Air Curtain Heater

Air Curtain Heater – Gas FiredAir Curtain Heater

Factories, warehouses, cold rooms and retail premises are all subject to the problems caused by frequently opened doors. The open door not only causes discomfort but greatly increases energy loss and, therefore, the running costs of the building. An air curtain heater from  Flexiheat UK offers an energy efficient, cost-effective solution to these problems by reducing heat loss up to 80%

Air Curtain Heater – These Gas Fired Air Curtains – FACH series has been designed to protect the room or area against uncontrolled external airflow through the doors or building openings. It helps to save energy which is used for keeping a desired temperature in the building. Our gas fired air curtains, the FACH is composed of a tubular heat exchanger and a multi-jet gas burner which works with natural gas (G20/G25) or propane gas(G31). The range includes 2 models from 38 kW to 45 kW. The Flexiheat FACH-Horizontal air curtains are used to protect doors from 2 to 6 meters, and are also available as a vertical air curtain too.

Air curtain Heater – Gas Fired

Product advantages                                  

  • Multi-jet gas burner
  • 1.5 mm thickness heat exchanger in aluminium steel, no welding
  • Compact device
  • Efficient air blast
  • Pilot wire card (added as standard)
  • Automatic security system
  • Reset button on the thermostat
  • Heating or Ventilation
  • High Efficiency

Customer benefits

  • Homogeneous flame and temperature -Not sensitive to pressure variations
  • Efficient heat exchange with long service life
  • Easy and simple to install
  • Strong thermal barrier to avoid outside airflow entering the building
  • Regulation of several air curtain heaters by one thermostat
  • Ensuring safe use
  • For easy of use
  • Use as a heated air curtain in the winter or without heat in the summer , the versatility of these hot air curtains is enormous
  • Over 91% efficiency for this gas fired air curtain heater range


They come in a standard module length of two metres , and can be used in multiple units to cover doors from 2 to 6 metres wide . The smaller gas fired air curtain unit , the  FAC35H can be mounted up to 5 metres , and the larger unit – the FAC45H can be mounted up to 6 metres high.

These ambient air curtains are situated to the side or above industrial doorways and create a powerful barrier across the opening keeping heat in whilst providing total visibility and access.

These air curtain heaters are ideal for use on loading bays, warehouses, hangars or factories, saving forklift drivers time as they don’t have to get out of their cabs to close and open doors , and make moving from one area to another safer and more convenient. Unlike plastic slat curtains, which quickly become opaque with use, an air curtain provides 100% visibility at all times.








The energy saving air screen reduces heating and cooling costs by up to 80% while protecting the internal climate and increasing people comfort. It keeps the atmosphere clean from pest and insects, dust, airborne, pollution, smells, odours and stops draughts and cold or hot air entrance.

The functioning of an air curtain heater is based on a high velocity jet of air that covers all openings. Heated air curtains creates comfort by the jet of air on people as they cross the air screen and helps to maintain the temperature on the entrance.air curtain heater


air curtain heater

Air Curtain Heater –  Installation example


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