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How To Clean Your Air Conditioner and Use Less Electricity

Published on 10/03/2025 at 11:24
Updated on 10/03/2025 at 11:27
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Knowing How to Clean the Air Conditioner Is Essential to Increase the Lifespan of the Appliance, Preserve Your Health and Reduce Energy Consumption

Keeping the air conditioner clean is essential for the health and proper functioning of the appliance. A lack of cleaning can reduce the efficiency of the equipment, increase energy consumption, and cause respiratory problems. We show you how to clean the air conditioner simply and safely.

A lack of cleaning can result in the proliferation of dust mites, dust, and bacteria, compromising air quality. Additionally, a dirty filter reduces the efficiency of the appliance and can lead to motor overheating.

Another important point is energy savings. Dirty equipment works harder, increasing electricity consumption. Therefore, keeping the air conditioner clean helps prolong its lifespan and reduce maintenance costs.

Signs That the Air Conditioner Needs Cleaning

Some indicators show that it is time to clean the appliance:

  • Unpleasant odor coming from the appliance;
  • Low performance in cooling;
  • Appliance leaking water;
  • Increased energy consumption;
  • Excess dust in the environment.

If you notice these signs, clean it as soon as possible.

How to Clean?

Cleaning the air conditioner can be done at home with some care. However, it is always recommended to follow the manufacturer’s manual instructions. Here are the steps:

  • Turn off the appliance from the outlet.
  • Remove the front panel by loosening clips or screws, depending on the model.
  • Clean the external surfaces with a dry cloth or a cloth dampened with warm water.
  • Remove the air filter from the appliance.
  • Wash the filter under running water with mild soap and a soft sponge.
  • Allow all parts to dry naturally before reassembling the appliance.

    These steps are similar for window and split models, but some variations may exist between brands. It is essential to check the manufacturer’s recommendations.

    However, the ideal solution is to hire a specialized professional. They have the technical knowledge to ensure complete cleaning and check for potential failures in the appliance. Nonetheless, small maintenance tasks can be done by the user, following the appropriate precautions.

    What is the cost of professional cleaning? The price varies according to the model and the level of dirt. On average, the cost of the service can range between R$ 200 and R$ 800. Some companies include filter replacement in the maintenance.

    Is it dangerous to use a dirty air conditioner? Yes. In addition to harming health, a dirty appliance can emit foul odors and have reduced efficiency, increasing energy consumption.

    Can you pour water on the appliance? No. Only the filter can be washed under running water. Other parts should be cleaned with a slightly damp cloth to avoid damage.

    If there is mold in the air conditioner, it is best to call a technician for deep cleaning. The presence of fungi can cause respiratory problems and allergies, making proper removal essential. Cleaning the appliance prevents the spread of spores in the environment, ensuring healthier air.

    The time required for cleaning depends on the model and the level of dirt, but it generally takes a few hours.

    For regular maintenance, it is important to avoid flammable products, such as alcohol. It is recommended to use a damp cloth with mild soap to safely clean the exterior of the appliance.

    Keeping the air conditioner clean is essential to ensure air quality and the proper functioning of the appliance.

    Regular cleaning prevents health problems, improves the efficiency of the equipment, and reduces energy consumption. If there are doubts or signs of excessive dirt, it is best to seek help from a specialized professional.

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    Fabio Lucas Carvalho

    Journalist specializing in a wide variety of topics, such as cars, technology, politics, naval industry, geopolitics, renewable energy, and economics. Active since 2015, with prominent publications on major news portals. My background in Information Technology Management from Faculdade de Petrolina (Facape) adds a unique technical perspective to my analyses and reports. With over 10,000 articles published in renowned outlets, I always aim to provide detailed information and relevant insights for the reader.

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