What To Do If You Find Mold in an HVAC System

For HVAC specialists, fall is a busy season. Pre-winter system cleanings are plentiful, as nobody wants poor indoor air quality – especially during winter months when windows aren’t opened to get fresh air. Many times, you’ll discover mold in drip or condensation pans, in ductwork, or around vents.

HVAC moldAs you know, dust and debris collect in HVAC and heating units over time. When those materials absorb moisture, mold can form quickly.

If you find mold on a job, stop work immediately so that you don’t spread the mold and cross-contaminate other areas of the residence. Then call RTK for a mold assessment. Since RTK only tests and never remediates, you can be assured our results are unbiased and accurate.

How does mold impact the homeowner? During summer months, condensation often occurs in HVAC units and ducts, and this can lead to mold growth.. Then, once the heat is turned on, microscopic mold spores can easily spread and contaminate clean spaces anywhere else in the building.

Signs of HVAC Mold:

  1. There is a musty smell in the dwelling.

  2. The homeowner is experiencing allergic symptoms, which may include a runny nose, trouble breathing, rash, or watering eyes.

  3. When the homeowner turns on the heat, they complain that their nose, throat, and eyes feel irritated.

  4. The homeowner suffers from unexplained headaches that go away when they leave the premises.

  5. They feel nausea, fatigue, and dizziness only when they are home or at the office.

  6. You see mold growing in the intake vents and around the air ducts and drip pans.

  7. There is staining around the vents.

mold iaqIf you find mold in an HVAC system, the best course of action is to have the system tested. An independent company, like RTK, can assess whether your client will be spreading mold spores when the heat is turned on.

Mold and VOCs (volatile organic compounds) are the most common causes of indoor air pollution and can easily be tested for and treated. Call us at 800.392.6468 to schedule a test or learn more.

Nationally, there are thousands of contaminated sites of varying size and significance in settings ranging from abandoned buildings in inner cities to large areas contaminated with toxic materials from past industrial or mining activities. (EPA)

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