Most people don't connect their symptoms to their AC. The science on mould, mycotoxins, and respiratory illness tells a different story.
Get a Clean Today →The dangerous one. Produces macrocyclic trichothecenes — among the most potent mycotoxins known. Linked to chronic asthma, lung fibrosis, and immune suppression. Thrives in the constant moisture of AC cooling coils.
Fast-growing and extremely common in Australian AC units. Aspergillus triggers allergic reactions and is dangerous for asthmatics and the immunocompromised. Cladosporium worsens wheezing and respiratory symptoms.
This unit had visible mushroom mould growing on the fan. The black water is what comes off after the first pass.
Same process we do on every job. HEPA vacuum. Antimicrobial treatment. Full strip and clean.
Waking up with a blocked nose or persistent cough
Itchy, watery eyes that worsen when the AC is running
Musty, earthy smell from vents when heating kicks in
Increased asthma symptoms during winter months
Children coughing at night — but fine during the day
Nausea, headaches, or dizziness with no clear cause
A landmark study tracked people exposed to Stachybotrys for nearly 40 years. Two people with asthma from the same building had opposite outcomes: one developed chronic, irreversible lung disease; the other had their asthma declared cured after moving to a clean environment.
The study also developed a new way to detect black mould spores in household dust — a low-cost early warning system. The conclusion was clear: removing the source changes outcomes.
A 2015 review found sufficient evidence that dampness and mould cause asthma exacerbations in children. Developing lungs are more susceptible to airborne toxins.
Mould is a known asthma trigger. Elderly people with reduced immune function and pre-existing respiratory conditions are at significantly higher risk.
One professional clean eliminates the source. No ongoing treatments. No lock-in contracts. Just clean air all winter.
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