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5 Reasons Your Air Conditioning Isn’t Cooling Your Home

5 Reasons Your Air Conditioning Isn’t Cooling Your Home

When you live in a tropical paradise country like Singapore, the sweltering heat can make it feel like you’re living in an oven. As such, a malfunctioning air conditioning system can turn your home into a living nightmare.

In this article, we will discuss some of the most common reasons why your air conditioning system might not be cooling your home as it should.

1. Dirty air filter

Do you ever feel like your air conditioning unit struggles to keep your home cool, even though it’s working full blast? It could be due to a dirty air filter. The air filter is designed to capture dust, dirt, and other debris that can circulate through your home’s air. Over time, these particles accumulate and cause the filter to become clogged, making it harder for the air to flow through.

When your air filter is clogged, it’s like a traffic jam on a hot day. The air can’t flow properly, and your air conditioning unit has to work extra hard to push the cooled air through. The result? Poor cooling performance and a hot, sticky home.

So, if you want your air conditioning unit to work like a champ, make sure to change your air filter regularly. Not only will it improve your unit’s efficiency, but it will also improve the air quality in your home, making it a win-win situation.

2. Refrigerant leak

Picture this: it’s a scorching hot day, and you’re eagerly waiting for your air conditioning unit to cool your home. But no matter how long you wait, the temperature just won’t budge. You might have a refrigerant leak, which can prevent your unit from doing its job.

Refrigerant is a critical component of your aircon system, absorbing heat from the air to keep your home cool. But when there’s a leak, it’s like losing a vital team member, leaving your home to suffer the heat. A refrigerant leak can also damage your unit, so don’t let this issue linger.

And while we’re on the topic of refrigerant, it’s worth noting that the aircon gas top up price in Singapore can be quite costly. However, it’s important to remember that neglecting to address a leak can result in even higher repair costs down the road.

Therefore, if you suspect a refrigerant leak, don’t delay contacting a technician to assess and fix the issue before it worsens. Trust us, your wallet (and your sweat glands) will thank you in the long run.

3. Faulty thermostat

A faulty thermostat is a possible culprit for your air conditioner not cooling things down the way it should. If your thermostat isn’t sending the right signals to your aircon unit, it can cause all sorts of chaos, from running it too much to not running it enough. Thus, if you’re feeling the heat and suspect your thermostat is to blame, it’s time to bring in the pros to inspect it.

4. Dirty condenser coils

When it comes to staying cool, your aircon’s condenser coils play a vital role. These coils are responsible for releasing heat outside, enabling the unit to produce cool air. However, these coils can get clogged with dirt and debris over time, and that can throw a wrench in their cooling powers. When that happens, your aircon has to work extra hard just to achieve the same cooling effect.

To keep your air conditioner functioning smoothly and efficiently, ensure it is cleaned and maintained regularly. That way, you’ll always have the cool, refreshing air you need to beat the heat.

5. Improperly sized unit

Is your aircon unit leaving you high and dry when it comes to beating the heat? It could be due to an all-too-common issue — the size. If your air conditioner is too small, it won’t have enough juice to keep your home cool and comfortable. But if it’s too big, it will be like a seesaw, wasting energy by turning on and off too frequently, and failing to deliver the cool air you need.

Suggested: If you’re struggling to maintain a comfortable indoor environment despite running your air conditioning unit at full capacity, the problem may be related to its size. An improperly sized unit can lead to inadequate cooling performance, wasting energy and money in the process. If your air conditioner is too small, it won’t be able to keep up with the cooling demands of your home, causing it to run continuously and fail to deliver the desired temperature. Conversely, if your air conditioner is too large, it will cycle on and off frequently, leading to energy inefficiency and an inconsistent cooling effect.

To avoid these issues, make sure your aircon is the perfect size for your home so that you can bask in a cool and relaxing atmosphere no matter the weather.


So, you’re feeling the heat and notice that your aircon unit isn’t cooling your home like it used to. There are several reasons why this might be happening, but the good news is that a professional technician can help diagnose and fix the issue, so that you can enjoy a comfortable indoor environment once again.

At Affordable Aircon Services, we understand the importance of having a well-functioning air conditioning unit in Singapore’s hot and humid climate. Thus, we are committed to providing customer satisfaction and the best aircon servicing in Singapore.

Whether you need a routine maintenance check, an urgent repair, or a new aircon installation, we are here to help. Moreover, we understand the importance of affordability, which is why we offer competitive prices for all our services without any hidden charges. Contact us today, and let us help you keep your cool!

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