Pellon

DryAir ventilation

  • Moisture out
  • Warmth in
  • Draftless ventilation for the building

The DryAir ventilation system is able to remove up to a third of the moisture accumulated in a livestock building, so that even with regular ventilation, the barn is dry, odourless and a pleasant working environment.

 

 

1. Control moisture with DryAir 

The condension plate of the DryAir system is the coldest surface in the winter, because the cold entry air is led behind it.

The excess moisture in the barn air accumulates on the condension plate, from which it drips down to the water channel underneath and from then on into the drain.

Because not all moisture has to be driven out with ventilation, the need for ventilation is reduced by about a third, and normal ventilation is enough to keep the barn dry and at the satisfactory moisture rate of approx. 70 to 80%.

 

2. Storing the warmth

While steam is condensed on the condension plate, it releases the energy bound to it, which in turn heats the entry air. Air which is colder than -15 Celsius has risen to -5 degrees.

 

3. Draftless ventilation

The draft targeted at animals is decreased. The most important factor in this is the decreased temperature difference between entry air and room air. When the entry air is heated and divided evenly throughout the barn, draftless ventilation and conditions, comfortable to both animals and keepers, are achieved with DryAir.

 

 

 

January 1995

 

The relative moisture in the barn has stayed low during the entirety of January, from 67 to 82 % and the window surfaces have naturally remained dry.

 

January 1995 

 

As the temperature of the outside air decreases, DryAir's capability of storing warmth increases. On the coldest days (Jan. 4th, 25th and 31st) DryAir has heated the entry air with about 10°C. (red=entry air, blue=outside air)