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If the room is equipped with an air conditioning system, a controversial question often arises: is it possible to turn on the air conditioner with an open window? Some open a window and say that it can be done, while others, on the contrary, close all windows and doors and say - in no case should this be done! So who should you believe? Information on the operation of the air conditioner and objective judgment will help to understand the issue.

Content:

What temperature is considered comfortable for the average person?

A person during cold weather begins to chill and freeze, and during heat - to sweat and overheat. At the same time, the ability to work falls, and during overheating, heatstroke may occur. To prevent this from happening, you need to maintain a comfortable temperature regime for the human body from 18 to 25 degrees Celsius.

If in the winter time heating devices help to warm the living space, then in warm seasons the air conditioner copes with this task.

How does the air conditioner work?

Air conditioning systems can be conditionally divided according to the principle of operation into three types:

Supply air conditioning uses air that is not in this room (or outside).
Recirculation type - uses air only indoors.
Recuperative type - can use air both outside and inside the building.

All types of air conditioning systems are united by a common mechanism of operation - for cooling, air passes through the system with a cooler. Freon gas is used as a coolant.

Note! The main reason why you want to open a window when the air conditioner is running is the flow of fresh air into the room. Simple air conditioners do not provide this, however, it is feasible with air conditioning systems with supply and exhaust ventilation. Supply system provides fresh air supply to the room, and exhaust air - removal of polluted air from it. But these solutions have a corresponding price list.

We open the windows when the air conditioner is on. Causes and consequences

Modeling this situation will lead to the following conditions:

Important! Temperature regime important to observe in the case of refrigerators. An explanation about this is given by the article: "Is it possible to put hot in the refrigerator".

Will the air conditioner break when the window is on?

The main reason for the breakdown of air conditioners is water hammer. It can appear for several reasons, among which are quite common:

Low temperatures. When the room temperature is below freezing, the air conditioning system can quickly fail. Of course, few people will open windows so that the room temperature is below zero, but this must be remembered.
Clogged filters. The main and rather common reason mentioned above. Dirty "dusty" air from a window can quickly "break" the air conditioner.
Advice! Dust contaminates windows. Learn how to properly clean windows streak-free.

Advice! If you need to bring fresh air into the room, briefly open the window for ventilation and turn off the air conditioner. Then close the window and turn on the cooling device again.

In conclusion, I want to say: you are the owner of your equipment and only you can decide how to dispose of it. Air conditioning engineers advise not to open windows during the operation of this equipment, so as not to lose the warranty, not to reduce the service life and not to break the air conditioner.

Many people are familiar with the situation when the air conditioner is turned on in the office, the air seems to be cool, but there is nothing to breathe. The question arises, what if you open a window and leave the air conditioner on?

It should be understood that a conventional air conditioner only cools the air in the room, i.e. recycles used air without supplying fresh air. Fresh air with a sufficient amount of oxygen is simply necessary for the normal well-being of a person. Therefore, the desire to open windows is absolutely understandable.

When it is very hot outside, keeping the window open while the air conditioner is running is pointless, and even harmful:

The air conditioner will be ineffective and it will still be hot.
The air conditioner will work without switching off and will use up its resource faster, i.e. will simply break down faster.
In this case, the consumption of electricity will be maximum, because the air conditioner will run at full capacity without stopping, trying to cool the hot outside air.

According to sanitary standards, the minimum exchange of air in a room is determined by the sum of the need for breathing air and air for diluting the harmful substances emitted into the room, taking into account a given area per person.

For an office space, for example, the rate is 9 m3 / h (2.5 l / s) per person plus 1.08 m3 / h (0.3 l / s) per m2 of area, while the area norm is 14 m2 / person.

Therefore, it is clear that if there are a large number of people in the room, simple ventilation will not help; a constant supply of fresh air is required. This problem can be partially solved by using a ducted air conditioner. If an air conditioning system is already installed in the room, and it is not planned to change it, you need to install supply unit, which will supply fresh air from the street at any time of the year.

It is also important to know that for the normal operation of the air conditioner, it is necessary to carry out regular maintenance, because As a result of seasonal work, dust and dirt accumulate on the indoor and outdoor units, which leads to a deterioration of the indoor climate and breakdowns of the air conditioner.

