Aircond Chemical Wash & Full Dismantle Overhaul in Kuala Lumpur (From RM130)
When your air conditioner has gone more than 12 months without servicing, is installed near an open kitchen, or starts dripping water steadily down your living room wall, a standard water rinse will only clean the front 20% of the cooling fins. Deep inside the evaporator coil core and hidden behind the unit against the wall, sticky cooking grease, hardened dust, and clear bacterial “jelly” slime remain trapped blocking heat exchange and overflowing the rear drainage channel.
At Elite Aircond Expert’s, we specialize in Fin-Safe Alkaline Chemical Washes (from RM130) and Full Dismantle Chemical Overhauls (from RM150) across Sentul, Jalan Ipoh, and all of Kuala Lumpur. Unlike cut-price operators who spray harsh industrial acid on your coil while it hangs on the wall, our technicians safely pump down your refrigerant, dismantle the indoor fan coil unit, and wash every hidden drain trough, fin row, and blower blade from both front and back.
Every chemical service includes a high-pressure drain pipe flush, outdoor condenser wash, refrigerant gas pressure check, and our rock-solid 90-Day Anti-Leak & Cooling Guarantee.
- Two Clear Tiers: In-Place Chemical Wash (from RM130) or Full Wall-Dismantle Overhaul (from RM150).
- 100% Acid-Free Alkaline Coil Cleaner: Protects blue/gold hydrophilic fin coatings and prevents copper pinhole leaks.
- Zero Gas Loss During Dismantle: Full compressor refrigerant pump-down performed before disconnecting pipes.
- 90-Day Anti-Leak Warranty: Guaranteed to stop indoor water dripping and restore factory-level cold airflow.
In-Place Chemical Wash (RM130) vs. Full Dismantle Chemical Overhaul (RM150): What Is the Difference?
One of the biggest scams in the Malaysian aircond industry is charging homeowners RM160–RM200 for a “Chemical Overhaul” while never taking the aircond off the wall. At Elite Aircond Expert’s, we clearly separate these two procedures so you know exactly what you are paying for:
Option A: In-Place Chemical Wash (Wall-Mounted From RM130 / Unit)
The indoor unit remains mounted on the wall. We remove the casing, filters, and swing flap, seal the electronics, mount a waterproof catchment funnel, and spray foaming HVAC alkaline coil cleaner deep into the evaporator fins and cylindrical blower wheel. After a 10-minute reaction soak that lifts grease and biofilm to the surface, we flush the coil and drain pan with a high-pressure jet washer and vacuum the drain line.
Best For: Units serviced 8–12 months ago that have weak airflow or mild odor, or where the indoor unit is boxed into tight plaster ceiling carpentry and cannot be unhooked from the wall.
Option B: Full Dismantle Chemical Overhaul (Taken Down from Wall From RM150 / Unit)
This is the true, gold-standard overhaul. Our technician connects a manifold gauge to your outdoor compressor and performs a “pump-down” to lock 100% of your refrigerant gas safely inside the outdoor unit. We then disconnect the copper flare nuts and electrical wires, lift the entire indoor unit off the wall bracket, and dismantle it completely into separate components: the V-shaped evaporator coil, the front and rear drain pans, the cross-flow blower wheel, and the chassis.
Why Full Dismantle Matters: Every modern split aircond has a narrow rear condensate trough behind the coil that cannot be seen or reached while the unit is on the wall. By dismantling the unit, we chemically soak and jet-wash both the front and back of the coil and clear 100% of the rear drain channel permanently solving stubborn water leaks.
Our 10-Step Full Dismantle Chemical Overhaul Workflow
Here is what happens step by step when our Sentul / Jalan Ipoh team performs a Full Dismantle Chemical Overhaul at your home or office:
- 1. Pre-Overhaul Diagnostic: Test compressor startup, amperage draw, and check for electronic error codes before dismantling.
