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  • OpenBuildings Energy Simulator - Part L 2021 Exam - September

    We are pleased to announce the next OpenBuildings Energy Simulator Energy Assessor exam has been scheduled for: 19th Sept. 2023 at 10.00am - available for registration here. The exam is for energy assessors who wish to become accredited with…

  • Part L 2021 and Part L 2013 - approved in OpenBuildings Update 10

    OpenBuildings version 10.10.0.199 has been fully approved by the English Energy Performance of Buildings Division for Part L submission, for both PartL 2021 and Part L 2013. Note that XML files from prior or latter versions will no longer be accepted…

  • OpenBuildings Energy Simulator - PartL 2021 Exam - April

    We are pleased to announce the next OpenBuildings Energy Simulator Energy Assessor exam has been scheduled for: 20th April 2023 at 09.30am - available for registration here . The exam is for energy assessors who wish to become accredited with…

  • OpenBuildings Update 10 Approved for Part L 2021

    OpenBuildings version 10.10.0.199 has been fully approved by the Energy Performance of Buildings Division for Part L submission. This can be downloaded using Connection Client or from the Bentley website as below: This version uses SBEM v6…

  • Part L error - "At least 1 Zone needed"

    Trying to create an EPC/SBEM certificate however an error pops up saying " At least 1 Zone needed ." Version v10.15.1.23 Created a new workplace and workset. Imported the DXF files and modelled the building ( Supermarket). Did a copy of a few…

  • OpenBuildings Energy Simulator PartL Exam - August 2021

    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…

  • Hevacomp Energy Assessor course and exam (PartL Level 3/4) - London March 2019

    Hevacomp Energy Assessor (Non-dwelling) Level 3 & 4 (SBEM) Allows Hevacomp users - via an accredited Energy Assessor scheme provider - to work towards Energy Assessor status to show competency in production of EPC's using an approved SBEM interface…

  • Bentley Hevacomp 18th edition and PartL (5.4.b.0) update

    The AECOsim product team is pleased to announce this patch release for Bentley Hevacomp V8i SS1 Update 7. This patch brings the product up to date for the recently released 18 th Edition Wiring Regulations (BS 7671) which will come into full effect in…

  • Heating System Controls greyed out

    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Design Database Subarea: Part L Problem Heating System Controls are greyed out on the Part L HVAC Systems tab. Solution These…

  • Hevacomp Energy Assessor Level 5 Course - London, September 2018

    Hevacomp Energy Assessor (Non-dwelling) Level 5 (Dynamic Simulation) Allows Hevacomp users - via an accredited Energy Assessor scheme provider - to work towards Energy Assessor status to show competency in production of EPC's using Hevacomp Simulator…

  • Hevacomp Energy Assessor course and exam - London, May 2018

    Hevacomp Energy Assessor (Non-dwelling) Level 3 & 4 (SBEM) Allows Hevacomp users - via an accredited Energy Assessor scheme provider - to work towards Energy Assessor status to show competency in production of EPC's using an approved SBEM interface…

  • PartL 2010 and 2013 in the same project

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Problem Since the release of PartL 2010 v4.1.g and PartL 2013 v5.3.a, the PartL 2010 program…

  • EPC and Recommendations menus

    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Design Database Subarea: Part L Problem Part L EPC and Recommendations tabs are greyed out, as below. Solution This occurs…

  • RE: Part L Glazing

    Hi Andrew, Yes, you just need to enter the manufacturer's figures into the Glazing Properties section, in the top right of the Glazing Data menu. Please see further information here . We would also recommend obtaining Solar Gain Factors from the manufacturer…

  • Hevacomp Part L Energy Assessor course and exam - September 2017

    Hevacomp Energy Assessor (Non-dwelling) Level 3 & 4 (SBEM) Allows Hevacomp users - via an accredited Energy Assessor scheme provider - to work towards Energy Assessor status to show competency in production of EPC's using an approved SBEM interface…

  • RE: Modelling a zone (room) within a zone (room)

    Hi Stuart, Modelling of such spaces can only be directly achieved in Hevacomp Simulator by using Atrium key words. However if you wish to use Design Database for level 3/4 Part L calcs then there are three workaround options available - please see further…

  • RE: HVAC Systems - Zones

    Hi Matt, I would firstly advise caution if you are intending to use Part L to determine if natural ventilation is required, as SBEM is not a design tool indicative of real-world conditions. (To see if natural ventilation is required you would need to…

  • Omitted Recommendations shown in Recommendations Report

    Product(s): Hevacomp Version(s): V26 Environment: N/A Area: Design Database Subarea: Part L Problem 'Omit Recommendation' selections are not reflected in the Recommendations Report. Solution…

  • Bentley Hevacomp V8i SS1 Update 5 now available for download

    Hevacomp Update 5 can be downloaded as detailed here. This incremental update addresses changes to the UK Part L SBEM and BRUKL engines for lodging EPC’s. Design Database interface to SBEM V5.3a is accredited for producing English, Welsh and Scottish…

  • RE: Update to Hevacomp PartL for SBEM 5.3.a

    Just to follow up on the above; should any other users be seeking information about the pending Update, please note that all developments will be immediately announced here .

  • Hevacomp Part L, SBEM update 5.3.a and 4.1.g

    Changes to the SBEM calculation were recently introduced, mainly to incorporate new constructions from the updated NCM modelling guides. Thus, Energy Performance certificates and Compliance documents must now be generated with: SBEM 5.3.a - for Part…

  • District heating is displayed in BRUKL report, none selected

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Method If District Heating hasn't been selected then this report field should be considered…

  • Defining Door Types

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview The name assigned to doors in the Fabric menu can have an effect on their categorisation…

  • Hevacomp Part L Energy Assessor courses: Now open for registration

    Hevacomp Energy Assessor (Non-dwelling) Level 3 & 4 (SBEM) Allows Hevacomp users - via an accredited Energy Assessor scheme provider - to work towards Energy Assessor status to show competency in production of EPC's using an approved SBEM interface…

  • Hevacomp Reports opening in Adobe Reader

    Product(s): Bentley Hevacomp Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview Attempting to view results in Bentley Hevacomp Part L will result in a new Adobe Reader window…
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