When your aircon starts displaying signs of warm air levels, it’s time to consider the possibility of having your aircon gas topped up. To further put this to the test, you can put your hand in front of the vent and examine it closely. If it blows the slightest hint of warm air, you need to contact a professional as soon as possible.

Water leaking from your aircon means vaporization can't take place properly. And the primary reasons vaporization isn't taking place may be because there isn't sufficient gas to complete the process.

Aircons are meant to be felt, not heard. If yours makes noise, then there's probably something wrong.

Some issues can't be discerned with the naked eyes, like ice deposits on the aircon's coils. Without regular upkeep to detect and fix this, slightly frozen coils may lead to corrosion within the aircon unit. The only way to avoid this is to preempt it with standard aircon care procedures.

If the aircon's power keeps flickering on and off, there isn't a ghost in your home, you just need an expert to look at it.

Aircons come with regulators that test the room temperature, thereby adjusting its cooling system to save energy. If your air conditioner isn't regulating itself, because it doesn't think the room is cooling down, then it’s a sign that there’s a problem. For this, you may check and closely examine how well the aircon’s thermostat is functioning before concluding that you need an aircon gas top up.

This is a no-brainer. If an expert tells you that your aircon gas needs to be topped up, it does.

Bottom line? An aircon gas top up should be done regularly, along with periodical maintenance, because of the following:

• It allows your aircon to function at maximum energy efficiency
• It prevents a snowball of mechanical faults that may arise due to low gas level
• It allows the aircon cool the room temperature like it’s supposed to
• Membership perks
• Just a 10% drop in your gas can lead to a 20% increase in your electricity bill, so don't put off maintenance.