Aircond leaking water is one of the most common issues faced by Malaysian households—especially during humid weather or long hours of cooling. While many people assume the unit is faulty, most water leakage problems are caused by simple maintenance issues, installation errors, or blocked drainage pathways.
This guide explains the exact reasons why airconds leak, how to identify the symptoms, and which solutions are safe to perform at home.
Understanding Why an Aircond Leaks Water
An aircond naturally produces condensation.
Under normal conditions, this water flows through a drainage pipe and exits safely outside.
When something blocks or disrupts this flow, the water overflows and drips from the indoor unit.
1. Blocked or Choked Drainage Pipe (Most Common in Malaysia)
This is the No.1 cause of water leaking indoors.
Over time, the drain pipe becomes clogged with:
Dust
Algae
Slime
Insects
Mold growth (very common in humid areas like Subang, Puchong, Shah Alam)
Signs:
– Water dripping from indoor unit
– Gurgling sound
– Wet wall or ceiling
Solution:
A proper technician will vacuum and flush the drain line using pressure tools.
This immediately solves the issue.
2. Dirty Indoor Coil (Evaporator Block)
When the cooling coil is covered with dust, airflow becomes weak.
Condensation cannot evaporate properly and begins to spill over the tray.
Signs:
– Weak cooling
– Water dripping after long hours of usage
– Ice forming around the coil
Solution:
A full cleaning service or chemical cleaning every 3–6 months.
3. Damaged or Disconnected Drain Tray
Inside every aircond, there is a tray that collects condensed water.
If the tray is cracked, rusty, or misaligned, leaking is unavoidable.
Signs:
– Water dripping immediately after turning ON
– Uneven water flow
– Visible rust or crack marks
Solution:
Tray must be repaired or replaced.
4. Improper Aircond Installation
One of the biggest problems in Malaysia is poor installation by non-professional installers.
Common installation errors include:
Wrong tilt angle
Loose drain pipe
No slope for water flow
Pipe joint leakage
Even a small installation mistake can cause big leakage.
Solution:
A proper installation check is required.
5. Frozen Indoor Coil (Low Gas Issue)
When gas level is low, the coil freezes like ice.
When the ice melts, the water drips heavily.
Signs:
– Aircond not cooling
– Outdoor unit running continuously
– Ice visible on pipes
– Sudden heavy leaking
Solution:
Gas pressure test + refill for R22 / R32 / R410A depending on model.
6. Clogged Air Filter (Simple but Ignored)
Many households never wash the aircond filter.
When airflow is blocked, water cannot evaporate and leaks occur.
Solution:
Wash filters every 2–3 weeks.
7. High Outdoor Humidity & Long Operating Hours
Malaysia’s humid climate causes more condensation.
If the unit is running the entire day, excess moisture can overflow.
Solution:
Regular servicing + checking water flow outlet.
When Should You Stop Using the Aircond Immediately?
Stop the aircond and call a technician if you see:
Water dripping near electrical sockets
Indoor unit leaking continuously
Water flowing down the wall
Burning smell + water (dangerous combination)
Leakage coming from DB/MCB area
Water + electricity is extremely dangerous.
Professional Aircond Repair & Leak Fixing in Subang Jaya
We provide complete aircond leakage solutions:
✔ Drain pipe flushing
✔ Clogged pipe clearing
✔ Indoor/Outdoor cleaning
✔ Gas refill (R22 / R32 / R410A)
✔ Coil chemical wash
✔ Installation correction
✔ Drain tray repair
✔ Full diagnosis
Contact Us
📍 Sumon Electrical & Hardware Trading
Lot K10004, Ground Floor, Goodyear Court 7,
USJ 14, Subang Jaya, Selangor
Google Map: https://maps.app.goo.gl/CqTZ24KzNDvmfK1y8?g_st=awb
📞 WhatsApp (24/7): +601116109510
🌐 Website: https://shababalsharif.com