# Aircon Chemical Wash Singapore | iCare Aircon > Deep chemical overhaul to eliminate mould, slime, and bacteria. Restore full cooling with a 90-day warranty. Call iCare Aircon at 8546 1234. URL: https://coolbestaircon.com/aircon-chemical-wash/ BOOK TODAY! Chemical Wash # Professional Aircon Chemical Wash and Overhaul in Singapore Complete dismantle-and-soak chemical overhaul that restores cooling performance, eliminates mould, and improves indoor air quality across Singapore. From S$90 WhatsApp to Book [https://wa.me/6585461234 →](https://wa.me/6585461234) Call +65 8546 1234 [tel:+6585461234 →](tel:+6585461234) ![Dismantled aircon fan coil components soaking in chemical cleaning solution during an iCare Aircon chemical wash](/images/misc/aircon-chemical-wash-dismantled-unit-soaking-in-so.webp) - **4.8/5** Google Reviews - **14,200+** Singapore homes served - **10** Years in business - **90 days** Workmanship warranty - **Yes** Same-day West Region ## What's included Full indoor-unit dismantle and reassembly by a licensed technician Chemical solution soak for fan coil, blower wheel, and drainage components High-pressure water jet coil descale to strip bacterial biofilm Mould, slime, and bacteria remediation for healthier indoor air Outdoor unit overhaul option for older or heavily soiled systems 90-day workmanship warranty on the overhaul ## What Singapore’s Humidity Does to Your Aircon Singapore’s tropical climate keeps humidity between 70% and 90% for most of the year. That constant moisture creates the perfect breeding ground for mould, algae, and bacterial biofilm inside your aircon’s fan coil and drainage system. Within months of a basic service, jelly-like slime starts forming in the drain pipe, mould colonises the evaporator coil, and your unit gradually loses cooling capacity while pushing stale, unhealthy air into your rooms. This is not a maintenance failure on your part. It is a direct consequence of running an aircon system in one of the most humid climates on earth. Regular quarterly servicing handles the surface layer, but it cannot reach the biofilm growing deep inside the coil fins or the sludge clogging the drainage tray. That is where a full chemical overhaul becomes necessary. ![Dismantled aircon fan coil components soaking in chemical cleaning solution during an iCare Aircon chemical wash](/images/misc/aircon-chemical-wash-dismantled-unit-soaking-in-so.webp) ## Signs Your Unit Needs a Chemical Overhaul Not every aircon needs a chemical overhaul. A basic service may be enough if the unit is young and lightly used. But certain symptoms point clearly to deeper contamination that only a full dismantle-and-soak can fix. Your unit likely needs a chemical overhaul if you notice any of the following: - A sour or musty smell when the aircon starts running, caused by mould spores circulating through the fan coil - Water dripping from the front panel or pooling on the floor, usually from jelly-like slime blocking the drainage pipe - Cooling has weakened over the past 3 to 6 months even though you have been servicing the unit regularly - The unit is more than 5 years old and has never had a chemical overhaul - Black slime is visible inside the drainage tray or along the coil surface - Dust particles blow out of the vents when the fan first starts If you are unsure, send us a photo or a short video of the unit via WhatsApp. Our technicians at iCare Aircon will tell you honestly whether an overhaul or standard service is the right approach. ## How Our Chemical Overhaul Works Every aircon chemical wash at iCare Aircon follows a strict sequence. We begin by laying drop sheets and floor protectors across your living space before any tools come out. Our no-mess guarantee means your home stays spotless from start to finish. ![iCare Aircon technician setting up drop sheets and tools in an HDB living room before work](/images/misc/drop-sheets-tools-laid-out-on-hdb-floor-font-ralew.webp) Here is exactly what happens during the service: - **Dismantle** the indoor unit fascia, remove the fan coil, detach the blower wheel, and take down the drainage pan - **Pre-rinse** loose dust and debris before chemical application - **Soak** fan coil, blower wheel, and drainage components in our calibrated cleaning solution - **Scrub** the blower wheel blades by hand, since this is where most airflow loss hides - **High-pressure water jet** the evaporator coil to strip bacterial biofilm and remaining residue - **Desludge** the drainage tray and flush the drain pipe to clear any slime blockage - **Inspect** the fan motor bearings, thermistor placement, and control PCB for heat or moisture damage - **Reassemble** with fresh insulation on worn sections and apply corrosion protection to exposed metal joints - **Test** the unit through a full cooling cycle before we leave ![Close-up of a mould-blocked evaporator coil before an iCare Aircon chemical overhaul](/images/misc/mouldy-evaporator-coil-before-chemical-overhaul-fo.webp) The entire process takes about 1.5 to 2 hours per indoor unit. For a typical 3-unit HDB system, expect 3 to 4 hours. Concealed or ducted units in condominiums along Orchard or Marine Parade may take longer due to the additional access requirements for false ceilings. ## Common Mistakes with Aircon Chemical Cleaning Over our 10 years serving Singapore homes, the iCare Aircon team has seen the same preventable mistakes come up again and again. **Waiting too long between overhauls.