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Tech Tips: AC on but no cooling? Use these simple solutions and get cooling fast… Learn more
Samira Vishwas | April 28, 2026 2:24 PM CST

  • Regular cleaning of the air filter and outdoor unit of the AC significantly improves the cooling performance.
  • Keeping the AC always on cool mode and setting the temperature between 24–26°C provides adequate cooling.
  • Keeping the room fully sealed and keeping the vents and blowers free allows for proper circulation of cold air and increases cooling.

The heat in the country has increased considerably since last two months. It is seen that the increasing heat is affecting the health of many people. AC usage has also increased due to rising heat. In such a situation if your home AC is cooling slowly or not cooling then there is no need to call a mechanic in advance. Before calling a mechanic, you can try to fix this problem in your AC by following some simple solutions. Now we are going to tell you about five methods, by following which you can solve AC cooling problem without calling a mechanic. Let’s know about this in detail now.

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Clean the air filter

First of all remove the AC filter and clean it properly. A dirty filter does not pull in hot air properly. Due to which the AC has to work harder for cooling. If you use the AC excessively, clean the AC filter at least once a week. (Photo Courtesy – Pinterest)

Set signature temperature

First of all check which mode AC is running. Cooling may take a long time if you accidentally set it to AC fan mode. So if the AC is cooling slowly or not cooling then check the AC mode first. For cooling, the AC should be on cool mode and the temperature should be set between 24 to 26°C. Cooling does not happen if the AC is set to the wrong mode.

Clean the outdoor unit

Cleaning the indoor unit alone is not enough. Along with cleaning the indoor unit of the AC, it is equally important to clean the outdoor unit of the AC from time to time. A thorough cleaning is necessary to remove dust, leaves or dirt accumulated on the AC.

Seal the room

Always remember to keep the doors and windows of the room closed while using the AC. So that the cold air will not go out of the room. If cold air continues to escape from the room, the room will not cool.

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Check the blower and vents

Also, ensure that the room has proper ventilation and make sure that the AC vents are not blocked by curtains or furniture. If possible use fan along with AC.


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