In Ii Yliranta school was done ventilation improvements.
Existing ventilation units will be replaced with new equipment that have heat recovery system. The efficiency of new machines is at least 70%.
Motivations are to improve conditions for the users and save energy.
![](https://www.energialoikka.fi/wp-content/uploads/2019/12/ylirannan-koulu-copy-300x181.jpg)