** Many homeowners only call when the unit starts leaking or smelling. By that point, the mould has penetrated deep into the coil fins and the drainage system is heavily clogged. Catching it earlier, ideally every 12 to 18 months for heavy-use units, means a simpler job and a longer-lasting result. **Confusing a spray wash for an overhaul.** Some providers advertise “chemical wash” but only spray cleaning solution onto the coil without dismantling. This removes surface grime but does nothing for the biofilm growing behind the coil or inside the drainage tray. Always confirm that your provider fully dismantles the unit. **Skipping the outdoor condenser.** For units near the coast, particularly in Bedok, Marine Parade, and East Coast areas, salt-laden air corrodes the condenser coil and bracket far faster than inland locations. If your outdoor unit has visible rust or has not been cleaned in several years, an outdoor overhaul is worth the investment. **Using uncalibrated chemicals.** Over-concentrated cleaning solution corrodes aluminium coil fins. Under-concentrated solution fails to break down biofilm. Our BCA-registered technicians use precisely measured chemical ratios and always finish with a thorough high-pressure rinse to prevent residue damage. ## What the Service Costs Our chemical overhaul starts from **S$90 per indoor unit** after on-site inspection. The final quote depends on unit size, whether the outdoor unit needs treatment, and how severely the drainage system has clogged. We never begin work before confirming the price with you in writing, usually via WhatsApp. Every overhaul comes with a **90-day workmanship warranty**. If the unit develops a drainage leak, a rattling blower, or any fault related to our work within 90 days, we return and fix it at no charge. With 14,200 completed projects and a 4.8-star Google rating from 845 reviews, that warranty is a promise we stand behind every day across Singapore. ![Cleaned and restored fan coil unit after iCare Aircon chemical wash](/images/misc/restored-fan-coil-after-chemical-wash-font-raleway.webp) ## Get an Honest Assessment WhatsApp us a photo of your unit and your postcode. We reply within the hour during working hours with a timing slot and an honest quote. If a standard service would solve the problem, we will tell you that instead of overselling an overhaul. iCare Aircon serves homes and businesses across Singapore, including Tampines, Jurong East, Woodlands, Punggol, and Bedok. Inside the Service ## What an iCare Aircon visit looks like Photos from actual Singapore homes — before, during, after. ![Close-up of a mould-blocked evaporator coil before an iCare Aircon chemical overhaul](/images/misc/mouldy-evaporator-coil-before-chemical-overhaul-fo.webp) ![Blower wheel being brushed clean after a full chemical solution soak](/images/misc/blower-wheel-soaked-and-brushed-clean-font-raleway.webp) ![Technician using a high-pressure water jet to flush the evaporator coil](/images/misc/high-pressure-water-jet-flushing-coil-font-raleway.webp) ![Drainage tray being cleaned of slime and sludge before reassembly](/images/misc/drainage-tray-desludged-before-reassembly-font-ral.webp) ![Cleaned and restored fan coil unit after iCare Aircon chemical wash](/images/misc/restored-fan-coil-after-chemical-wash-font-raleway.webp) ![iCare Aircon technician setting up drop sheets and tools in an HDB living room before work](/images/misc/drop-sheets-tools-laid-out-on-hdb-floor-font-ralew.webp) What Customers Say ## Real results from Chemical Wash customers ★★★★★ > “Our 8-year-old units in Tampines were barely cooling. The iCare Aircon technician stripped everything down, soaked the parts, and showed us the mould buildup. Cooling is back to full strength and the musty smell is completely gone.” Rachel T. Tampines ★★★★★ > “Scheduled a chemical overhaul for three units in our Toa Payoh flat. On time, transparent pricing, and they left the place spotless. The 90-day warranty gives real peace of mind.” Arun K. Toa Payoh Starting Price ## From S$90 per unit (quote on inspection) Final pricing depends on unit size, age, and indoor vs indoor+outdoor scope. Call or WhatsApp for a firm quote. See Full Pricing [/pricing/ →](/pricing/) Chemical Wash Guides ## Learn more before you book In-depth guides from Mr Chong on this topic. Read these if you want the technical details. BOFU ### Chemical Overhaul for Aircons Over 10 Years Old Is your 10-year-old aircon worth overhauling? Decision framework for Singapore