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Prepare the airflow path
We open and prepare the indoor unit so industry high-pressure steam can reach the filters, fan housing, drip pan, condensate tray and front panel without detergent, acid, alkali or fragrance.
Protection
Pico X PureSteam Aircon Care
Care for the air your cooling system circulates every day
Industry high-pressure steam care that physically removes accumulated dust, mould residue and biofilm from the indoor unit — without added cleaning chemicals, artificial fragrances or chemical coatings.
An air conditioner continually moves room air across cold, damp internal surfaces. Over time, dust, moisture and biological residue can collect on the evaporator fins, blower wheel, drip pan and drainage path, then return to the room through everyday airflow. Pico X PureSteam Aircon Care harnesses industry high-pressure steam, followed by controlled rinsing and drainage care, to lower that accumulated environmental load — supporting cleaner-feeling airflow without leaving residual cleaning chemicals behind.
Not sure when this service is due? Aira Sense reads your environment and times the visit for you.


Clear, flat pricing
S$90 per indoor unit, with no trip, transport or call-out charge. Choose the number of units to see the complete visit price before messaging Aira.
What the visit does
The surfaces that stay damp and move air back into the room sit deeper inside the unit. PureSteam is designed around those accessible internal areas, not appearance alone.
These require the appropriate licensed aircon or electrical specialist. We will tell you when the condition falls outside hygiene care rather than sell the wrong service.
The PureSteam method
Industry high-pressure steam reaches the damp internal surfaces that routine filter washing misses — without breathing in residual cleaning chemicals.

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We open and prepare the indoor unit so industry high-pressure steam can reach the filters, fan housing, drip pan, condensate tray and front panel without detergent, acid, alkali or fragrance.
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Industry high-pressure steam helps release accumulated dust, mould residue and biofilm from the evaporator fins and blower wheel, where routine filter washing cannot reach.
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A controlled water rinse carries away loosened residue, the drainage line is vacuumed and flushed, and accessible internal surfaces receive a final check. No coating is left behind.
Inside the airflow path
A clean-looking filter can sit in front of damp internal surfaces. This exploded view opens the wall-mounted unit to show the moisture zones hidden behind its cover.

Cold, closely spaced surfaces hold moisture while the unit cools and collect fine airborne particles over time.
The wheel sits beyond the filter and moves air back into the room, making its condition important to everyday airflow.
Condensation collects here. Sludge or restricted drainage can keep the interior damp for longer between cooling cycles.
When to choose PureSteam
Most Singapore households benefit from steam-assisted care every three to six months, depending on how long the unit runs each day. Read the unit, not the calendar alone.
A practical care rhythm
These are care guides, not guarantees. Actual timing depends on humidity, usage, drainage, room conditions and what is found inside the unit.
Questions before care
Air passes over the wet coil, blower and drain area before returning to the room. Removing accessible dust, mould residue and biofilm from these zones can reduce the environmental load carried in recirculated air, but cannot guarantee mould will not return or provide a medical outcome.
The flat price covers the deeper internal care described on this page, including the evaporator fins, blower wheel, drip pan and drainage line. There is no trip, transport or call-out charge, whether you book one indoor unit or several.
Routine servicing commonly centres on the front panel, filters and a basic drainage check. PureSteam goes further into accessible internal moisture zones, using industry high-pressure steam and controlled rinsing to loosen and physically remove accumulated dust, mould residue and biofilm.
No. PureSteam uses industry high-pressure steam and controlled water rinsing, without added acidic or alkaline cleaning chemicals, artificial fragrances or chemical coatings. A repair specialist may still recommend a chemical wash or overhaul for severe grease, scale, blockage or long-neglected equipment.
The cleaning process adds no detergent, fragrance or chemical coating. Children and pets should remain outside the immediate work area while the unit is open and runoff is captured; the room can be used again after the service is complete and dry.
PureSteam removes accessible accumulated residue but leaves no residual coating, so it cannot guarantee mould will not return. Longer-term results still depend on humidity, condensation, drainage, operating temperature and a suitable care interval.
The service is suitable for most wall-mounted indoor units and can be assessed for cassette or ducted split systems. The outdoor compressor is not opened as part of this hygiene service.
No. Refrigerant work, compressor or PCB faults, electrical diagnosis and cosmetic repair require the appropriate licensed aircon or electrical specialist. Keeping that boundary clear ensures you receive the right expertise for each issue.
Yes. Pricing remains S$90 for each indoor unit with no additional trip charge. Three units are S$270 and four units are S$360.
Protection through better care
Tell Aira how many indoor units you have and whether you have noticed odour, visible residue, drainage issues or changes in airflow.
The air handler you breathe through
A household fan coil runs in darkness, at high humidity, over a permanently wet coil and drain tray. That is where mould establishes. Every time the unit starts, air passes over that growth before it reaches the room — and in a closed bedroom, it is the same air for eight hours.
What common practice looks like
How it reaches the body over years
What correct care changes
Clean the air at its source with PureSteam — S$90 per indoor unit.
We describe comfort, cleanliness and indoor environment quality. Nothing here is medical advice, diagnosis or treatment, and we do not promise health outcomes.
Master price list
Compare visit scope and price notes on the dedicated Pico X Care pricing page.