Understanding AC-Related Health Issues: Tips for a Comfortable Summer

As summer temperatures rise, air conditioning becomes essential, but it can lead to discomfort like sore throats and dry coughs. Experts explain that these symptoms are often due to changes in indoor air quality rather than infections. Dr. Nilesh Sonawane highlights the importance of maintaining proper AC settings and avoiding direct airflow to prevent respiratory issues. Simple tips such as keeping the temperature between 24-26°C, staying hydrated, and ensuring regular maintenance of AC units can help mitigate these problems. Understanding the difference between AC-related irritation and viral infections is crucial for effective management. Read on for more insights and expert advice.

By Narendra Chaudhary Apr 11, 2026, 17:33 IST

The Impact of Air Conditioning on Health

As the heat rises, air conditioning units become vital for maintaining comfort. However, many individuals experience symptoms such as sore throats, dry coughs, and throat irritation after extended use of ACs, often referred to as a 'summer cold.' Experts clarify that these symptoms are typically linked to changes in indoor air quality and low humidity levels rather than viral infections. Dr. Nilesh Sonawane, a Consultant Pulmonologist at Apollo Clinic, explains, 'Most of these health issues arise from how air conditioning alters indoor air quality and moisture levels.'

How Air Conditioning Affects Your Well-Being

Air conditioning systems function by extracting heat and moisture from the air. While this process cools the environment, it also leads to dryness, which can irritate the respiratory system. This dryness can cause discomfort in the mucous membranes of the nose and throat, resulting in symptoms such as:

Dry throat
Persistent cough
Mild throat irritation
Breathing difficulties for sensitive individuals

Dr. Sonawane notes that these symptoms are often misinterpreted as infections, but they are frequently the result of the side effects of air conditioning on the respiratory system. 'Air conditioning helps cool indoor spaces by removing heat and moisture, which reduces humidity and provides relief from summer heat, but it also creates a dry environment,' he adds.

Avoiding Common Mistakes with AC Settings

One prevalent error is setting the AC temperature too low, often at 18°C or below. Although this may provide immediate relief, it significantly decreases moisture in the air, leading to increased dryness and irritation. Dr. Sonawane recommends maintaining the air conditioning temperature between 24-26°C to ensure comfort while minimizing the risk of throat irritation and respiratory discomfort. This temperature range helps prevent excessive dryness and safeguards respiratory health.

The Risks of Direct AC Exposure

Prolonged exposure to direct airflow from an AC unit can exacerbate symptoms. Continuous cold air can irritate the throat and may even trigger bronchospasm, particularly in individuals with asthma or allergies. To mitigate these risks, it is advisable to avoid direct airflow on your face or body, take regular breaks from AC exposure, and utilize fans after cooling the room instead of relying solely on AC.

Another significant concern is poor indoor air quality. When air conditioning units operate continuously in enclosed spaces, the same air is recirculated. If the filters are not clean, they can distribute dust, allergens, mold, and bacteria. Regular maintenance is essential; cleaning or replacing AC filters can ensure cleaner air and lower the risk of respiratory problems.

Distinguishing Between Summer Colds and Viral Infections

Dr. Sonawane emphasizes the importance of differentiating between AC-related irritation and actual viral infections. Symptoms from AC irritation may include a dry or scratchy throat and a mild cough, but typically do not involve fever or body aches. In contrast, a viral 'summer cold' is characterized by fever, fatigue, a runny nose, and muscle aches. If symptoms persist or worsen, seeking medical advice is recommended.

Tips to Prevent AC-Related Health Issues

To safeguard your respiratory health during the summer months, consider these expert recommendations:

Set the Right Temperature

Keep your air conditioner set between 24–26°C.

Stay Hydrated

Consume plenty of water, soups, and warm fluids.

Utilize Steam Inhalation

This can help soothe dry airways.

Enhance Ventilation

Open windows to allow fresh air circulation.

Limit Night Exposure

Use sleep mode or timers on your AC.

Maintain Your AC

Regularly clean or replace filters.