Did you get a confirmation on the validity of the thermal analysis?
I am having the same problem and begining to doubt the result coming from the thermal analysis within Ecotect. I have modeled a 35m2 6m high building with no ventilation and infiltration from wind. I have applied double glazed windows to roof and the walls so it's pretty much like a green house. I would have expected the temperature inside be higher than the outside on the brightest or hottest day which is not the case shown in Ecotect. The result showed that the temperature inside follows the outside temperature and was below it most of the time.
Can someone comment on the validity of the thermal analysis in Ecotect? Thanks!
The Ecotect Thermal simulation is not applicable for all situations, and I have found it particulalry untrustworthy in solar heating scenarios. It might be worth your while you work through the Ecotect export to energy plus, taking advantage of the model you already have.
Have you made sure that the surface normals (for walls, windows, etc...) are facing the right direction (i.e. away from the zone)? This will make a big difference in thermal analysis results.
To view the surface normals, select Display >> Surface normals. Arrows should appear on the surfaces. If they are pointing towards the inside of the zone, select the surface then click Ctrl+R to toggle the arrow direction.
The thermal calculation is Ecotect theoretical premise of the admittance. Is a simplification of analysis, widely used but that "simple". With the data comentais seems that perhaps the data "zone property/Thermal properties" are incorrect.
Are there active systems?
Hope this helps