Summer time (especially in the southern regions) can increase temperatures up to + 35, + 40 degrees Celsius. Cars with such indicators simply heat up (even if they do not stand in the sun). How to properly cool the car interior? Ventilate or turn on the air conditioner? Or can you open the windows when the air conditioner is on? Let's figure it out? As usual there will be an article + video version ...

There are only a few persistent myths, for example:

Do not open windows if the air conditioner is running - the latter will break
Do not open when the cooler is running - because you can get sick
Open windows consumes MUCH less fuel

Here, as usual, there is some truth, there are also pure myths - let's figure it out.

How should you proceed?

At the very beginning, I will tell you how to proceed. If the car is very hot, then you can first open all the windows (or at least the front ones) and drive there a few hundred meters, the oncoming air flow will cool the interior. Excessively heated air will come out of the car - then you can close the windows and turn on the air conditioner, it will come to its capacity faster and cool the interior faster.

This is the most optimal way cool the interior in the heat. It doesn't matter what you have installed, air conditioning or climate control

However, not many do that.

The air conditioner will break if you open the windows?

Where did many people get it on the net? Why should it break, for what reason? He worked and will continue to work - just the energy that goes to cooling the cabin will go to waste.

When you open the windows, the cooled air will simply fly out the window, and warm air from the street will come in its place.

BUT the air conditioning system has worked and will continue to work in normal mode.

If you have climate control, in the "AUTO" mode (it has a temperature sensor), it can increase speed and will work at full power, trying to catch up with the desired temperature.

However, no breakage will occur. The air conditioning system is designed for such loads, withstands them without problems.

So if you want to ride with air conditioning and open windows - RIDE, but it makes very little sense!

If I open the windows, I'll get sick!

There is such a myth - supposedly cold air from the passenger compartment will mix with hot air from environment and all at once a disease.

Is this completely incomprehensible to me? For example, outside + 30 degrees, in the cabin + 22, +23 degrees, even if you open the glass, mixing will occur - cold air will come out and warm air will come in, nothing terrible will happen. From what will you get sick? YES and the difference is only + 7 degrees, this is not critical.

You can get sick if you reduce the temperature inside the cabin too much, for example, to + 18 degrees and direct the nozzles of the air ducts towards yourself. Sit down hot and there is such icy air, almost 100% that you will get sick.

It is also worth cleaning the air conditioning system every year (well, at least two years), changing the cabin filter (I advise you at least once a year, I personally change it twice a year) - after all, in these systems a lot of garbage and all kinds of byaki settles, up to mold. And then we breathe it, this is what can provoke various diseases, such as colds.

Increased fuel consumption

When you turn on the air conditioner (or climate control), some people write that fuel consumption increases. This is logical, they open the windows to ventilate the cabin and save money. This is not always worth doing! Why?

Consumption increases by an average of 1-3% under various driving conditions. The slower you move, the less it grows
On the economy track, you may not even notice when you are moving at speeds over 60 - 70 km / h and your windows are open, the effect of a parachute is created, which also slows down the car. It turns out that again the same 2 - 3% are spent on this effect, of course this is not comparable to the consumption of the air conditioner, but it is growing.

Of course, if you are in traffic jams, the expense will be higher here, because you have to pay for the comfort. But on the highway, there may not be any savings at all

Now a useful video version, we are watching

In conclusion, can the windows be opened when the air conditioner is on? Of course you can, why not? Nothing will break and you will not get sick. But I personally don't see any sense in such an act. Because the cold air will evaporate very quickly, and you will waste the energy that was needed for cooling.

Personally, I always move with climate control, my air is directed to the windshield and legs, the windows are closed, usually the temperature is set to +22 degrees Celsius. It saves very effectively from almost any heat.

Often, if an air conditioning system is installed in the room, a controversial question arises, is it possible to open the windows when the air conditioner is running? Some open the window vents for seemingly quick airing of the room, others say that this should never be done. So what to do in such a situation to open or not open windows?

What is a comfortable temperature for a person

For human body comfortable temperature ranges are from 18 to 25 degrees above zero. If the air is cooler, we begin to chill and freeze, if it is higher, the person quickly overheats, performance decreases, if the rates are too high and in a poorly ventilated room, even heatstroke is possible.

