Frequent Cold When Using Aircond? Here's Why & How to Avoid It (2026 Guide)
- Nabiha Az.
- 10 Nov
- 3 min membaca
Table of Contents
Introduction
Always waking up with a runny nose in an air-conditioned room? You’re not alone.
Many Malaysians experience symptoms like colds, sneezing, and dry throat after prolonged exposure to aircond environments. In this article, we explain why this happens, the real cause behind your aircond, and how to prevent recurring colds — without giving up the use of your air conditioner.
1. Why Does Using Aircond Cause a Cold?
Cold, dry environments disrupt your respiratory system. Airconds aren’t the direct cause of cold viruses, but they can weaken your body's defences:
Cold, dry air dries out nasal mucosa
This makes it easier for viruses (like rhinoviruses) to enter
Low temperatures also reduce immune efficiency
Harvard University studies show that prolonged cold environments increase the risk of upper respiratory infections.
2. Symptoms of Aircond-Induced Cold
Don’t brush it off as a regular cold — dirty or misused aircond could be the real culprit. Common symptoms include:
Runny nose upon waking
Frequent sneezing
Dry or sore throat
Mild nighttime coughing
Chills despite feeling healthy
3. Contributing Factors: From Temperature to Dirty Aircond
Identify what might be causing your symptoms:
Too-Low Temperature (<22°C) Extremely cold settings disrupt body balance
Dirty Aircond Filters & Coils Dust, pollen, and mould can circulate through the air
Low Humidity Levels Aircond reduces humidity — leading to dry nose and throat
Lack of Regular Servicing Dust buildup becomes a breeding ground for bacteria
Excessive Use (Non-stop operation) Constant cold air strains your body
4. How to Avoid a Cold When Using Aircond
Yes, you can still enjoy aircond without falling sick. Smart & healthy usage tips:
Set temperature between 24°C – 26°C
Use a humidifier or place a bowl of water in the room
Use a timer or “Sleep Mode” to manage usage time
Ensure good ventilation — open a window briefly daily
Bonus tip: Place a damp towel near the aircond to naturally increase humidity.
5. Importance of Aircond Servicing for Health
Clean aircond = clean air = better health Many don’t realise that dirty airconds may harbour bacteria, mould, and dust that can cause:
Allergies & asthma
Sinus issues
Dry skin & irritation
Respiratory infections
Statistics: Over 65% of aircond users in Malaysia have not serviced their unit in the past 12 months — the main cause of indoor air pollution.
Recommended schedule:
Filter cleaning: 1–2 times/month
Basic service: Every 3–4 months
Chemical service: Every 6–12 months
Conclusion
Colds aren’t just caused by weather — your aircond could be the reason.
By understanding how airconds affect your health, you can make smarter usage decisions. Regular servicing, ideal temperature settings, and maintaining room humidity can help you enjoy cooling comfort without sacrificing your well-being.
FAQs
1. Why do I often get a cold when sleeping in an aircond room?
Cold, dry air can dry out nasal passages, making it easier for viruses to enter.
2. Do all types of aircond cause health problems?
Not all. Well-serviced and properly used airconds usually don’t cause any issues.
3. Should I turn off my aircond at night?
Yes, or use the “Sleep Mode” feature to automatically control temperature and avoid getting too cold.
4. Can a humidifier help prevent colds from aircond?
Yes, it helps maintain healthy indoor humidity.
5. Do I still need to service my aircond even if it’s still cold?
Yes, because dirt and mould may not affect cooling but can still be harmful to health.
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