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OpenBuildings version 10.09.02.36 has been fully approved by the Energy Performance of Buildings Division for PartL submission. This can be downloaded using Connection Client or from the Bentley website as below: Important: Once you have installed…

We are pleased to announce the next OpenBuildings Energy Simulator PartL exam has been scheduled for: 6th October 2022 at 10.00am - available for registration here . The exam is for energy assessors who wish to become accredited with using OpenBuildings…

PartL 2021 and net-zero The new 2021 Part L Regulations will be a major step towards realising the goal of net-zero energy buildings, and achieving this will bring many new challenges and opportunities in nearly all aspects of the building life-cycle…

We are pleased to announce the next OpenBuildings Energy Simulator PartL exam has been scheduled for: 28th April 2022 at 10.30am - available for registration here . The exam is for energy assessors who wish to become accredited with using…

Hi Shane, in my modell, I mergedd two rooms and merged rooms cuased my PartL calcaution failure and I am not sure if there is any way to unmege it (As Slit Function not working for my complex model). or any other solution please? If possible, I…

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…

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…

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…