• Why is the Hevacomp BRUKL Document not showing Solar Thermal Systems?

    Hi, Please would someone be able to help me. I have been trying to complete an SBEM for a client and this one part of the BRUKL document won't show up when I run the compliance section of the Part L in Hevacomp. On the roof of the building in question…

  • RE: Modelling variable wall construction in single element

    Hi Roy, it may depend on the type of calculation you are doing as to the best solution. The simplest option is to create an Exposed Wall in Fabric Data using the layer data for the above ground wall. Once created you can adjust the calculated U-Value…

  • RE: Walls, partitions and sections

    Chris, to extend on Duncan's answer you should consider the following. Steady State calcs such as CIBSE will consider the temp on the other side of a partition. When using CAD Input this will default to the design condition specified for the adjacent…

  • RE: Glazing data

    You can also change all, or specific glazing for the project by using the Global option on the main Design Database menu. This allows you to make changes for specific rooms\all rooms. You can also restrict changes to only change existing glazing of a…

  • RE: Hevacomp - Design Database - Special Surface Types

    Hi Rob, By any chance is this a glazed door? Any door that is more than 50% glazed is considered a Window for PartL purposes. If you set a glazed area greater than 50% then we automatically treat this as a window when we pass it to SBEM. This is…

  • Effective way to calculate Heating ad Cooling loads

    Hi, I am using Hevacomp Design Database to calculate Heating and Cooling Loads for a simple 5 Floor building using Heat loss and CIBSE gain however I want to know if there are any other options for more exact gains, a way I found this can be achieved…

  • Version 26 - Run Time Error 380 in MAT after installation

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (25) Environment: N/A Area: N/A Subarea: N/A Introduction NOTES: This is applicable to older installations of V26 only You do NOT need…

  • Part L (Simulation) not recognising changes made within Part L (Design Database)

    Hi have just been modelling a building - Level 5 EPC and I have been adjusting the air permeability and lighting information within Part L design database. Once I had the building 'passing' within Part L Simulation - I then went back into Part L design…

  • RE: Room Outline

    Eric - Please see the reply in this thread below.

  • RE: Hevacomp Weather File Error

    Hi Michael A quick follow up to my colleagues response above. Once you have set up the correct permissions to the software, you may need to reset your project's weather location so the project can function correctly. Load up your project. From within…

  • RE: Tracing a Room

    Hi Kieran - The function you are looking for is the Ortho On/Off toggle that can be found on the Defaults menu. Turning Ortho OFF will allow you draw your building surfaces at any angle, rather than at 90° You should be aware that this information …

  • RE: Floor Level Correction -

    The workflow for correcting a finished floor level can be found in our Support Solutions here: http://communities.bentley.com/products/building/performance/w/building_performance__wiki/11959.changing-floor-heights

  • RE: hevacomp window

    Hi Tom - To expand a little on my colleagues reply; There is an extended list glazing available within Design Database - this list can be access by clicking on the Utilities button, then on the Glazing Data tab. From here, you can examine the descriptions…

  • Can't Delete Room References

    I'm new to using Hevacomp and am struggling to work out how to delete the room references that I have created but no longer need. I've been mapping out a new residential building, and had to copy some floors over in order to change the levels of the…

  • Version 26 - Run Time Error 53 in MAT after installation

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (25) Environment: N/A Area: N/A Subarea: N/A Introduction NOTES: This is applicable to older v26 installations. You do NOT need to un…

  • MAT index file

    MAT index file - for use with 26.06 only.
    • MatIndex.zip

  • gbXML and Design Database - hints, tips and hang ups

    gbXML (Green Building XML) is a very useful format for transferring building models across a number of platforms. Bentley Hevacomp's Design Database contains a gbXML import that allows you to take advantage of this facility, but you should be aware there…

  • DXF Import Issues - Drawing is too large error

    Product(s): Hevacomp Mechanical Design Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview This document details what to do should you encounter the following "Drawing is…

  • Editing project data - Default Data vs Global Change

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview This document provides guidance on the difference between CAD Input Default Data…

  • CAD Model Design - Adding different roof section types

    Product(s): Hevacomp Design Database Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview The roof construction fabric can be changed as you are adding roof sections. Method…

  • Design Database hangs after opening project, or "Timeout accessing the database" error occurs

    Product(s): Hevacomp Mechanical Design Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview Design Database projects may stop functioning or generate a Timeout error on opening…

  • Hevacomp - DXF wont update

    I am currently using Bentley Hevacomp v8i, version 25.06.9. I have a building model that i need to update. Therefore i have copied the whole original file, with the aim of overriding the dxf with an updated one. I have tried saving over the previous dxf…

  • RE: Save custom fabric data for all projects?

    Hi, the following document from our Wiki page explains how to do this: communities.bentley.com/.../creating-a-template-project.aspx Please let us know if you have any further questions.

  • Daylight Calculations in Design Database

    Product(s): Hevacomp Mechanical Design Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview Daylight factors can be calculated for Design Database projects. Method An…

  • CAD Model Design - Changing Floor Heights

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview This document provides guidance on how to change Floor heights in Design Database…
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