<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Hi,</div><div><br></div><div>Is there a type in TRNSYS enabling natural ventilation modelling? Specifically types which are linked to free of charge tools.</div><div><br></div><div>Thanks</div><div>Ehsan</div></div></body></html>