How does an AC's 'Dry Mode' work during the rainy season? Find out which is better: an air conditioner or a humidifier..

While monsoon rains offer relief from the heat, they also significantly increase indoor humidity and stickiness. In many parts of India, indoor humidity levels can reach 70% to 80% during the rainy season. Consequently, some people turn on humidifiers to improve the air quality in their rooms. However, is this the right thing to do during the monsoon? Experts state that using a humidifier during the monsoon can do more harm than good.

Should you use a humidifier during the monsoon?

According to experts, humidifiers should not be used during the rainy season. A humidifier works by adding moisture to the air, whereas the atmosphere already holds a high level of moisture during the monsoon. Running a humidifier in such conditions can further increase indoor humidity, potentially having adverse effects on both your health and your home.

When should a humidifier be used?

Humidifiers are designed for situations where the air is excessively dry—such as during winter in North India or when prolonged use of air conditioners causes the nose and skin to dry out. In some cases, doctors recommend using a humidifier to alleviate respiratory issues. However, using one during the monsoon is not advised.

What are the risks of excessive humidity?

Excessive indoor humidity can lead to several problems:

Mold and fungus can grow on walls, wooden furniture, and clothing.
Dust mites multiply rapidly, which can aggravate conditions for people suffering from allergies and asthma.
The home may develop a musty odor and dampness.
Books, electronic appliances, and wooden furniture can sustain damage.

Simple ways to reduce humidity during the rains

During the monsoon, the focus should be on reducing humidity rather than increasing it.

Use the 'Dry Mode' on your air conditioner. This reduces excess indoor humidity while also consuming less electricity. If you live in coastal areas like Mumbai, Chennai, or Kolkata, using a dehumidifier can be a good option.
Do not dry wet clothes indoors during the rainy season, as this increases indoor humidity.
Open the windows after the rain stops and use exhaust fans in the kitchen and bathroom to ensure proper air circulation.

What should the humidity level be at home?

According to experts, the ideal indoor humidity level should be between 40 and 60 percent. This keeps the home environment comfortable and reduces the risk of mold, allergies, and other issues.

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