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Electric Air Curtain Range

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A full range of electric air curtains / warm air curtains electric from Flexiheat UK suitable for domestic, commercial or industrial applications. All models can be mounted horizontal or vertical to suit your building requirements.

Electric Air Curtains – We do three ranges of electric air curtain heaters or sometimes referred to as electric over door heaters , a light commercial range, a commercial range and an industrial range. All of these over door heaters are suitable for taking and heating the air from the inside of the premises via electricity. They can be used without air conditioning heat for the air heating as ambient air only mode. By combining your door or opening with an electric warm air curtain you further reduce the energy loss and significantly increase the comfort of your building. Our warm air curtains provide extra protection for your door opening and keep the heat and cold outside or internally as per your site requirements and all this in an economical and aesthetic way.

These electrically powered air curtains / heaters are a modern solution that allows effective protection against heat, cold, dust and insects from the outside air. In winter, these electric air curtains prevent the warm air from escaping from inside the building or room, while in the summer they prevent warm or hot air coming from outside entering the building, thus allowing the room to maintain comfortable temperature conditions. These electric air curtains provide fresh air and positively influence the temperature conditions inside the building or room where they are installed.

This air curtain range are used to protect against uncontrolled external air inflow through the doors, reception areas or building openings in such facilities as: shopping malls and supermarkets, restaurants, bars, public service buildings, offices, hotels, banks, hospitals, pharmacies, warehouses etc. They help to reduce building carbon emissions and lower energy bills, with environmental separation.

Air curtain door heater – Electrically powered

Over door electric air curtains are easy to install and can be used for many applications. There are models for door heights from 2 metres to 6 metres for horizontal installation i.e. over door heaters, exposed or recessed, and also vertical units in standard configuration. Our range of electric air curtains are available in powers from 3 kW up to 30 kW. The selection of the appropriate electric air curtain type is very important to have the optimal air separation effect and to ensure that the heaters work in the most efficient and effective way.

Electric Heat

What are the benefits of an electric air curtain heater compared to other heating solutions?

Compared to wall mounted radiators (radiators on a wet heating system, radiant panels, electric convectors etc): a wall mounted radiator does not allow you to isolate two rooms by separating them by a flow of air, unlike the curtain of hot air which creates a protection thermal screen as such. Compared to fuels other than electricity (for example, gas fired radiators / heaters, or a wet heating system): these warm over door curtains are an electric heating solution: because of their electrical power supply, they are adaptable to all locations, especially those that are not the mains natural gas supply.

Electric Heaters Air Curtains 

How does the “insulation effect” of an electrically heated air curtain work?

Imagine a store or reception areas door opening constantly subjected to a cold air flow coming from outside. The recurring opening of the automatic doors every ten seconds leads to cold air for the people who enter and generates considerable thermal losses from the building. The hot or warm air curtain is an “insulation solution”, thanks to a flow of continuous pulsed warm air directed downwards, creating a thermal barrier against the outside temperature. The “insulation efficiency or effect” is therefore extremely helpful in reducing the thermal losses of the building ensuring both comfort and energy saving benefits as well as energy bills to both the consumer and the building owner. These door heaters air curtains really help reduce energy bills when used in reception areas of buildings.

Designer / aesthetically pleasing light commercial range

We start with range with the smaller electric over door air curtains, which are a aesthetically pleasing or a designer range air curtain  – our “Slim” range is suitable for 99 percent of doorways. It’s the world’s thinnest air curtain. These products can be mounted both vertically and horizontally (wall mounted or suspended from a ceiling) .

These products are  available in different lengths : 1 metre, 1.5 metre and 2 metre’s as well as in different voltages , designed to run off a Three Phase – 400 Volt electrical mains supply – they can however be wired to a single phase – 240 Volt mains supply , but the maximum kW output power is then limited to 2 to 4  kW depending on the leght of the curtains.

The maximum mounting height for these electric over door heaters is 3 Metres, which makes these a great solution for your commercial heating applications such as reception areas, hotel entrance halls, shops, restaurants, service stations, theaters and car showrooms, where the customers want to be heated with warm air as they enter these types of building.

