Air curtain: How to choose the best in 2021?
Hello welcome! If you are thinking of buying an air curtain, this is your article. Here we will give you all the tips on how to choose the ideal model for this product that has grown in popularity.
Air curtains are part of the group of equipment that help to withstand extreme heat. In times when summers are getting hotter and it seems difficult to support them without the help of fans, air conditioners or air conditioning, they are a great option.
But how do you know which air curtain model you need? And how to know if, among so many options of equipment for this purpose, it is really the best? Stay tuned as we’ll explain all of that below!
First, the most important
- Air curtains act as barriers that prevent air from entering and leaving the room. They alone do not cool or heat. If that is the intention, it is necessary to combine it with an air conditioner or air conditioner.
- It is very important to pay attention to the width of the air curtain. It must be equal to or slightly higher than the door over which it will be installed to function properly.
- The use can be domestic or commercial. In the first case, prices can vary between R $ 300 and R $ 500, in the second, it varies up to about R $ 900 in models produced that do not need to be made to order.
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The best air curtain models: Our favorites
Through evaluations on reputable shopping sites, we prepared this Ranking with great models of air curtains. Below, a short description of each of them and a brief explanation of their main advantages:
- A cost-effective air curtain
- A great air curtain option for commercial environments
- A great choice of high performance air curtain
You may never have noticed, but the air curtain is present on the door of several establishments. It prevents fresh air from leaving the air conditioner when the door opens.
Do you know exactly how an air curtain works? What is it for? How can you improve your daily life? And, mainly, what are the main advantages and disadvantages of having one? That’s all we’ll talk about now!
What is an air curtain and what is it for?
As the name implies, this equipment works exactly like a curtain. It must be installed just above the door and creates a large air barrier under it. It is this barrier that prevents the inside air from leaving and the outside air from entering.
Once installed, it will allow the atmosphere inside the room to be maintained even with the door open, as outside air will not be able to enter. For days of extreme heat, therefore, it will work to keep environments cool and air-conditioned.
Most models are able, depending on the power and the airflow, to go beyond this primary function. Good air curtains also protect against insects, (important in the summer) smoke, odors, among others.
There are some factors that are independent of the model and influence the efficiency of the air curtains. An example is a difference in atmospheric pressure between the internal and the external environment. Ideally, it should be as close as possible to 0.
In addition to pressure, other factors must be taken into account: the existence of elevators near the door decreases efficiency. Problems with humidity or extreme differences in temperature can also be negative influences.
Air curtain or air conditioning?
This is where the use of the air curtain is a little scary: the correct answer to that question is “both”.
As you may have noticed from the product description, an air curtain does not cool. It simply prevents air from entering and leaving. Therefore, the temperature will remain ambient unless you have other equipment.
The air curtain alone does not produce a cooling effect. If you want to cool the room, you need a device with that specific function.
The ideal is to combine the use of air conditioning with the air curtain: the environment will always be fresh, the door may remain open, smoke, insects and the like will not enter. At worst, an air conditioner will help.
What are the advantages and disadvantages of an air curtain?
The biggest advantage of an air curtain is that it allows this flexibility in relation to keeping doors open or closed. Its multifunctionality in protecting against insects helps, and the fact that it doesn’t need walls to be broken, either.Used in conjunction with an air conditioning unit, they allow the average temperature applied to be higher. Electricity consumption will be lower this way, as well as the health problems caused by staying indoors.
On the other hand, the need to use it in conjunction with a cooling device (or heating, depending on the case) means that the investment will always be accompanied.
Buying an air curtain on its own will not have much effect if your intention is to acclimatize the environment. If you simply want to protect against insects, then it will be self-sufficient.
It is also necessary to be very careful to buy a correct model for the door on which it will be. We will explain more about that in this article!
Air curtain prices tend to vary according to their width and suitability for doors. 90 cm models, more suitable for domestic use, cost from R $ 300. They are unlikely to exceed the R $ 500 range.
If your intention is to use an air curtain on a larger door, probably in a commercial environment, prices will start to rise. The largest widths found on non-specialized sites are 2 meters and the prices are in the range of R $ 900.
Where to buy an air curtain?
You will find great varieties of air curtains in stores specializing in air conditioning and refrigeration. Eventually, department stores will have either model.
If you prefer online shopping, we recommend Amazon. It has different widths and different types of functionality. The Free Market is also a good choice.
Also, be sure to check the websites specializing in refrigeration and air conditioning. They may not be as functional as the big e-commerces, but they will bring good variety.
Purchasing criteria: Factors for comparing air curtain models
We have already explained the advantages and disadvantages of an air curtain and how to use it. If you are determined to buy one, you should still pay attention to some factors.
There are a number of important points for you to make the right purchase and choose the perfect model. Let’s go to them:
- Noise level
- Ease of installation
Now, let’s understand what we should evaluate in each of these criteria.
This is the most important thing to pay attention to when buying an air curtain. One mistake can get you serious headaches in the future.
Don’t forget that the air curtain needs to be exactly the width or slightly larger than the door on which it will be.
Domestic doors usually have a pattern of 80 cm, sometimes reaching 90 cm. That is precisely why we say that air curtain models with these widths are for use in houses or apartments.
There is no point in wanting to install a 90 cm curtain on a 1.80 meter door. It will not function optimally. Always look for the equipment that best suits the place where it will be installed.
To do this, measure the door of the place where it will be installed and always choose a model a few centimeters larger.
Be aware that an air curtain will spend many hours a day working. Therefore, it needs to be quiet enough not to produce noise that will damage your hearing.
The noise level considered healthy to be beside 8 hours a day is 85 decibels. From that, situations like hearing loss can start to happen.
Check the technical specifications of the air curtain if the noise level is informed. If so, note if it is within the limits of healthy, below 85 decibels and preferably around 60. More than that, your health may be impaired.
Ease of installation
Unlike an air conditioner, an air curtain does not require the wall to be broken for installation. It is a much simpler process and one that should not demand excessive time and money.
It is important that you ask for professional assistance when making the installation, however, it will be simple. Be wary if it is said that structural changes are necessary: the model or specialist chosen is probably not serious.
Anyway, check out this video that shows the installation of an air curtain from beginning to end:
There are some air curtains that are more powerful, thus producing greater ventilation capacity. The higher this number, the greater the protection against the passage of air and, mainly, insects, smoke, odors and the like.
The increased power will also decrease the need to leave the air conditioner at extreme temperatures. In other words, a more powerful air curtain means greater savings in electrical energy and durability of the refrigerator.
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