Thermal insulation of air conditioner pipes

Thermal insulation of air conditioner pipes. What should be taken into account?

When choosing an air conditioner, buyers try to pay attention to many nuances: the design of the device, its size, functionality, power, the presence of additional operating modes. But after the purchase, there are many other questions. All of them, as a rule, are associated with the installation of an air conditioning system.

Installation of an air conditioner is an extensive and complex topic. We have devoted many articles to it, telling about the main nuances of installing split systems. Today we will talk about a seemingly inconspicuous, but very important detail-thermal insulation.

But why is thermal insulation necessary? The answer already lies in the term itself: for the sake of preserving heat. Additional insulation for the air conditioner pipes will increase the performance of the air conditioning system and protect the main line from hypothermia. To achieve the desired result, it is necessary to choose the right thermal insulation material and mount it.

In this article, we will tell you in detail how the insulation for air conditioner pipes is performed and what features must be taken into account so that the work is performed as efficiently as possible.

About materials

Good thermal insulation is characterized by flexibility and elasticity. It is made of rubber, has a low vapor permeability and thermal conductivity. High-quality material boasts resistance to corrosion and fire. If the insulation meets the listed characteristics, then it can be recommended for use with the route of the air conditioner.

What else should I pay attention to when choosing a material? For insulation for pipes, it is necessary to choose a material that is resistant to ultraviolet radiation, high or low temperatures. In this case, the copper tubes through which freon circulates will be maximally protected from external factors, which will give the system the opportunity to work at full capacity.

A few more important nuances that you need to pay attention to when choosing insulation for the freon line of the air conditioner:

  • Reliability. This parameter is difficult to determine by eye, but if you take materials from different price categories, you can see and literally feel how different the quality is. And the final reliability of the material depends on the quality, of course;

  • Cost. Cheap is rarely of high quality. In the case of insulation, this rule is only confirmed. Do not skimp on expensive material from well-known manufacturers. If you are worried about the budget, buy insulation from the average price category, but not the cheapest;

  • Physical dimensions. The insulation should tightly cover the copper tube, so the diameter must be selected with special care. It is also important to achieve a minimum number of joints between different parts of the insulation.

Rarely, but still there are situations when the freon line is opened after installation in order to mount the insulation. This is a troublesome and expensive business, but it is better to install thermal insulation late than never.

Installation of thermal insulation

insulation for air conditioning

First of all, it is better to entrust such work (as well as the installation of an air conditioner) to a specialist. In theory, such work can be carried out without proper experience. However, a professional installer has not only the necessary tools and knowledge, but also invaluable experience that a home master does not have.

If you are still confident in your abilities and want to install the insulation yourself, or plan to control the work of the installer, study the information below.

In short, the process is as follows: based on the diameter of the copper tube, thermal insulation is selected that meets the criteria of fire safety and reliability. Then a thermal insulation material is put on the tubes. The joints of the material are connected with an insulating tape.

At first glance, the process of thermal insulation of copper pipes of an air conditioner looks quite simple. But do not forget that it is preceded by time-consuming and complex work: marking, stroblenie walls and laying the route. It is not enough just to put insulation on the tube. Subsequently, it needs to be laid in a straw. And the preparation of this very stroba takes a lot of effort and time.

To prepare before laying the thermal insulation, follow the instructions:

  1. Make a marking on the wall. Determine where the indoor unit will be located, at what distance from the ceiling and window. Take into account the possible presence of curtains, a baguette and a ceiling skirting board. Do not forget to draw the place of the future stroba;

  2. Perform stroblenie, having previously studied our instructions;

  3. Put the insulation on the tubes, seal the joints with an insulating tape;

  4. Lay the track in the strobe, carefully fix it.


Of course, we have briefly described the whole process. In practice, you will see that each stage consists of many sub-stages. It is for this reason that the thermal insulation of copper pipes of air conditioners takes so much time and effort.

Stroblenie walls under the air conditioner

We still recommend that you contact a professional installer who will do all the rough work for you. Yes, laying and warming the track is not cheap. But you will save your resources and health. Believe me, laying the route is a physically difficult task. And if many are able to cope with thermal insulation, then stroblenie is only possible for a hardy person.

If after reading you are thinking about giving up insulation altogether for the sake of reducing the cost of work or simply because of an unwillingness to mess with it, do not rush to make a decision. High-quality thermal insulation of the route will reduce future energy costs, which means it will save you money.

An unheated main line makes the air conditioner work less efficiently, while spending extra electricity. It is better to take care of the correct thermal insulation of freon pipes in advance than to worry about bills later.


Freon circulates through the copper pipes of air conditioners. Thanks to it, the entire system works, regularly performing its functions, delighting you with the long-awaited coolness or warmth. But in order for the air conditioner to work really effectively, when installing it, you need to take into account several important nuances.

One of them is thermal insulation. Someone ignores the insulation, and someone on the contrary invests a lot of money in the purchase of insulation materials.

We are convinced that pipe insulation is a mandatory stage. It can not be ignored if you want the air conditioner to work efficiently, while saving your money. Yes, high-quality insulation can save your finances. This can not boast of an air conditioner, the track of which was not insulated during installation.

Any other questions? Ask them in the comments below. If you have already had the experience of installing and warming the track, be sure to share it. Give some useful recommendations for those who are just planning to carry out such work on their own. We wish you good luck!

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