BIM Navigator / ModelIT

Model imported from Revit is giving intersection errors in model report

BIM Navigator / ModelIT

Can I import complex elements from Revit to IES VE?

BIM Navigator / ModelIT

How do I effectively model roofs and ceilings in Revit for exporting?

BIM Navigator / ModelIT

Why the floors display as shade when I import my model from Revit?

BIM Navigator / ModelIT

Modelling columns in Revit for VE export

ModelIT / BIM Navigator

Revit to IES VE: Room Separation Lines

BIM Navigator / ModelIT

Revit to IES: How to room bound walls properly?

BIM Navigator / ModelIT

Why Revit model export is showing unusual gaps/overlapping spaces?

BIM Navigator / ModelIT

Why rooms from my Revit model does not get imported to IES VE?

BIM Navigator / ModelIT

Revit model walls/space imported as a shade

BIM Navigator / ModelIT

Revit to IES VE: How to properly set the Area and Volume computations?

ApacheSim / VistaPro / ApacheHVAC / ASHRAE Loads / CIBSE Loads

What is Internal Air & Furniture Gain on my Loads Calculation results?

ApacheSim

CIBSE AM11 IES Virtual Environment 2022

VE-SBEM (FREE) / VE-DSM

SBEM simulation failed with the following error: “An error occurred during the analysis”

Can IESVE Software be used for IRS-Approved Tax Deductions (179D)?

VE runs slowly when running multiple sessions

ApacheSim

The Batch simulation option in Apache doesn't run

ApacheSim / ApacheHVAC / MacroFlo

Apache Simulation fails with an error Maximum Pressure Exceeded

ModelIT

How can I change or edit the size/shape of an already drawn space or room without redrawing them?

FlucsDL / FlucsPro

How can I remove previous results from FlucsDL Daylight Factor Threshold Table and generate report on only the current one?

ApacheHVAC

How do we assign multiple CRAH units to a single room?

VE-DSM / VE-SBEM (FREE) / NECB Navigator / Title 24 / VE-Navigator for ASHRAE 90.1

Can I use Kiva constructions with Compliance assessments and ratings in VE?

VE-DSM / VE-SBEM (FREE)

What is the new foundation area input, what is it for?

VE-Navigator for UK Compliance / VE-DSM / VE-SBEM (FREE)

Running Part L 2021 the simulation it launches is incorrect. What is this heat pump task?

VE-DSM / VE-SBEM (FREE) / VE-Navigator for UK Compliance

Running the Part L 2021 – England – ApacheSim method Simulation fails.

ApacheSim / VE-DSM / VE-Navigator for UK Compliance / VE-SBEM (FREE)

The software isn’t picking up the 2016 CIBSE Weather Files for Part L 2021.

VE-Navigator for UK Compliance / VE-DSM

The VE Compliance summary report generated in VistaPro does not show Primary Energy

VE-DSM / VE-SBEM (FREE)

Which version do I need to use for England EPC?

ApacheSim / ApacheHVAC

Can I model air transfer between rooms, create positive-pressure or negative-pressure rooms in IESVE?

RadianceIES

Is it possible to perform daylight modeling for LEED projects using IESVE?

ApacheHVAC

How to model Central Plant System using a Scheduled Load?

ApacheHVAC / ApacheSim

Water Source Heat Rejection and Acquisition in ApacheHVAC

VistaPro

Is the ApSys Boilers Energy considering the DHW as well?

VistaPro

How can I extract Heating/ DHW annual energy from VistaPro?

VistaPro

It is possible to select a peak day in terms of lowest, rather than highest value? For example, I would like to quick way to analyze the day with the lowest PMV.

VistaPro

How to Comparing two results files in VistaPro?

VistaPro

Using CIBSE loads, Is it possible to get a breakdown of the conduction load?

VistaPro

How can I change the line color of the variables in the graph in VistaPro?

VistaPro

How to combine the rooms within VistaPro?

VistaPro

How can I manage the order of my variables in VistaPro? I want to be able to switch the order in which they are presented in the peak timetable.

VistaPro

Where would I find the VistaPro variable internal gain?

VistaPro

What variable affects the total lights energy/electricity and total equip energy/electricity?

VistaPro

Is it possible to export all results variables as a .csv file or excel file from vista?

VistaPro

What are the grouped variables created for the TM52 analysis?

VistaPro

How can I view the results in VistaPro in required units?

VistaPro

How to create a session for the cooling loads (simple) pre-set?

VistaPro

In VistaPro is it possible to see a breakdown of internal conduction gain?

VistaPro

How to obtain results for external incident solar flux?

VE-DSM

How can I model Transpired Solar Collectors in VE Compliance DSM?

