• Hevacomp Mechanical Designer V8i

    I have failed to get a download button to help me download Hevacomp Mechanical Designer V8i Perpetual License. Can someone help me to overcome this?
  • How to delete a system marker ?

    I have placed a system marker (tank) and now the pressure is not sufficient. If I have to change it to a pressurized system, How do I do it?
  • Large loss of PSCC across first leg of circuit from Transformer to Main switchboard

    Afternoon all I hope someone can shed some light on what i think is a problem with hevacomp connect, i am currently working on a large project and at the transformer, we have a fault current of 24kA but 10m upstream we have a fault current of 7.9kA…
  • Adding NCM Construction Databases (standard library / inference) to Hevacomp Materials & Glazing Database

    I have been using other building modelling software that make use of the standard NCM Construction Databases for library / inference. Are there any plans for the NCM Construction Databases to be added to the Hevacomp Materials & Glazing Database?
  • Validation

    I'm new to Hevacomp and looking to find out: 1. Is the Heat Loss and CIBSE Gain elements of Hevacomp v8i validated in accordance with CIBSE TM33? 2. Is there a list of the standards that CIBSE is validated against? Thanks in advance.
  • Heat Loss Calculations - Heating Systems

    We have an unusual project (for our company). Our client wish to use a large warehouse space and create rooms within the space up to around 4 meters high. 4 Pipe fan coils units will then be installed at this height to force air down into each space …
  • Netsys - Splitting sections

    Good morning. This may be a function i am missing but is there a way to split pipe sections? I am creating a header pipe in Netsys Gas and the last part of the header always takes on the properties of the last connection. For example in the schematic…
  • Frequency Simulator - Hevacomp

    We have been asked to model a partially conditioned space to see what percentage of the year the cooling will be insufficient to maintain a reasonable temperature. Is there any way to do this with any of the summer time simulations or frequency simulation…
  • How to send your license logs

    Product(s): Bentley Hevacomp Mechanical and Electrical Designers Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview In some instances, to assist with a licensing query,…
  • Derate XLPE cables to run to a maximum of 70 deg instead of 90 deg

    Hi, Please can anyone tell me the best way to derate XLPE cables to run to a maximum of 70 degrees instead of 90? Thanks
  • Scotland PartL Calculation Room Ventilation

    Hello, I have a building which has a zone with local split AC unit providing the main heating and cooling with a centralised ducted air handling unit which provides tempered fresh air. The air handling unit has heat recovery and the capacity to heat…
  • Hevacomp Connect - Supply type Fault Level input

    Hi, regarding Connect, under Supply type Special what value is expected for Fault Current? Is it phase to neutral for single phase and three phase supplies or for a three phase supply do we input the fault current between phases?
  • Part L Update Training

    Although I am a registered Energy Assessor I only produce EPCs infrequently in Hevacomp. I now need to produce an EPC for a project and realise I need to update my training to 2013 Regulations. I can see that free update training was available in the…
  • Building Opening

    Hi, What is the best way to add openings to external walls in hevacomp? There doesn't appear to be a native feature and I haven't had much luck using custom windows/doors Thanks!
  • Floor Locations

    Good Afternoon All, Using Hevacomp design database (and CAD input) I have built a large 4 storey 'complex' building from the 1700's containing around 200 rooms, to get some idea of heat losses throughout the building. However, now the model has been…
  • Silent installation of Hevacomp v8i 26.0

    Hello, Can anyone assist with the silent installation of Hevacomp v81 26.0. I have found forum posts for Microstation, but not Hevacomp: http://communities.bentley.com/products/microstation/w/microstation__wiki/4170 I need to create a silent…
  • Netsys Heating Connecting Pipe Header Problems

    When trying to add a pipe header into a Netsys project, firstly I can't seem to edit the length/size only the rotation and secondly once the header has been positioned and supposedly connected to the emitters and a system marker, it comes up with an error…
  • Why is Hevacomp not producing a .xml file for EPC?

    So I am using Bentley Hevacomp to create EPC's and then lodge them on the CIBSE lodgement portal. However, the Hevacomp on my PC is not producing a .xml file so I am having to jump onto my colleague's PC and get the .xml from there. Obviously this is…
  • 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…
  • Hevacomp: a question about how to create.

    Hello, I would like to ask a question about the setting floor for each room. Could you please let me know how create individually the thickness of a floor for each room. Conditions folowing as; 1. no using a file of roof.dxf 2. possible or impossible…
  • False Ceiling Height

    Hi, this is Yu Koyama have taken Hevacomp training in Manchester last year and have a question. My designing building does not have the false ceiling. How can I set that "False Ceiling Height" is 0(zero)m in CAD input defaults data?
  • 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…
  • Modelling variable wall construction in single element

    I am trying to model a room in which part of the external wall is below ground level and the remaining part is above ground level. Anyone know how to do this please?
  • Chiller maximum capacity

    HI, I am working on a project which is an office refurbishment and I need to introduce the fixed chiller maximum capacity to 2 kW. I found that this can be done in Simulator - Plant Data - Chillers but no matter how I alter the chiller output, the…
  • Level 5 - DSM - Hot Water Service within 'Plant Data'

    Hello, I am trying to model an Indirect Water Cylinder within 'plant data' for a Level 5 EPC. One of the variables that the software asks for is 'heat losses from unit' with the units being W/degree C. Within SBEM, the heat loss is stated…