 

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Slim designer -aesthetically pleasing – light commercial air curtains from Flexiheat UK

Technical details of this range of over door heater / air curtain heater products

Slim E-100Slim E-150Slim E-200
Power [V/Hz]3 x400 / 503 x400 / 503 x400 / 50
Max power consumption [kW]0.130.1950.23
Max current consumption [A]0.50.81
IP202020
Capacity [m3/h](1)*800 – 1,3001,250 – 2,2001,900 – 3,000
Sound pressure level 5m [dB(A)](2)43-55.540-5442-57
Sound pressure level 3m [dB(A)](2)44-56.541-5543-58
Sound power level [dB(A)](3)59-71.556-7060-73
Heating power [kW](4)2 – 53 – 94 – 12
Temperature increase (T)[oC](4)4 – 246 – 326 – 26
Weight of the device [kg]15.119.624.6
Range [m](1)3.23.23.2

* According to ISO 27327-1 , ** Acoustic pressure level has been measured in a 1,500m3 space with a medium sound absorption coefficient, directional factor: Q=2

*** Acoustic power level according to ISO 27327-2 **** Range of heating powers and temperatures specified for the parameters based on 400 Volts – see below data table for single phase 240 volt

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Slim electric air curtains installation pictures

Output detail when run on 3 Phase / 400 Volt and 1 Phase 240 volt

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Slim designer air curtain technical data electric powered air barrier / overdoor heater

For full information on installation, operating and maintenance on this range of the “Slim”  light commercial electric air curtains, please download the following manual –

Download the Flexiheat Manual for Slim Air Curtain Range

Brohure is here

Download the Flexiheat Brochure for Slim air curtain

Electric Air Curtains / Electric Over Door Heaters – Industrial 

We also do a range of commercial three phase only electric air curtains that can be mounted up to 4 metres in height. This range is designated the Elis T “E” range. These air curtains benefit from a modern design, a low noise level and reduced weight, and are available in 3 sizes ;1 metre , 1.5 metre ,and 2 metre’s long heaters , and have a heating power range of  7.5 kW  to 15.5 kW depending on the products in question.

These electric curtains over door heaters are still aesthetically pleasing, like the previous range, but have a higher performance with regards to the airflow range they can produce. This range of products is controlled either by a magnetic door switch and or a controller. These electric over door heaters carry a 2 year warranty, and are a fully CE approved product.

They fill the gap between our Slim range and our large industrial range ,which is detailed below on this webpage. This range can be used on commercial doors or openings that are up to 4 metres in height, or can also be used in a vertical mounting position as well, and when installed on both sides of the door, they can cover a width of up to 6 metres. This range of electrically powered air curtains are only available in three phase , 400 Volt electric supplied versions.

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Electric heated air curtain heaters – mounting options – Horizontal or Vertical Installation – Please not the minimum distance required above the horizontal mounted air curtain installation of 200mm to operate correctly.

This range of products is controlled either by a magnetic door switch and or a controller. These electric over door heaters carry a 2 year warranty, and are a fully CE approved product. These electric over door heaters carry a 2 year warranty, and are a fully CE approved product.

Elis T Electric Air Curtain – Model & NumberELiS T-EELiS T-EELiS T-E
Air Curtain length in centimetres100150200
Power supply [V/Hz]3 x 400
/ 50
3 x 400
/ 50
3 x 400
/ 50
Maximum power Output [kW]7.511.515.5
Maximum current consumption [A]1116.622.4
IP Rating21/F21/F21/F
Curtain air flow stream [m3/h]2,3003,9005,100
Acoustic pressure level – dB(A) – (1)606162
Acoustic power level [dB(A) – (2)757677
Curtain’s air temperature rise (ΔT)[°C]- (3)111213
Unit weight [kg]243237
Range [Mtrs] – (4)444

(1) Average acoustic pressure level in the room of average sound absorption, volume of 1,500 m3, at a distance of 5 m from the electric air curtain

(2) Acoustic power according to ISO 27327-2

(3)Based on an entering air inlet temperature to the unit of 10°C

(4) According to ISO 27327-1

 

Product Advantages –
• Modern design
• High performance parameters, air output 4800 m³/h, air throw up to 4 metres
• PTC electric heater technology – which reduces energy bills, as they adapt to the heat requirement.
• Low noise level, reduced weight
• 3 sizes: 1 meter, 1.5 meter and 2 meters long

 

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Electric air curtains or electric over door heaters with “PTC” electric heating elements from Flexiheat UK

Our Flexiheat “E” series of commercial electric over door heaters are based on a new type of “PTC” electric heating coils or elements, ensuring a modern and safe solution using this updated technology. The additional advantages of “PTC” electric heaters in an electric air curtains are –