- 2. Refrigerant Pump-Down: Close the outdoor liquid valve and run the compressor until the gauge reads 0 PSI, trapping all your R32/R410A/R22 gas safely inside the outdoor condenser so zero gas is wasted.
- 3. Safe Indoor Unit Removal: Disconnect indoor wiring, drain hose, and flare nuts (capping the copper pipe ends with tape so no moisture or dust enters the lines) and unmount the indoor unit.
- 4. Complete Component Strip-Down: Remove the PCB control box, fan motor, blower wheel, V-coil evaporator, and drain pan.
- 5. Alkaline Chemical Foam Immersion: Apply certified non-acidic alkaline coil cleaner across the front and rear evaporator fins, letting the active foam emulsify hardened oil, nicotine, and biofilm.
- 6. 360-Degree High-Pressure Jet Wash: Blast clean the evaporator coil, blower wheel, front drain pan, and hidden rear drain channel in a designated wash area or bathroom.
- 7. Fan Motor Shaft & Bearing Lubrication: Apply high-grade grease to the blower bush/bearing to eliminate squeaking or humming noises.
- 8. High-Pressure PVC Drain Pipe Flush: Blow out the wall PVC drainage pipe to clear any downstream algae blockages.
- 9. Re-Mounting, Flare Torqueing & Vacuum Purge: Mount the unit back on the wall, torque the copper flare nuts, vacuum purge the indoor coil loop to remove air, and release the refrigerant back into the system.
- 10. Leak Test & Final Thermometer Verification: Soap-test the flare joints, verify gas pressure (PSI) and amperage, and confirm 15°C–17°C ice-cold louver output.
Why Cheap "Acid Chemical Wash" Destroys Your Aircond Coil
If you have ever seen an aircond technician pour a yellowish liquid onto a coil that immediately hisses, smokes, and turns the aluminum fins chalky white, they are using cheap industrial acid (hydrofluoric or hydrochloric acid). While acid strips dirt in 30 seconds, it also eats away the factory blue or gold hydrophilic coating and thins out the delicate copper return bends.
Within 6 to 9 months after a harsh acid wash, two terrible things happen: (1) the bare, rough aluminum fins trap dust twice as fast and hold water droplets that blow out of the vent, and (2) microscopic pinhole leaks develop in the copper coil, causing all your refrigerant gas to leak out. At Elite Aircond Expert’s, we strictly use coil-safe alkaline foaming cleaners that lift grease and slime without eating a single micron of metal.
Customer Feedback
2026 Aircond Chemical Wash & Full Overhaul Price List (Kuala Lumpur)
Transparent, all-inclusive pricing for wall-mounted split units and commercial ceiling cassettes across Kuala Lumpur:
| Aircond Type & Horsepower (HP) | In-Place Chemical Wash (On Wall) | Full Dismantle Overhaul (Taken Down) | 3+ Units Overhaul Bundle | Included Warranty |
|---|---|---|---|---|
| 1.0 HP – 1.5 HP Wall Split | RM 130 / unit | RM 150 / unit | RM 140 / unit | 90-Day Anti-Leak |
| 2.0 HP Wall Split | RM 160 / unit | RM 180 / unit | RM 170 / unit | 90-Day Anti-Leak |
| 2.5 HP – 3.0 HP Wall Split | RM 190 / unit | RM 220 / unit | RM 200 / unit | 90-Day Anti-Leak |
| 1.5 HP – 2.0 HP Ceiling Cassette | RM 240 / unit | RM 280 / unit | RM 260 / unit | 90-Day Anti-Leak |
| 2.5 HP – 3.0 HP Ceiling Cassette | RM 290 / unit | RM 350 / unit | RM 330 / unit | 90-Day Anti-Leak |
| 4.0 HP – 5.0 HP Ceiling Cassette | RM 360 / unit | RM 450 / unit | RM 420 / unit | 90-Day Anti-Leak |
Frequently Asked Questions
Everything you need to know about our Full Dismantle Chemical Overhaul services.
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