The Impact of Air Conditioning on Health: Understanding the Risks

Air conditioning offers comfort during hot weather, but it can also lead to various health issues due to dryness. This article delves into how prolonged exposure to air conditioning affects the respiratory system, skin, eyes, and even immunity. It discusses the necessity of using a humidifier and provides preventive measures to maintain health while enjoying the cool air. Discover how to protect yourself from the adverse effects of air conditioning and ensure a healthier living environment.

By Narendra Chaudhary May 12, 2026, 13:38 IST

Effects of Air Conditioning on the Body

During the hot season, air conditioners provide much-needed relief, but prolonged exposure can lead to several negative health effects. While air conditioning cools the air, it also reduces humidity, resulting in a dry environment that can affect various parts of the body.

Respiratory System Concerns

The respiratory system is particularly vulnerable to the effects of dry air. Reduced humidity can dry out the nasal passages, throat, and respiratory tract, leading to symptoms such as sore throat, dry cough, nasal congestion, and discomfort while breathing. Individuals with asthma, allergies, or sinus issues may experience worsened symptoms.

Skin Issues from Air Conditioning

The dryness caused by air conditioning is also evident on the skin. Extended periods in an air-conditioned environment can diminish the skin's natural moisture, resulting in dryness, dullness, and itchiness. Some individuals may also experience chapped lips and skin irritation.

Eye Dryness and Discomfort

Eyes are among the most affected organs by air conditioning dryness. Continuous exposure to cold, dry air can quickly deplete the tear film on the eye's surface, leading to irritation, redness, stinging sensations, watering, blurred vision, and a feeling of heaviness in the eyes. Those who spend long hours in front of screens or wear contact lenses are at a higher risk of developing dry eye syndrome.

Impact on Immunity

Many are unaware that a dry environment can also affect immunity. The moisture in the nasal passages and respiratory system serves as the body's first line of defense against viruses and bacteria. When this layer dries out, the risk of infections can increase.

Is a Humidifier Necessary with Air Conditioning?

If you spend several hours daily in an air-conditioned space, especially in a closed room, a humidifier can be beneficial. It helps maintain moisture in the air, providing relief for the eyes, skin, and respiratory tracts. However, it is not essential for every household. If you frequently experience dryness, have children or elderly individuals at home, or suffer from allergies or dry eyes, a humidifier can be advantageous.

Preventive Measures

Keep the air conditioner temperature between 24-26 degrees Celsius.
Stay hydrated by drinking plenty of water throughout the day.
Apply moisturizer and lip balm regularly.
Use artificial tears for your eyes as needed.
Allow fresh air to circulate in the room periodically.
Regularly clean the air conditioner filters.