Polymat G3 (Lumitherm)

The next level in natural ventilation.

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Our top-of-the-line inflatable air curtain allows you to bring your cows as close as possible to a pasture-like setting. Eliminate heavy interior lighting, while keeping the cold weather out and letting the natural sunlight in.

Stands out from the herd

Ten years of research, testing and refining have produced a unique and innovative design that stands out from other air curtains and natural ventilation systems. The G3 features a climate computer to adjust automatically to all weather conditions, and a dependable tight seal preventing any air leaks. Plus, with just a flip of the switch you eliminate the chore of opening and closing curtains. With impeccable after-sales service guaranteed, the Polymat G3 (Lumitherm) is a top-of-the-line product that stands out from the herd.



  • The light supply promotes the health, comfort and productivity of animals
  • When the wall is opened, it provides a breath of fresh air, giving the grazing effect
  • It protects against cold and harsh weather
  • It lets natural light into your buildings 12 months a year


  • By taking advantage of maximum natural light, you reduce indoor lighting,
  • at the same time your electricity usage
  • When inflated, the wall is water and air tight which prevents
  • drafts from entering your building
  • By stopping the cold draft, you increase yields as the animals remain
  • comfortable and productive
  • A long-term investment with a useful life of 7 to 10 years and more
  • The simple and economical design of the tubes makes it easy to replace

Artificial intelligence, at your service!

With the Agrimesh module, automate and optimize the air quality of your installations and remotely manage perfect ventilation at all times.

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