Water and mold in ductwork form a perfect recipe for contaminated indoor air quality. Typical residential ductwork moves about 1,400 cubic feet of air every minute. Afloat in that air are dust and dirt particles you can see but also microscopic mold spores you can't see. These dormant spores exist everywhere in nature and remain inactive until they contact one vital ingredient: moisture. Triggered by exposure to water, spores convert to active growing mold and begin dispersing millions of toxic reproductive spores into the breathing air of your living spaces.
Water may infiltrate ducts in several ways:
- A flooded basement.
- Water dripping from roof leaks penetrates ductwork routed through the attic.
- Condensation migrating into ducts from the evaporator coil in the air handler.
- Chronic dampness may accumulate inside ducts due to high indoor humidity.

How do you know if mold has infected your ductwork? Your only hint may be a musty odor emanating from the ducts whenever the HVAC system cycles on. Since the majority of household ductwork is inaccessible to the average homeowner, however, you'll need the services of a water damage and mold remediation company to make sure.
- First, water is removed from ducts. After the cause of the water infiltration is corrected, a technician can use water vacuums inserted into duct access holes to remove water and/or open up ductwork at joints to allow the system to drain. Running the heater and the system blower can expedite air drying following water removal.
- If suspect organic material is identified during a visual inspection of ductwork, it will be physically sampled and tested. If active mold growth is confirmed, mold will be removed and ductwork surfaces treated with EPA-approved biocides to prevent recurrence.
For more information on professional techniques to eliminate water and mold in ductwork, contact Rytech Restoration today.

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