WHY IS MY AIRCON LEAKING?
There are 2 main reasons why your aircon is leaking.
1. Choke in your drainage pipes : In this case, we will clear the choke for you in your drainage pipes.
2. Over-condensation of water droplets on your evaporating coils. In this case, we will advise you to do chemical wash to remove the dirt and dust in your aircon unit.

WHY IS MY AIRCON NOT COLD?
There are various reasons why your aircon is not cold. 
1. Internally clogged with too much dirt and dust
2. Your system is short of gas.
3. Capacitor is faulty.
4. Thermistor faulty
5. PCB (Printed Circuit Board) faulty

There are numerous other issues that your aircon could be facing such as a gas leak etc. Hence, it is always important to conduct a proper assessment before any job is done so the right problem can be fixed with the right solution. 

WHEN DO I DO A GAS TOPUP?
You will need to do gas top up when your system is short of the R410a or R22 gas. This is a refrigerant that enables the exchange of heat from the outside with the heat inside your room. A gas top up should never be done when the system is full of gas already.

WHEN SHOULD I DO A CHEMICAL WASH / OVERHAUL?
A chemical wash is done to keep your aircon thoroughly clean and functioning at optimal temperature. This is better than normal general servicing but not as thorough as a chemical overhaul. In a chemical wash, the chemicals are applied to the evaporating coils without dismantling the fan coil unit.