In hot weather, to avoid uncomfortable conditions, an excellent solution to the problem is to use an air conditioner.

The principle of operation of the air conditioner

In domestic conditions, three types of air conditioners can be used working in different ways.

Supply type air conditioners work using air from outside the room.
The recirculation type for its work uses air masses only inside the building.
Recuperative types of air conditioners can work both according to the first and second principles.

But all three types of device work on the principle of cooling the air passing through the system with a cooler, which is freon gas.

From this comes the answer to the question to open a window or not when the air conditioning system is running.

Several reasons why you cannot turn on the air conditioner with an open window

A sharp increase in air volumes

With the windows open, in the room, the amount of air increases sharply and in significant volumes. The air conditioner working for cooling, according to the recirculation principle, has temperature sensors, and the intake of more heated air forces it to work more to cool the increased volume of air masses. For this, a greater amount of energy and resource of the device is expended, and at the same time the cooled air will go out into the open windows, and the lighter heated air will enter the room. This will have a very negative effect on the operation of the air conditioner, since the device will constantly increase the power of its work. And of course, the consumption of electricity for the enhanced operation of the air conditioning system will significantly increase.

In this case, the air temperature in the room may not change at all.

Supply and recuperative types of air conditioners with open windows will also increase the power of their work.

Dirty filters of the device

If a window with outside air is open, dust will also enter the room. The more busy the place near the house, the more dust is in the air masses. The operation of the air conditioner with open windows will be associated with filtration of more polluted outdoor air, and as a result, this will lead to accelerated clogging of the device filters.

To avoid damage to the air conditioner, filters must be cleaned, and ignoring this issue will lead to a decrease in the service life.

Risk of colds

When the air conditioner is operating, a colder air flow is created in the building, simply a draft, and a person who is under such a stream for a certain time can easily get a cold. Manufacturers of air conditioning systems take this into account, therefore, the operation of the device is based on a thermostat.

When the room temperature reaches the set temperature, the cooling operation slows down. The air conditioner picks up speed again when the sensor detects an increase in the indicator. That is, the device does not blow constantly. If you open the windows, a constant influx of hot air masses are forced to constantly cool the air, and the device will constantly create streams of cold air. As a result, a cold is guaranteed. To avoid this, you need to close the windows when the air conditioner is running.

Can the air conditioner break when the window is open?

Most often, the main reason for the breakdown of air conditioning devices is water hammer. It can arise for several reasons, but two are directly related to the question.

Low temperatures. The air conditioning system may break down if the room temperature is below zero. It is clear that no one opens the windows in winter so much that the air cools down to below zero, but it is worth knowing this.
As mentioned above, this is the clogging of the filters as a result of the ingress of contaminated air.

And finally, if there is an air cooling system in the room, then why open the windows? After all, it is the hot outside air that causes the temperature in the room to rise, the building itself, with the windows and doors closed and tightly curtained, heats up very slowly and it will take more than one day to reach the outside temperature. If you turn on the air conditioner in the room, then with the windows closed, the temperature in the room will quickly drop, and will remain so for a very long time even when the device is turned off.

A professional master, when asked whether it is possible to open windows when gluing wallpaper, will ask a few more, and only then will he be able to give the correct answer. This rule has existed for a long time - drafts are unacceptable when gluing and drying the canvas. But is it relevant now, and why airing the room can have a bad effect on the wallpaper.

Everyone who had to participate in the process of wallpapering has heard about the rule. But not everyone was eager to get detailed information on why a draft should not be allowed. Therefore, this law of wallpapering has become a common truth.

With uneven drying, paper wallpaper shrivel. If a sharp temperature drop in a separate area is allowed by the flow of cold air, the canvas will partially become covered with bubbles, deform and may peel off.

Interesting! Indeed, when wallpapering, you need to close the windows and doors tightly so that a natural, uniform drying process takes place. This applies to all types of materials, but to varying degrees. An open window, regardless of the type of material and glue, can adversely affect this process.

The “closed window” rule for paper canvases is still relevant today.