VE-SBEM (FREE)

How can I model Transpired Solar Collectors in VE Compliance SBEM?

VistaPro

Is there any option for the Chiller load at Room Level?

VistaPro

What is included in the parameter: the chiller load?

ApacheSim

Error: Maximum Number of materials exceeded 4000

VistaPro

Is there a way to combine results in VistaPro for multiple Display Layer inquiries?

VistaPro

How to view the wind rose diagram in VistaPro?

VistaPro

Can presets be pinned in VistaPro?

VistaPro

How to export Custom Pre-sets and Variables in VistaPro?

VistaPro

How to find the cooling loads (simple) variable?

VistaPro

Unable to access VistaPro results

What antivirus exclusions are required to run VE?

ApacheHVAC / ASHRAE Loads / ApacheSim / VistaPro

Modelling Domestic Hot Water (DHW) in IESVE

How to activate a VE licence using an Activation Code

Title 24

What version of the Title 24 Navigator supports 2019 SP1?

VE-DSM / VE-SBEM (FREE) / VE-Navigator for UK Compliance

Is there a preview version of VE with Part L 2021 updates included?

Is IES VE approved for use in India building regulations?

How can I find a list of the aps file variables and units for reference in VEScripts?

How do I extract simulation results from an aps file using VEScripts?

How do I access VEScripts?

ApacheSim

Night purge ventilation modelling (scripted profile)

Are there any sample VE Scripts I can use?

ApacheHVAC

Can I edit a prototype system or a multiplex frame?

VE Gaia / VistaPro

How do I understand the carbon emissions in the Building Energy & Carbon report generated by VE Gaia?

VE Gaia

What are the system requirements for VE Gaia?

VE Gaia

How can I get VE Gaia if I have an older version of VE?

VE Gaia

How can I check I have the correct VE version for VE Gaia?

VE Gaia

Which version of VE do I need for VE Gaia?

VE Gaia

How do I get a license for VE Gaia?

VE Gaia

How do I access VE Gaia, after the license is activated?

VE Gaia

How do I download VE Gaia?

VE Gaia

How do I use VE Gaia after installation?

VE Gaia

VE Gaia Building Energy & Carbon reports Heat in the energy split. What does it include?

VE Gaia / VistaPro

How do I study the monthly Energy Split in the Building Energy & Carbon report generated by VE Gaia?

FlucsDL / FlucsPro

Is it possible to calculate the Sky View in VE?

ApacheHVAC / VE-Navigator for ASHRAE 90.1

When assigning zones into a multiplex my zone is not shown on the dropdown list

ApacheSim / ApacheHVAC / ASHRAE Loads / CIBSE Loads

System autosizing shows zero room load

ApacheSim / ASHRAE Loads / CIBSE Loads / VistaPro

How to isolate results for a set of spaces?

ModelIT

How can I place components in ModelIT?

NECB Navigator

Can I change the language of the NECB 2017 navigator or the compliance report to French while my machine language is set to English?

NECB Navigator

Infiltration rate for NECB 2017 compliance purposes

ModelIT

How can I edit openings (windows/doors/holes) in my model?

ModelIT

How can I copy a group of openings (windows/doors/holes)?

ModelIT

How can I add openings (windows/doors/holes) to my model?

ModelIT

How can I import map data?

ModelIT

Is it possible to import a PDF file into IESVE?

ModelIT

How can I add glazing on a roof surface?

ApacheSim

Examples of different Apache Profiles in ApPro and where to use them

SunCast / ApacheSim

Is it possible to view the numeric outputs of the SunCast Solar Visualisation analysis?

ApacheSim / SunCast

What effect does SunCast link have during apache simulations?

ApacheSim

Error: Couldn’t cull shading surfaces

RadianceIES

My CBDM simulation (UDI, sDA or ASE) is taking a huge amount of time. How can I make it faster?

ModelIT / BIM Navigator

There was a feature available in VE to import .gem files that is no longer available. How can I do it now?

SunCast

SunCast failed with an error: An error occurred while running SunCast. (-2) What does it mean and how can it be fixed?

ApacheSim

ApacheSim fails and gives an Error: Element STD_CEI_ in room 'FF Lift' [60000002] has no corresponding element in room 'GF Lift' [60000000]

ApacheSim

ApachSim fails and gives an Error: ProcessSimulation::ps_loadComponentDB - error [code = 3] what does it mean? and how can it be fixed?

RadianceIES

What are uniformity and diversity? how can I get them in RadianceIES images?

ASHRAE Loads / ApacheHVAC

What does “Heating-Rm” and “Heating-Sys” mean?

