If you do not like to take risks in your farm and you prefer safety, with the automatic window elevator you'll achieve the tranquility - although there might be changes in temperature - that the windows in your farm will always be in appropiated position for maintaining the programmed temperature.

All this, with an easy handling system, as the control box has only one buttom to programm the desired temperature and the microprocessor takes care that the windows go up or down - according to the changes in temperature being registered - to maintain the correct temperature inside the farm, at any moment.

The end of strokes system, which detects the highest and lowest position of the windows, is totally electronic. This way, the damages produced by mecanical end of strokes systems do not exists.