<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> How can I change HVAC system in detailed mode. e.g. first I applied PTAC system but I want to <br></div><div> change it now in VAV with chilled water cooling.How can I do this.?</div><div> Thanks in advance</div><div><br></div><div>vipin sharma</div><div>Energy Engg</div><div>student<br></div><div></div></div></body></html>