SunCast

SunCast gave me this error when I ran solar shading calculation: V1.07 Shading File does not match Model. Cause error in [Windows] header. You will need to rerun the Solar Shading Calculation

ApacheSim / NECB Navigator / Title 24 / VE-Navigator for ASHRAE 90.1 / VistaPro

Using IESVE to calculate Thermal Energy Demand Intensity (TEDI)

ApacheSim

I am getting an error when trying to run the ApacheSim/Load calcs on a VE model ‘’>Error: Maximum number of opaque types exceeded, 2000’’

RadianceIES

Is it possible to visualize climate-based daylight modelling (CBDM) simulations (sDA, UDI and ASE) results for more than one room at the same time?

ApacheHVAC / ApacheSim

When running System Loads or Apache simulation I receive an error saying the ApacheHVAC network has unassigned spaces, how do I correct this?

ModelIT

My model does not show up in some views (axonometric, front and back) while it does show in other views, what could be causing that?

ModelIT

When I try to open my model in Model ViewerII, it gives me an error message that a render engine error occurred. Why is that?

ModelIT

I got a “gateway timeout” error when I tried to access OSM, how can I fix that?

ModelIT

Why do I get Download Error Message: Error Downloading File. Error Reason: when I attempt to open the OSM feature in VE?

RadianceIES

What is the Perez sky?

RadianceIES

Can I add blinds in Climate-Based Daylight Modelling (CBDM) simulations (UDI, sDA, ASE)?

Simulex

Where can I find the User Guide for Simulex?

ApacheSim / ApacheHVAC / VE-Navigator for ASHRAE 90.1 / IECC 2012 Navigator / NECB Navigator / VistaPro

How can I directly edit gas rates in the OpenEI Database Tariff tool (North America)?

ApacheHVAC

Error: mismatch between controlled variable (varA) and module type (), node XXX

VE-Navigator for ASHRAE 90.1

An error has occurred when trying to generate the report from 90.1 PRM Navigator: issue launching checklist report - please ensure you have the correct support files installed

ApacheHVAC

I get an error when running network check: the selected component is disconnected

Where can I find older WDView data?

My IESVE license keys have expired, how do I get these updated?

When trying to request a trial or activate a license an error occurred saying the software failed to contact the license server

When activating a license I get an error 101: There was a problem with the data submitted

When activating a license I get an error 100:

I am encountering an error when trying to access my IESVE licence keys

When requesting or activating a free trial I get an error 101: The supplied activation code was invalid

BIM Navigator / ModelIT

Why Does VE crash whenever I try to export the model as gbXML file?

VE Project Name and Path Restrictions

ApacheSim

What is meant by outside and inside surface area ratio of a window frame?

ApacheSim

When should I be using the faster parallel simulations option? How is it different?

Extracting Cooling and Heating Loads from ApacheHVAC to Excel

Part L 2017 Ireland

Modelling heat pumps providing simultaneous heating and cooling in ApacheHVAC

Are there further sample scripts to run in VE 2019?

Error invalid model for this network

Is it possible to edit the properties of the 90.1 Baseline building for Radiance sensors analysis?

Florida Compliance report generated by Navigator shows wrong Constructions properties.

Can't access Florida Proposed or Baseline HVAC System from Navigator

How can I troubleshoot negative flow errors in my ApacheHVAC system?

Where can I find TM59 templates?

My simulation failed. How do I view the error message?

Model uses legacy DHW Demand served by ApacheHVAC

I assigned heat recovery but it’s having no affect to my CIBSE loads

What is the parallel simulation mode in ApacheSim?

Costplan TPI options stop at Target Date 2q2017, how do I enter Target Price Index beyond this?

When running parallel simulation , an error occured saying Failed to download results.

How do I change the colour of chart lines?

Why has my VE-SBEM results changed so much by going from VE 2016 to VE 2017?

Can you tell me the versions of VE required to get the XML file required for lodgement?

Part L Ireland 2008 BER doesn't generate an XML for lodgement

What is the difference between ModelIt zone numbers, index numbers and room IDs?

What is the current approved version of IES VE for Title 24?

What versions of VE are approved for the latest Building Regulations?

In shell and core building results not showing core/shell rooms

VE convention for internal construction and windows orientation

Can the Analysis History be cleared on a Flucs Threshold report?

Section 6 2015 Delay

Why are the roof lights U-values in BRUKL report lower than what I input in the model?

Why are my lighting gains higher when dimming profile is set to “on continuously” than when it is “off continuously”?

When I attempt to install VE 2015, I am receiving an error:0x80091007: The hash value is not correct.

VistaPro

How can I access the psychrometric chart in VE?

