have a whole-house ventilation system, talk with a professional about having one installed. Use caulk and weatherstripping to seal leaks around your doors, windows, utility line penetrations and elsewhere to keep out air pollutants and humidity.

Home Appliances

If not properly maintained, your fuel-burning appliances can begin to leak small amounts of carbon monoxide (CO) into your home. This includes your gas or propane oven and water heater, as well as your fireplace. While the leaks might not be enough to set off your carbon monoxide detectors, they can still leave you with headaches, fatigue, and a general feeling of malaise. To prevent this, schedule professional maintenance inspections for your appliances every year.

Leaks in your HVAC air ducts can also bring CO into your home by causing an air pressure imbalance that draws in appliance exhaust fumes that should be vented outdoors.

To learn more about your IAQ, contact us at Beyer Boys today.

Our goal is to help educate our customers in the greater San Antonio, Texas area about energy and home comfort issues (specific to HVAC systems).

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