HVAC Mold Remediation South San Francisco, California
HVAC Mold Remediation in South San Francisco, California Possible Causes of HVAC Mold Growth One common cause of mold growth in HVAC systems is excess moisture. When humidity levels rise above 60%, it creates an ideal environment for mold spores to thrive inside air ducts and vents. Leaks or standing water within the HVAC unit…