We are pleased to announce the next OpenBuildings Energy Simulator PartL exam has been scheduled for: 14th October 2021 at 10am - available for registration here . The exam is for energy assessors who wish to become accredited with using OpenBuildings…

We are pleased to announce the next OpenBuildings Energy Simulator PartL exam has been scheduled for: 25th August 2021 at 10am - available for registration here . The exam is for energy assessors who wish to become accredited with using OpenBuildings…

We are pleased to announce the next OpenBuildings Energy Simulator PartL exam has been scheduled for: 21st June 2021 at 10am - available for registration here . The exam is for energy assessors who wish to become accredited with using OpenBuildings…

Hi, When running PartL, I get an error of Keyword out of range : PITCH = 180 Do you know the cause of this at all (I have one pitched roof that I have double checked and seems ok)

We are happy to announce that OpenBuildings Energy Simulator Update 8 has been fully approved by the Energy Performance of Buildings Division for use in England, with Wales to follow. Please note this version must be used to create XML files for PartL…

When I 'setup' roofs I'm getting an error of "Object reference not set to an instance of an object" and it causes parts of room surfaces to be removed from my project tree and not associated with any floors, yet they can still be seen in the views. …

How do I model an external door with glazing? I understand that for the Part L calculation, the software treats any door with more than 50% glazing as a window, but how do you set the glazing percentage on a door? I've also altered the default glazing…

I am working with a series of drawings that I have imported from Hevacomp to EnergySimulator. In the transition many of the internal walls have been changed to exposed walls. I can easily change the sub-types but it's a slow process doing it for each…

We are pleased to announce the availability of the OpenBuildings Energy Simulator PartL course, along with the related exam. These are aimed at energy assessors who wish to become accredited with using OpenBuildings Energy Simulators PartL SBEM interface…

Hi, How to model shading/overhangs in OpenBuildings Energy simulator for 'standard project' (not conceptual)? The tab 'Shading' does not seem to work for me. Is there any course that would cover the subject ? AECOsim Energy Simulator Modeler training…

We are pleased to announce that the OpenBuildings Energy Simulator priority build is now fully approved for PartL calculations in both England and Wales. Energy Assessors can obtain compliance with PartL of the building regulations, produce Energy…