Is Your Aircond Not Cold Enough? These Issues May Be the Cause

Index:

• Introduction

• 1. Dirty Air Filters

• 2. Low Refrigerant Gas Levels

• 3. Faulty Thermostat or Sensor

• 4. Blocked or Dirty Condenser Unit (Outdoor Unit)

• 5. Aircond Is Undersized for the Room

• 6. Leaky or Poorly Insulated Ducts (for Central Systems)

• Did You Know?

• Conclusion

• FAQs

Introduction ❄️🌡️

Living in Malaysia, a working air cond is more than a luxury—it’s a necessity. But what happens when your unit is running, yet the room still feels warm? If your air con is not cold enough, don’t rush to replace it. Several common issues could be affecting its cooling performance.

1. Dirty Air Filters 🧼

Clogged or dusty filters reduce airflow, making your air conditioner work harder to cool the space.

Symptoms:

• Weak air output

• Unusual noise from the indoor unit

• Musty smells

Solution:

• Clean filters every 2–4 weeks

• Replace filters every 3–6 months for optimal airflow

2. Low Refrigerant Gas Levels 🧯

Refrigerant (gas) is essential for cooling. If it’s low, your A/C can’t absorb heat effectively.

Symptoms:

• Warm air blowing despite correct settings

• Ice forming on copper pipes

Solution:

• Schedule a professional gas top-up and leak check

3. Faulty Thermostat or Sensor 🧠

If your thermostat isn't functioning properly, your aircond may misread room temperature and fail to cool efficiently.

Symptoms:

• Air cond turns off too early or runs constantly

• Inconsistent room temperature

Solution:

• Calibrate or replace the thermostat

• Ensure sensors are positioned correctly and not exposed to heat

4. Blocked or Dirty Condenser Unit (Outdoor Unit) 🌬️

Your outdoor unit expels heat. If it's clogged with dirt or leaves, it can't release heat properly, reducing efficiency.

Symptoms:

• Overheating or sudden shut-off

• Poor cooling even on high fan settings

Solution:

• Clean the condenser fins and remove obstructions

• Schedule annual professional servicing

5. Aircon Is Undersized for the Room 📏

If your aircond is too small for the room size, it will never cool the space effectively.

Symptoms:

• Runs constantly without reaching desired temperature

Solution:

• Upgrade to a higher BTU unit that matches your room dimensions (e.g., 1.5HP for 150–200 sq ft room)

6. Leaky or Poorly Insulated Ducts (for Central Systems) 🧯

For homes using ducted systems, leaks can cause cooled air to escape before reaching rooms.

Symptoms:

• Uneven cooling

• Higher energy bills

Solution:

• Seal duct leaks and upgrade insulation

Did You Know? 🤔

Illustration credited to cilisos.my

According to Malaysia’s Energy Commission, poorly maintained air conds can increase electricity usage by up to 30%, and reduce cooling capacity significantly.

Source: Suruhanjaya Tenaga (ST)

Conclusion

If your air conditioner (A/C) isn’t cold enough, the issue may be simple and fixable. Dirty filters, low gas, or a blocked outdoor unit are common culprits. With regular maintenance and proper sizing, your air cond can cool efficiently and save energy.

FAQs 🧠

1. How often should I service my aircond?

At least once every 6 months, or every 3 months for heavy usage.

2. What is the ideal room temperature setting in Malaysia?

24°C–26°C is recommended for both comfort and energy efficiency.

3. Can I top up refrigerant gas myself?

No. Always get a certified technician to handle gas-related services.

4. Does fan speed affect cooling performance?

Yes. Higher fan speeds help distribute cool air more quickly.

5. How do I know if my aircond is the right size?

Refer to a BTU chart or ask a technician to calculate based on room size and insulation.

Need Fast Aircond Servicing in Malaysia?

Book reliable, expert technicians to diagnose and restore your aircond's cooling power at Encik Beku today! ❄️🔧