Can My HVAC System Cause Mold in My Home?

Indoor Air Quality | Orange County, CA

Expert answer to "Can My HVAC System Cause Mold in My Home?" — backed by EPA, DOE, and ASHRAE data. From Breezy Air Services, Orange County's diagnostic-first HVAC company.

Yes — your HVAC system is the single most common source of hidden mold growth in residential homes. The evaporator coil creates condensation during every cooling cycle, and this perpetually damp surface accumulates organic matter that becomes a mold breeding ground. According to NADCA, the average 6-room home generates **40 pounds of dust annually**, much of which settles on the wet coil surface and feeds mold colonies that then distribute spores throughout your ductwork and living spaces [2]. ...

Read the full article from Breezy Air Services — diagnostic-first HVAC experts serving Orange County. Call (714) 606-0814 to schedule service.