Mould in the AC and allergic rhinitis: tidying the environment is not treatment
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Sneezing or a runny nose when the AC is on cannot be used to directly judge that the AC has mould, and certainly cannot confirm an allergen. Indoor cleaning can be done alongside medical follow-up; if symptoms persist or recur, seek medical care. AC cleaning is not a treatment for nasal allergies.
Humidity and dust buildup are worth checking
The mould guideline states that controlling moisture and dust helps limit mould growth. This does not mean every air conditioner has the same contamination, nor can one assume dust mites are definitely present inside the unit. Record visible stains, moisture, and odours so staff can assess the situation accordingly.
Do not measure contamination by symptoms or colour.
Nasal congestion, odours and black spots are not a microbial count test. Whether targeted testing is needed should be decided based on the issue and professional advice. If mould contamination in the air-conditioning system is confirmed, it should be properly handled; do not try to blow the contamination away by continuing to run the fan.
Cleaning scope and service limits
Professional cleaning can remove dirt on the unit within the confirmed scope, but does not promise to eliminate all household allergens or cure nasal allergies. Users should maintain filters as allowed by the manual, and should not dismantle the casing, spray deep inside, or mix disinfectant products on their own; internal contamination, leak sources, and other room-related issues should be handled separately.
Related reading and services
- Related service scope and current charges
- Back to AC encyclopedia
- EPD: preventing and handling indoor mould
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