<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt">David,<br><span class="tab"> Can you explain please why should he set a value 5 times higher than the default for the zone thermal capacitance? For me, the default (ZoneVolume*AirDensity*AirSpecificHeat) as you stated looks correct.</span><span class="tab"><br> Thank you for your answer,<br>Vali</span><br></div></body></html>