With temperatures rising sharply across many parts of India, especially in northern regions, air coolers have once again become an essential household appliance during the summer season.

However, many people complain that their cooler blows warm air instead of providing proper cooling. According to appliance experts, the problem is often caused by poor maintenance, dirty cooling components, or incorrect placement of the cooler.

Here are some simple and effective tips that can help improve cooler performance and keep rooms cooler during extreme heat.

Clean Cooling Pads Regularly

One of the biggest reasons coolers stop cooling effectively is dirty cooling pads.

When dust and dirt accumulate:

• Airflow gets restricted
• Water absorption decreases
• Cooling efficiency drops

Experts recommend cleaning the cooling pads regularly to maintain proper airflow and cooling performance.

Use a Damp Cotton Cloth for Better Cooling

A simple home trick that many users follow is placing a slightly wet cotton cloth over the cooling pads.

This can:

• Improve water retention
• Increase cooling effect
• Help deliver cooler air

especially during very hot afternoons.

Avoid Keeping the Cooler in Direct Sunlight

Placing a cooler under direct sunlight can significantly reduce its performance.

Excessive heat:

• Warms the outer body
• Reduces cooling efficiency
• Increases evaporation too quickly

Experts suggest placing the cooler in a shaded area whenever possible.

Keep the Cooler Near a Window or Door

Coolers work best when fresh outside air is available.

For better airflow:

• Place the cooler near a window
  or
• Keep it close to a door opening

Avoid placing it deep inside closed rooms because air circulation becomes weaker.

Always Use Clean Water

Dirty or contaminated water inside the tank can reduce cooling quality and may also produce unpleasant smells.

Users should:

• Replace dirty water regularly
• Clean the tank frequently
• Prevent algae or dirt buildup

Clean water helps maintain healthier and cooler airflow.

Add Ice or Cold Water During Extreme Heat

During peak summer conditions, users can improve cooling by adding:

• Ice cubes
• Ice packs
• Chilled water

to the water tank.

This may help the cooler deliver colder air for short periods during extremely hot weather.

Check and Clean the Water Pump

If the cooler pump is working slowly, water circulation may reduce significantly.

A weak pump can cause:

• Dry cooling pads
• Warm airflow
• Poor performance

Experts recommend opening and cleaning the pump periodically to restore smooth water flow.

Honeycomb Pads May Perform Better

Many modern coolers now use honeycomb cooling pads instead of traditional grass pads.

Honeycomb pads generally offer:

• Better water retention
• Longer cooling duration
• Improved airflow
• Higher durability

Experts say they can provide more efficient and long-lasting cooling during harsh summer conditions.

Proper Maintenance Improves Cooler Life

Regular maintenance not only improves cooling performance but can also extend the life of the appliance.

Users should:

• Clean the cooler weekly
• Change water regularly
• Service the motor before peak summer
• Ensure proper ventilation in the room

Small Changes Can Make a Big Difference

Cooling experts say many people assume their cooler is faulty when, in reality, simple maintenance issues are often responsible for poor performance.

By following a few easy cooling and maintenance tips, users can significantly improve room cooling and stay more comfortable during intense summer heat waves.