// Check if the article Layout ?>
Ventilation up to 240 qm by Systemair
![](https://detail-cdn.s3.eu-central-1.amazonaws.com/media/catalog/product/s/y/systemair-1-2-12-2017-teaser735_1.jpg?store=de_en&image-type=image)
Photo: Manufacturer
With its built-in rotary heat exchanger, it achieves a heat recovery efficiency of more than 80 %, while the maximum conveyed air volume is 300 m3/h. An humidity sensor in the exhaust air regulates the speed of the fans as required, and controls the heat transfer.
www.systemair.com