For Aircon Servicing & Repair

Call Today 9161-3535

For New Aircon Installation

Call Today 9006-1990

Understanding the Causes of Water Leaks in Air Conditioners

Understanding the Causes of Water Leaks in Air Conditioners

Hot, humid days can leave you feeling uncomfortable and bothered, but thankfully, air conditioning units are here to save the day. However, when your beloved aircon unit starts to drip water, it can quickly go from being a saviour to a source of stress.

If not dealt with quickly, water leaks can wreak havoc on your home and aircon unit. Understanding what’s causing the leaks is essential to prevent potential damage. In this article, we’ll dive into the most common reasons behind water leaks in air conditioning units. Get ready to become a water leak detective and protect your home from costly damages!

1. Clogged drain line

Is your air conditioning unit leaving a watery mess around your home? It’s time to check your drain line. As your aircon works hard to cool your home, it also removes moisture from the air through the evaporator coil. This moisture turns into water droplets that are supposed to flow safely through a drain line and out of your home.

However, if your drain line is clogged with dirt and debris, water can’t escape and starts to pool around your unit. This can cause water damage to your home and may even lead to harmful mould and bacteria growth. Keep your air conditioning unit running smoothly and avoid unwanted odours by regularly checking and cleaning your drain line.

2. Damaged condensate pump

In some air conditioning units, the drip pan is equipped with a condensate pump that is responsible for pumping out the collected water to a drainage system away from the unit. This is especially helpful for units installed in areas where it’s difficult to drain water outside the house. But if this pump is damaged or malfunctions, it can spell trouble.

A faulty pump may struggle to pump out the collected water, causing the drip pan to overflow and create water damage in your home. And if the pump itself is leaking water, that can cause even more damage to your surroundings.

3. Cracked or damaged drain pan

The condensate drain pan is an essential component that collects all the moisture and humidity removed from the air, and safely disposes of it outside your home. But over time, wear and tear can cause it to crack or break.

When the drain pan is compromised, water might leak out of the unit and pool around the base of the system. This can damage your floors, carpets, and other surfaces in your home, as well as provide a breeding ground for mould and mildew.

4. Dirty air filter

Air filters not only keep your home’s air clean but can also help prevent unpleasant odours from circulating throughout your living space. They act as a barrier, filtering out dust, dirt, and other unwanted particles from the air passing through the air conditioning unit. However, when the filter becomes clogged with dirt and debris, it can cause many problems, including water leaks.

A clogged air filter restricts the airflow in your aircon system, causing it to work harder and longer than necessary. Overworking the system can result in increased condensation and ice formation on the evaporator coil. When the ice melts, the water produced can overwhelm the drain pan, causing water to leak onto the floor and damage your home.

5. Low refrigerant levels

Refrigerant is like the superhero of your air conditioning system, swooping in to save the day by keeping your home cool and comfy, no matter how scorching it is outside. It absorbs heat from the air and carries it away to the compressor and evaporator components.

But if your refrigerant levels start to run low, the system’s pressure can plummet, causing the temperature to drop rapidly, thus creating a frosty layer on the evaporator coil. As the ice melts, the condensate drain pan can become overwhelmed, leading to a watery overflow and potential damage to your floors, walls, and ceilings.


Is your aircon unit causing a mini flood in your home? Don’t let the water damage escalate, and act fast by calling for professional aircon repair services. Ignoring the issue can result in more serious problems down the line, and it’s always better to be safe than sorry.

At Affordable Aircon Services, we’re committed to providing reliable aircon servicing in Singapore with excellent customer service and support. We believe in transparency and honesty, which is why we’ll always provide you with a detailed explanation of the problem and the steps needed to resolve it. We also offer affordable and transparent pricing, so you can be confident that you’re getting the best value for your money.

Don’t let aircon problems ruin your comfort and quality of life. Call Affordable Aircon Services today to schedule a consultation and experience the difference our expertise can make!

Comments are closed.