Thermal curtains (TZ) are widely used in various premises. The work uses the energy of electricity or heat water.

A thermal curtain is a structure that prevents the penetration of cold air through door or window openings.

Structurally, it is a powerful fan that creates a flat directional flow of warm air.

The air from the room is additionally heated by passing through the heater of the device. Then, in a dense directed stream, it is fed into the opening.

Cold air from the street cannot enter the room through it. Everyone has come across a similar device in public buildings with frequent opening of doors (for example, entrances to shops).

  The principle of operation of the thermal curtain

In this way, heat is saved inside the room, or a barrier is created for the penetration of warm air, for example, into a food warehouse.

What are thermal curtains?

The most significant difference between thermal curtains is the type of coolant. Depending on it, TK is divided into three main types:

  • electrical;
  • water;
  • gas.

The first two types are most commonly used.

An alternative to them are gas thermal curtains. They are used in places where there are problems with electricity and water supply.

With a lot of advantages, they have one, but a very significant drawback — they are explosive. Failure to comply with the rules of installation or operation leads to an emergency.

What is an electrically heated air curtain?

Electric thermal curtain

An electrically heated air curtain is nothing more than a large fan that creates a stream of heated air.

Structurally, it can be executed as a set of fans that summarize the generated flows into one common one. The main distinguishing feature of this type of devices is the heating of the air passing through them with electric heating elements.

This type of curtains is widely used in almost all types of premises:

  • stores;
  • passing enterprises;
  • garages;
  • country houses.

When choosing this system, the dimensions of the openings covered by the curtain are taken into account. On this basis, the power of the device is determined.

The final selection of the electric TK model should be entrusted to specialized specialists. There are many nuances, without which it will be impossible to achieve the expected result. These include:

  • installation method (horizontal or vertical);
  • curtain air flow rate;
  • change of operating parameters;
  • surge protection.

All these issues are well known to professionals involved in the installation of electric thermal curtains.

What is a water heated air curtain?

Water thermal curtain

In thermal air curtains of this type, the air passing through the device is heated by hot water from central or autonomous heating.

Such systems are widely used due to their advantages:

  • economy in use;
  • additional space heating;
  • electrical safety;
  • long period of work.

Among the shortcomings, it should be noted the increased complexity of installation and complete dependence on the heating system.

Calculation and installation of water thermal curtains is also carried out by specialized specialists.

What is the difference between electric and water thermal curtain?

What are thermal curtains

The main difference between electric and water TZ is the principle of heating the air passing through it. Additionally, it should be noted that preference is given to the first type of systems.

This is due to the fact that electric thermal curtains:

  • cheaper than water
  • easier to install;
  • more automated in management;
  • easy to maintain.

At the same time, it should be taken into account that the cost of operating an electric TZ of high power will be higher than that of a water one.

Our experts will talk in detail about the pros and cons of both systems and provide the necessary assistance in their acquisition and installation. Contact.

What is the principle of operation of thermal curtains?

Thermal curtains work on the same principle — they create an air wall in door or window openings. This barrier becomes insurmountable for cold air masses, polluted air, and various odors.

Inside the device there is a fan and a heating element (heater or water radiator). The air from the room is blown into the outlet nozzle, in front of which there is a heating element.

When the system is turned on, the fan creates a pressure of warm air in the selected opening.

In our catalogue:
Thermal curtains

The difference in the principle of operation of thermal curtains lies in the method of heating the air flow — by electric current or by the heat of hot water. It depends on the type of heater installed in the system.

A thermal curtain is a directional air flow that preserves the microclimate of the room. Not only its performance depends on the correct choice of TK, but also the savings in financial and material costs.


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