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How to make the maintenance of a window air conditioner

Jun 01, 2022

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A window air conditioner is an optimal solution to provide a comfortable microclimate in many-story houses, office buildings, and other premises. A powerful and productive system effectively copes with a number of tasks: eliminates dirt from the inlet air, and increases or decreases the temperature on the premises. Advanced models are capable of ionizing the air.

But even the most effective window air conditioners require regular technical maintenance. In this case, they can effectively work for a long time, fulfilling their tasks. The air conditioner maintenance company in Denver Best Heating Cooling & Air provides the full cycle of services for the maintenance of systems of various types. For that, we have an assigned team of specialists, who have been working for many years in the industry.

The principle of work of window air conditioner and main malfunctions


A window air conditioner is composed of one block, which is installed under the window, on the street, or in the window frame itself. The simplicity of the installation contributed to the high popularity of the device, and even people of average income can afford it. The device is capable of supporting the optimal microclimate in one or several rooms (depending on its power).

Over time, internal parts of the window air conditioner can be clogged with dirt and other garbage. That lowers the effectiveness of air circulation. If you ignore the problem, the system may break down. In that case, the only option left is to throw the system away and spend money to buy a new one.

How to maintain a window air conditioner?


After a window air conditioning system is purchased, users shall provide regular technical maintenance of it. That means that you don’t have to wait until obvious signs of malfunction appear. Regular maintenance of a window air conditioner includes:

  • periodic cleaning of filters (at least, once a month)

  • the correct set of the work regimen — it is better to turn off your window air conditioner when it is too cold outside

  • contacting specialized service centers when you see any sign of malfunction

  • adjustment of its workload — you shall not exploit your device always on top of its output.


You must consider that the window air conditioner’s block is usually positioned outside the window. In many-story houses, it can be positioned high enough, so any attempt to disassemble it or take it out of the window is dangerous for human health and life. So you shall contact a professional who has all the tools and experience required.

What professional maintenance includes?


Professional maintenance of window air conditioners includes:

  1. visual inspection of the wholeness of all basic elements of the system

  2. disassembling the device to check the workability of internal parts

  3. repairing or replacing the damaged or badly functioning parts with new and high-quality ones

  4. cleaning the filters, filling or replacing the coolant when necessary

  5. running the diagnostic and adjustment of work.


Professional maintenance has to happen according to a strict plan. After the malfunctions are eliminated, users receive thorough and detailed consultation on how to correctly exploit the system. This allows to maximally prolong the work term of the window air conditioner and postpone the future contacts of specialists of a service center.

One should remember that maintenance of window air conditioners is the prerogative of their owners. It is unreasonable to believe that after the system is bought and installed, it will self-clean and work endlessly. It requires careful exploitation and regular preventive maintenance. Only given this, it can function for the prescribed term of exploitation without malfunctions. So you shall contact a service center not when your window air conditioner will have stopped functioning but regularly, even if you don’t see any signs of malfunction at the moment.

Advantages of timely service maintenance


Regular preventive maintenance of a window air conditioner is not only a guarantee of its continuous work. It gives several other specific advantages:

  • regular cleaning of the filters allows saving the energy consumption by 5-15%, so you pay less money from your household budget for utilities (you could use the saved money, for instance, to treat yourself or your children to something delicious)

  • stable air circulation inside the premises, the absence of temperature swings

  • effective purification of the inlet air — the street air might contain dust and pathogenic microorganisms, which would cause allergies, viral infections, and other unpleasant things

  • no need to buy new spare parts.


Investment in the regular service maintenance of your window air conditioner really helps save. When you ignore this procedure, you shall spend more money to buy new spare parts. In complex cases, this might require the entire change of a system of air conditioning.