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  • Database access error

    Hi! I have Database access error - Room not found in database. Could you please help me with that?

  • Hevacomp to OpenBuildings - Support until 2024

    To aid users with the transition from Hevacomp to OpenBuildings, product management have extended the criteria outlined in the transition FAQ (attached to this announcement) until January 2024. Specifically, this includes: Entitlement to use Hevacomp…

  • How to change "Emitter type" for water content estimation?

    https://communities.bentley.com/products/building/performance/w/building_performance__wiki/31381/pipe-sizing---water-content-for-heating-and-cooling-emitters On the page above it implies you can change emitter type for your water content calculation…

  • How To Create A Custom Cable Type

    I can't Find anything explaining how to create a custom cable type. From the " How to move customised Cable Files to a new version " I under stand the first window but the bottom half of this second window I don't really under stand what the initial…

  • Modeling

    This playlist contains videos that help you get started with Bentley’s OpenBuildings Energy Simulator. You will create a new project WorkSet, set up the project tree, and then learn the basic modeling techniques for modeling floors, rooms and surfaces…

  • Run-time Error 06 after installation

    Product(s): Hevacomp Version(s): V8i (N/A) Environment: N/A Area: Troubleshooting Subarea: N/A Problem Users might find Run-time error 06 even just after installing the software. Solution…

  • Is the anyway to check that a "Flat ceilling under this roof" is applied to a specific room?

    Running Hevacomp, Design Database for Heat losses. (V8 SS1 SPB (V*i SS1 CP3 (06/16)) I want to apply a flat ceilling to some rooms since they are 3.6m high but have a ceilling at 2.7m. The problem is when I click the "Flat ceilling under this…

  • Design Database doesn't load after selecting a folder

    After having loaded Hevacomp with Admin privileges - Selecting Design Database - After Selecting a folder the project explorer, shown above, minimizes as expected but nothing else happens. The following page doesn't load, I don't receive an…

  • Assigning Windcatchers through Flowpath Data

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview The article provides detailed guidance of how to model windcatchers and assign…

  • Runtime Error 52- Bad File Name or Number

    Product(s): Hevacomp Version(s): v8i Environment: N/A Area: Hevacomp Subarea: Runtime error Overview Users might often face an error message which says “Runtime error 52; bad file name or number…

  • Hevacomp to OpenBuildings - Transition update

    This post is intended to offer clarity to Hevacomp users during the continuing transition to OpenBuildings. Transition Progress Design Database and Dynamic Simulation Design Database and Simulator functionality is now available within OpenBuildings…

  • Hevacomp to OpenBuildings

    This post is intended to offer clarity to Hevacomp users during the continuing transition to OpenBuildings. Transition Progress Design Database and Dynamic Simulation Design Database and Simulator functionality is now available within OpenBuildings…

  • How to update Hevacomp V8i to SP10

    Hi, I'm trying to update our Hevacomp software to the latest version (currently V8i SS1 SP5). I found an older question ( https://communities.bentley.com/products/building/performance/f/hevacomp-forum/202939/what-is-the-latest-hevacomp-software-version…

  • Could not open the default project. need help urgently

  • Quick Start and Professional Trainings for Building Energy Simulation

    Certified Training Courses for Bentley CONNECTED Users: Every course you complete below from our LEARN Server is recorded to your online transcript. Use it to track your professional growth over time, print Certificates of Completion, and self-report…

  • Getting Started with Energy Simulation Essentials

    Please, browse the left menu or the topic below: Interested to learn the essentials in one hour? We have prepared these Onboarding Guide Videos for you: OpenBuildings Energy Simulator - Introduction Ready to try hands on exercises on your…

  • Weather data: run-time error 62 input past end of file

    Hi, I keep having this issue with one of my models. It is not letting me go into weather data to input my weather files correctly. My global changes and fabric data work fine, it just seems to be the weather data that gives the error message as shown…

  • CIBSE Weather Data

    Hi, I have downloaded CIBSE weather data, however when following the steps of installing the weather files from CIBSE and saving then within the Weather data>Cibse folder located at C:\ProgramData\Bentley\Hevacomp V8i\Hevacomp. I cant see no weather…

  • Setting up a room under a roof

    Hi, Bit of a tricky situation. I have been trying to model a small server room in an existing loft space. (quick revit model attached to show the plan with roof removed). I am having some issues when setting up the roof level. I have modelled the…

  • New Energy Simulation Forum

    As Hevacomp's capabilities are transitioning to OpenBuildings a new Forum has been created within the OpenBuildings Community, specific to Energy Simulation: Energy Simulation Community Please use this for any queries relating to using OpenBuildings…

  • OpenBuildings for PartL Calculations

    We are pleased to announce that the OpenBuildings Energy Simulator has been fully approved for PartL calculations in both England and Wales. To obtain the above priority build please log a Service Request here . Please note that this will be included…

  • Error when importing to OpenBuildings

    When importing Hevacomp DDB model to Openbuildings I get following error massages: 1) System.NullReferanceException: Object reference not set to an instance of an object at Bentley.Building.Se..... 2) OpenBuildings Designer has detected a problem…

  • Hevacomp PartL and XML files

    A recent SBEM update as of the 18th September has resulted in Hevacomp PartL being unable to produce XML files. A grace window, where both existing and new versions of SBEM could be used by energy assessors, was provided for by BRE in every previous…

  • Hevacomp capabilities in OpenBuildings Energy Simulator

    While OpenBuildings Energy Simulator will be brand new software to many, there are numerous aspects that will be familiar to Hevacomp users, with a lot of the same properties and menus present, but now within a more intuitive, modernised interface. …

  • Hevacomp Transition to OpenBuildings - FAQ

    With the Hevacomp brand being synonymous with building design for decades, we are excited to announce the transition of its capabilities to OpenBuildings Designer. Integrating the building services calculations from Hevacomp into the multidiscipline…
    • FAQ_Hevacomp_to_OpenBuildings_Designer_LTR_EN_LR.pdf
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