Wall-mounted air conditioning unit cleaning

Do you have doubts about the efficiency of your wall-mounted air conditioner?
Check out the common problems and our solutions.

Common problems with your wall-mounted air conditioning

1Power loss and vibration of your wall-mounted air conditioner

Power and vibration problems with your wall-mounted air conditioner can be due to a number of causes, including :

  • Fan blade clogged with dust
  • Dust-clogged filter
  • Frost forming on the coil

A fan clogged with dust can significantly reduce the performance of your wall-mounted air conditioner, causing vibrations and frosting problems on the coil. These vibrations may be due to an imbalance caused by the accumulation of dirt on the fan blades, even if a filter is installed to limit dust ingress.

If the fan is clogged, the overall performance of your wall-mounted air conditioner will be affected, which can lead to more serious problems and require costly repairs in the long term. To avoid these complications, regular professional cleaning is recommended to keep your air conditioner in good working order.

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2 Frost forming on the coil of your wall-mounted air conditioner

The appearance of frost on the coil of your wall-mounted air conditioner can be due to several factors, including :

  • Coil clogged with dust
  • Dust-clogged filter
  • Fan blade clogged with dust

If you notice water marks along the wall or on the floor beneath your wall-mounted air conditioner after use, there are several possible causes:

Clogged filter

A filter clogged with dust can restrict airflow and cause frost to form on the coil of your wall-mounted air conditioner, as well as on the outdoor evaporator. A simple cleaning of the filters can sometimes solve this problem.

If the problem persists, we advise you to consult us, as in most cases a thorough cleaning is required to resolve the problem.

Sanding dust (New construction or renovation)

Exposing your wall-mounted air conditioner to sandblasting dust during construction or renovation can be detrimental. If the coil is not cleaned afterwards, a mixture of condensation and sandblasting dust can harden inside the coil, reducing the efficiency of your wall-mounted air conditioner and affecting its service life.

To avoid these problems, regular maintenance and professional cleaning are recommended to ensure the smooth operation and long life of your wall-mounted air conditioner.

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3Mould and unpleasant odours around the coil of your wall-mounted air conditioner

If you notice dirt and unpleasant odors near the coil of your wall-mounted air conditioner, it’s likely that mold is present.

Efficiency of a wall-mounted air conditioner filter

The efficiency rate of a wall-mounted air conditioner filter is no more than 15%, which means that 85% of the dust passes through the filter and into the air conditioner coil.

Coil clogged with dust and condensation

The close proximity of wall-mounted air conditioner components, such as the filter, coil and drain valve, can lead to the formation of mould around the coil. Dust mixed with condensation becomes a source of bacterial proliferation, which can be harmful to health, especially for allergy sufferers and asthmatics. Despite the precautions taken when cleaning filters, mold tends to return every year.

To prevent these problems and ensure healthy indoor air, regular and thorough cleaning of the wall-mounted air conditioner is essential. Don’t hesitate to contact us for a professional and efficient cleaning service.

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4Water slide under wall-mounted or floor-mounted air conditioner

The appearance of water under your wall-mounted air conditioner can have several causes.

Blocked drain valve

When your wall-mounted air conditioner is running, the temperature difference between the cold coil and the ambient air creates condensation inside the coil.

This condensation water is directed to a drain under the coil, then discharged to the outside via a hose. If this pipe is clogged with dirt, condensation can back up and overflow along the wall and onto the floor beneath the wall-mounted air conditioner.

Frost on the coil

If, after switching off your wall-mounted air conditioner, you see water dripping down the wall below the unit, the problem is much more serious.

The frost (ice) that has formed on the coil during use will thaw and overflow outside the drain pan, then run down the wall and onto the floor beneath the wall unit.

Outdoor evaporator

Your outdoor evaporator is not immune to the elements. An evaporator clogged with dust or pollen can lead to low pressure, creating frost on the coil of your wall-mounted air conditioner and evaporator.

The first reaction would be to contact your technician, but did you know that over 90% of the above-mentioned problems are related to dust accumulated on the filters, the air-conditioning coil and your fan, creating all the above-mentioned problems?

In most cases, these problems are due to dust build-up on the filters, coil and fan. Regular maintenance of your wall-mounted air conditioner can prevent these problems and keep it running smoothly.
Don’t hesitate to call on us for professional, efficient cleaning.

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Cleaning and maintenance of wall-mounted air conditioners

Dry steam cleaning technique

Opt for our exclusive and effective dry-steam method for deep cleaning of your wall-mounted air conditioner without risk of damage. This technique restores the efficiency of the wall-mounted air conditioner and eliminates frost, vibrations and unpleasant odors, prolonging its service life.

Preventive maintenance

Preventive maintenance can significantly extend the life of your wall-mounted air conditioner. Our preventive maintenance includes :

  • Cleaning your filters
  • Checking flow failure
  • Checking the drum (fan)
  • Checking the coil of your wall-mounted air conditioner

If you have any concerns about the efficiency of your wall-mounted air conditioner, don’t hesitate to contact us. Our specialized technicians are trained to identify and resolve any type of problem. Be sure to take preventive measures by scheduling regular maintenance to keep your wall-mounted air conditioner running smoothly.

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