To get a beautiful canvas without defects, you must comply with the following conditions:

During work and within 2 days and after, a draft must not be allowed through an open window. Wallpaper (paper) dries for about 12 hours at 20 degrees, if the temperature is lower, it may take a little longer, because 2 days will be quite enough with a margin. Exactly after 12 hours, it is better not to open the window, because it is difficult to precisely comply with the conditions for drying within the specified period.
It is not necessary to change the humidity in the room, including the air conditioner. During the evaporation of moisture, the room will become stuffy, but this will only contribute to the process. The air should not be humidified; the evaporated moisture will do this without additional intervention.
There is no need to speed up the process with a fan, because the air flows will disturb the uniform temperature distribution. The heater should also be discarded.

Reference! You can easily assess the degree of drying of the wallpaper - by touch. If they are already dry, you need to give a little more time, if wet, you need time to dry completely and wait a couple more hours for insurance.

The fact that when you glue the wallpaper you cannot open the windows, they say about any canvases, including non-woven and vinyl. In some cases, it is recommended to avoid air currents during the week. This is due to the fact that non-woven wallpaper takes longer to dry.

Related article: How to glue wallpaper with stretch ceiling- what is the best place to start? Sequence and features of the process

It is known for sure that non-woven fabric is not afraid of cold air currents as much as paper. This is due to the fact that the top layer of the canvas is not impregnated with glue and dries almost immediately. You can hear that someone left the windows open without any consequences.

Reference! Strong and sudden changes in temperature and the flow of cold air can also harm non-woven fabrics. Therefore, it is possible to speak about a successful gluing experience with an open window only when the temperature is above zero in warm summer weather.

It is possible to open windows after gluing non-woven and vinyl wallpaper, but it is recommended to wait at least a day. This time is sufficient for the prevention of deformities.

For non-woven fabrics, more problems may occur due to improper gluing technique, rather than due to work with an open window.

Importantly, other repair work in a room with damp wallpaper is not recommended. This can affect the quality of the web that is not yet completely dry. Some jobs raise the temperature significantly, others can provoke flaking of individual areas.

In the video: Why you can't open windows while wallpapering.

Certain points in terms of the drying conditions for wallpaper require discussion, it is not immediately clear what the rule includes, prohibiting opening windows when gluing. For example, it does not apply to adjacent rooms. In other rooms, ventilation must be done during the repair.

Do not wait a week in a stuffy room, especially when gluing non-woven and vinyl wallpaper. You just need to make sure that there is no draft.

Walking indoors at high speed is not dangerous. Only a constant draft can adversely affect drying. You don't need to try to do everything smoothly, in fear of creating a draft. Several people can glue the wallpaper, waving their hands as much as necessary.

Related article: Is it possible to glue wallpaper on wallpaper: solution to the issue, pros and cons of gluing

Leaving the door to the next room open is acceptable if there is no draft. If the air conditioner or fan is turned on, then it is better to close the room.

It makes no sense to wait a few more days after the wallpaper is dry. The required time is 2 days. More is possible, but not necessary, and it is better to ventilate the room, which will be beneficial to health.

In summer, in warm weather, when there is no wind, there is no need to worry about drying out. The strips will dry evenly and without defects. The latter can appear even during gluing, but it is easy to miss them with the naked eye. Then you need to use the methods of eliminating air bubbles after the glue has dried.

To get rid of air bubbles after the glue dries, you need:

Draw glue into the syringe.
Pierce the convex area with a needle.
Release the product by pressing with your hand.

Reference! If the problem of air bubbles occurs in the corners, which is important for uneven walls, you can make small inconspicuous cuts.

If gluing and drying occurs at a temperature of 20 degrees or more, you shouldn't worry at all. The canvas will dry in about 12-16 hours. Having started work in the morning, the next evening you can not worry about open vents, windows and doors.

Is it possible to turn on the fan

The fan creates currents of cold air, which affects the wallpaper, just like an open window. It should be glued without it. Drying in this way cannot be accelerated, but you can harm the wallpaper. When working with non-woven fabric, you can turn on the fan at low speeds.

The main precautions apply specifically to paper canvases. You need to glue them in a warm room without drafts. Non-woven and vinyl wallpapers does not require such strong caution, but you can hedge yourself if nothing prevents it.