Cough; congestion; chest tightness; shortness of breath; fever, chills, and fatigue

Notes: Check for microbial contamination in the Air Handling Unit and ductwork. A meidcal evaluation can help identify possible causes, such as Hypersensitivity pneumonitis or humidifier fever.

Possible Contaminants:

• Biological
  • Is there an odor of mold or mildew in or near the complaint area?
  • Is there mold or any animals present?
  • Is there standing water near the complaint area, or instide the air handler or ductwork?
  • Is condensation often present on windows or cold surfaces?
  • Is indoor relative humidity above 60%?
  • Excess moisture can cause mold, fungi, dust mites, and some bacteria to flourish.
• Building
  • Has there been recent painting, roofing, or other remodeling or construction?
  • Were pericides applied recently near the complaint area?
  • Has new furniture, flooring, or equipment been installed?
  • Are solvents or other chemicals stored in poorly sealed containers?
  • Is it overly dusty?
• Air Handling Unit
  • Is the system turned on?
  • Is air flowing from the vents?
  • Is the fan operating?
  • Are the filters clean and properly installed?
  • Are the dampers operating properly?
  • Is there moisture, debris, or microbial growth in or near the unit?
  • Is the drain pan clean and draining?
  • Are the coils clean?
  • Is combustion equipment properly vented, no flue leaks or backdrafting?