1.Lack of voltage on the surface of the electric heating coil

2.Significantly lower coil temperature in comparison to old type of electric heaters (e.g. heating wires, spirals)

3.Large heat exchange surface (surface of contact of the heat exchanger with heated air)

4.Fully automatic heat control depending on air flow

5.Complete elimination of the risk of system overheating due to self-regulating heating modules (heat capacity automatically reduces when the air flow reduces)

6.Low electrical energy consumption for these electrical powered heaters

Download the Commercial Electric Air Curtains “Elis T” range brochure from Flexiheat UK

Electric Air Curtains / Electric Over Door Heaters – Industrial 

We do a full range of industrial electric air curtains suitable for all types of industrial doors, typically, they are used on the up and over type roller shutter doors (as shown in the picture below).  We can supply these industrial electric air curtains, so that they can be mounted either horizontally mounted across the top of the industrial door, with the air being blown downwards ( again as pictured below) , or vertically mounted, blowing the air horizontally across the industrial door. These electric industrial air curtains can blow a maximum of 7.5 Metres, be it Vertically or Horizontally, thus most site requirements can be satisfied with this range of industrial electric air curtains. These industrial units are the best solution for loading bays, warehouses, hangars or factories, that need an electric warm air curtain.

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There are three models or modules of these electric heated air industrial curtains,. They are basically modules that can be coupled together to make up your desired width or height for your industrial or commercial overhead roller shutter type door. These industrial air curtains can be situated to the side or above ( sometimes referred electric over door heaters when used in this configuration )  industrial doorways and create a powerful electrically heated air barrier across the open door way whilst providing total visibility and access. In this configuration of “modules” they tend to be easier to install, as they are lighter in weight and easier to manoeuvre into place and install than a dedicated single piece air curtain e.g. say a 4 meter long unit.

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Electric Air Curtains – Industrial from Flexiheat UK

 

Technical Data for the Industrial Electrical Air Curtains Elis G  – Horizontal or Vertically Mounted

Industrial electric air curtans Elis G range

Industrial electric air curtans – Elis G data table – Flexiheat UK

Our industrial Electric air curtains are equipped with modern and safe solution based on PTC electric elements. The main advantages of PTC elements are –

  1. No current on coil surface
  2. Lower temperature on coil surface in comparison to older type of electric elements, make these a long life solution
  3. Large area of the PTC heating coil, enhanced energy exchange between the coil and air.
  4. Fully automated regulation of heat capacity depending on air flow
  5. No risk of system overheat, thanks to “self cooling” option (coil automatically decreases its temperature and heat capacity when the air flow is reduced)
  6. Very low energy consumption

Download the Flexiheat UK Elis G Industrial Air Curtains Manual

Installed Industrial Air Curtain – Electrically Heated – pictures of a site in the UK – These industrial electric air curtains are installed vertically thus vertical units , blowing the warm air across the industrial door way.

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Another site picture – this time with these electric over door heaters installed in a horizontal position, blowing the warm air curtain down vertically

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Electric over door heaters – Industrial and Commercial from Flexiheat UK

As you can see the versatility of these industrial electrically heated air curtains is great, enabling you to cover almost all requirements

Accessories for Electric Industrial Air Curtains –

A full range of accessories is available for these air curtains, they include

  1. A door switch that increases the efficiency of the heating system by activating the industrial air curtain heater only when the door opens.
  2. The Control Box is the connection box that offers wiring points for all the essential controls for our electric industrial air curtain range. The control box is essential when a highly efficient and energy saving heating system is required. They also offer additional current protection to the air curtains as well as offering the users the ability to install many more compatible controls such as; a door switch which increase the heaters efficiency by only operating the air curtain when the industrial door is open, and a speed controller to regulate the fan speed of these industrial air curtains. You can also install a thermostat into the control box, to regulate the temperature.
  3. Speed Controller – This piece of equipment offers users the opportunity to select 3 fan speeds that will control each control box, and thus these electric industrial air curtains. This allows users the necessary function to control the temperature of these heated air curtains to suit the environment.

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Electric Air Curtains for Sale UK and Ireland – Best Range & Most Cost Effective on the Market

We think that we have the best range of Electric Air Curtains in the UK for both commercial and industrial applications. Should you require any further assistance, check stock or get a price on our electrically heated air curtain range , please click here to contact us via email or call us direct on 01202 822221