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Mold Can Be a Significant Source of Sickness

Even in Winter!

Mold is both bad for your health and the health of your home. One of the requirements for mold growth is moisture, so most people assume they are safe during the winter months, which is not true. Combine this with our welcome rains this year, and you likely have a problem you should address sooner than later!

How it forms

There are mold spores just about everywhere, but for the most part they are isolated and dormant. The problems arise when they start to grow, which comes down to three things: moisture, warmth, and organic material. Moisture and warmth provide the ideal growing environment, while any available organic material serves as nutrients for the spores.

Where it forms

Throughout the year there are risks of spore growth as a result of flooding, leaks, and drainage or plumbing problems. In the winter however, there doesn’t necessarily need to be an obvious source of moisture for growth to occur.

The most common location of growth in the winter is in the attic. In a poorly insulated attic, warm air from the home rises through the attic until it touches the underside of the roof. The rapid cooling of the air causes condensation, and consequently a high level of moisture. For the same reasons, any uninsulated closets that are connected to exterior walls could also be at risk during the winter.

On top of this, warm and moist air can rise to the attic from things like dishwashers, showers and cooking.

What can you do to prevent it?

To start with you should inspect your attic and any other high-risk areas in your home for existing mold growth. If you find any you will need to find a local mold removal service.

To prevent future growth there are a variety of things you can do:

  • Consult with an HVAC expert on how to properly insulate your attic
  • Clean your home regularly
  • Put a ventilator in any crawl spaces you have
  • Repair any roof or water leaks


Justin L. Brumley, Owner

​Air Dynamics Heating and Cooling    325-455-3191

​If you need a second opinion on protecting your San Angelo home this winter, contact us at Air Dynamics.