homes: when chemical overhaul pays off and when replacement is smarter. Read guide → [Chemical Overhaul for Aircons Over 10 Years Old →](/guide/chemical-overhaul-old-aircon/) MOFU ### Chemical Wash vs Normal Aircon Servicing: Which Do You Need? Side-by-side comparison of standard aircon servicing vs chemical wash: scope, price, when each is appropriate. Clear decision rules for Singapore homes. Read guide → [Chemical Wash vs Normal Aircon Servicing: Which Do You Need? →](/guide/chemical-wash-vs-normal-servicing/) MOFU ### How Often Should You Schedule a Chemical Overhaul? Chemical overhaul timing for Singapore's tropical climate: every 12-24 months for heavy use, up to 36 months for light use. Factors that shift the schedule. Read guide → [How Often Should You Schedule a Chemical Overhaul? →](/guide/how-often-chemical-overhaul/) MOFU ### 5 Signs Your Aircon Needs a Chemical Wash Mouldy smell, drainage slime, black spots on the blower, weak airflow after servicing? These symptoms mean your aircon needs a chemical wash, not standard service. Read guide → [5 Signs Your Aircon Needs a Chemical Wash →](/guide/signs-aircon-needs-chemical-wash/) MOFU ### Steam Cleaning vs Chemical Wash: Which Aircon Deep Clean Works? Steam cleaning vs chemical wash for your aircon in Singapore: effectiveness on mould, biofilm, and coil deposits compared. Honest breakdown with 2026 pricing. Read guide → [Steam Cleaning vs Chemical Wash: Which Aircon Deep Clean Works? →](/guide/steam-cleaning-vs-chemical-wash/) TOFU ### What Is an Aircon Chemical Wash? Full Explanation Aircon chemical wash explained: dismantle, soak in alkaline solution, high-pressure jet, reassemble. When Singapore homes need it and what the process involves. Read guide → [What Is an Aircon Chemical Wash? Full Explanation →](/guide/what-is-aircon-chemical-wash/) Questions Answered ## Chemical Wash FAQ How often should I do a chemical wash? For most Singapore households, every 12 to 24 months. Heavy-use homes, older units over 5 years, or units with visible mould should lean towards yearly. Light-use bedroom units with regular basic servicing can often stretch to 24 months. What is the difference between chemical wash and chemical overhaul? Chemical wash usually means spraying cleaning solution onto the coil without dismantling. Chemical overhaul, which is what iCare Aircon performs, involves fully dismantling the indoor unit, soaking all components in solution, and reassembling from scratch. Overhaul is the right approach when there is mould, water leaks, or persistent cooling loss. Is chemical wash safe for my aircon? Yes, when performed correctly by a licensed technician using properly calibrated chemical ratios and thorough rinsing. Over-concentrated chemicals or poor rinsing can corrode the coil. We use measured solution strength and always finish with a high-pressure water flush to prevent residue damage. Will it make my unit cool better immediately? In most cases, yes. When the coil and blower are restored to clean metal, airflow increases and heat-transfer efficiency returns. Cooling improvement is usually noticeable within the first hour of operation after reassembly. How long does a chemical overhaul take? For a single indoor unit, typically 1.5 to 2 hours. A full 3-unit HDB system usually takes 3 to 4 hours. We confirm timing when we see the units since tight ceiling mounts or false ceilings can extend the job. Do I need to do the outdoor unit too? Not always. Outdoor-unit chemical treatment is useful for systems over 6 to 7 years old, units near sea-facing coastal areas with salt corrosion, or where we see visible soiling on the condenser. We flag it on inspection and never upsell. ## Get a Fast, Honest Quote - No Obligation 90-day workmanship warranty on every job. Same-day slots in the West Region. WhatsApp us with your postal code for a quote. WhatsApp for a Quote [https://wa.me/6585461234 →](https://wa.me/6585461234) View Pricing [/pricing/ →](/pricing/) Related Services ## Related services ![iCare Aircon technician using a multimeter to diagnose an aircon fault on an HDB wall-mounted unit](/images/misc/technician-diagnosing-aircon-unit-with-multimeter-.webp) ### Repair Diagnostic-first aircon repair covering cooling faults, leaks, noise, odour, and electrical issues across all major brands in Singapore. From S$80 Learn more → [Repair →](/aircon-repair/) ![Newly installed Daikin split-type aircon unit mounted on an HDB bedroom wall with tidy trunking](/images/misc/new-daikin-split-aircon-installation-in-hdb-bedroo.webp) ### Installation Site-survey-led aircon installation for split, multi-split, and window systems across all major brands in Singapore. From S$350 Learn more → [Installation →](/aircon-installation/) ## Ready to book Chemical Wash? From S$90 per unit (quote on inspection). WhatsApp us to confirm your slot. WhatsApp iCare Aircon [https://wa.me/6585461234 →](https://wa.me/6585461234) Call +65 8546 1234 [tel:+6585461234 →](tel:+6585461234)