In APLocate, I have selected one of the locations on your list, but when viewing the Simulation Weather Data tab it does not appear. What have I done wrong?

After upgrading to VE 2015 I receive a warning regarding Chiller Sequencing in my ApacheHVAC network

Why are internal walls being picked up on my BRUKL certificate for the Criterion 2 U-value check?

VistaPro

Why can't I select all variables in VistaPro?

The VE window is transparent (see through) when the software starts up

What is CHPQA Quality Index? Does it affect the simulation results?

Why VE performs slowly in VE-Compliance tool after importing a model from SketchUp/Revit plugin?

If I have Secondary Circulation and/or Storage losses what should be entered as DHW Delivery efficiency?

How to model an internal void in ceiling/roof in VE-SBEM?

How to assign two different constructions in one surface.

Is IES VE approved for use in South Africa building regulations?

Where can I find the Release Notes for the current version

UK Building Regulations in VE 2014

Where can I obtain the IESVE plug-in for Revit?

How can I generate a wind rose diagram in the VE?

How do I resolve Unmet Load Hours?

Where can I download the installer for older versions of IES VE?

Where can I find User Guides for the IES VE Applications?

How is the u-value of the window frame calculated?

No benefit when using CHP unit

ApacheSim

How can I access the Parametric Batch Processor?

ModelIT

Attached DXF doesn't appear

MacroFlo

When viewing MacroFlo Arrows results visualisation the Model Viewer ll disappears

MacroFlo / VistaPro

How to access MacroFlo Arrows in Model Viewer ll?

How do I change my Loads Methodology?

How do I edit a material name?

EPBD (Recast) section on BRUKL certificate always defaults to NO

Residential Spaces - Can't view compliance doc

How can I copy windows?

When I open the VE it closes a fraction of a second later

Standard Data & Weather Files Installation is out of date

ApacheHVAC / VE-Navigator for ASHRAE 90.1

ApacheHVAC: Tight controls for space temperature and humidity

VE-DSM

ApacheSim (DSM) Compliance simulation fails and BRUKL fails to generate, error log shows negative Electricity usage

ApacheHVAC

How do I correct a corrupt multiplex?

ApacheSim

Additional Weather Files for South Africa

Modelling a curved roof

I have received my IMPACT keys, but they're not showing up in the VE?

SunCast

What is the method used for calculating diffuse shading?

How do I find out what version of IESVE I am running?

An unexpected file format message is displayed when opening a project.

Coil sizing problems - Loads data spreadsheet

Is an overhanging roof included in the Compliance simulations?

Will the notional construction U-value include thermal bridging?

Are Local Shading Devices > Recesses used in notional building?

UK NCM system type selection.

Modeling projects that require very tight space temperature control

Where can I find further guidance on modelling in Autodesk Revit for export to IES VE? (White Paper)

Where can I find further guidance on modelling in Trimble SketchUp for export to IES VE? (White Paper)

Do IES support VE installed on Windows 10?

MacroFlo

The MacroFlo Opening Types dialog won't allow me to enter an opening angle below 10 degrees

When I try to open/save my project I get the error The model file path... contains potentially unsafe characters what should I do?

Where can I obtain the IESVE plug-in for SketchUp?

Guidance on calculating the district heating CO2 conversion factor

Specify the fuel or CO2 factor for a District Heating system

Failed to write SBEM input file

Failing the criterion 3 limiting solar gain check

How to specify a electric water heating system for Part L Compliance

Failing PartL2 even though Actual Building energy consumption is lower than Notional Building.

DSM results are very different when compared to SBEM results

VE-DSM / VE-SBEM (FREE)

How does VE Compliance account for Thermal Bridging under Part L2 2010?

XML file required to lodge my EPC is not being produced.

Have the BRE assessed the IES TaP BREEAM project tracker?

VE-DSM

Have the BRE assessed the BREEAM 2008 Navigator?

Problem encountered in function: CreateFile

How can I move my VE software licence keys?

How do I activate my licence keys?

When I try to run a simulation I see the message apache engine unregistered?

ApacheSim / VE-Navigator for ASHRAE 90.1

The BPRM report for my project shows a lot of Unmet Load Hours?

Does IES support running the VE on Macs?

Bivalent system demand weighted fuel factor is too high.

Difference between illuminance-working plane, illuminance-WP data & illuminance-WP view?

RadianceIES / ApacheSim / VE-Navigator for ASHRAE 90.1

When I attempt to run ApacheSim with the Radiance link I get an error: Error reading illuminance file, line xxx. How can I fix this?

Simualtion Vs. Actual Results

No Part L Weather File

Problems with model geometry

Corrupt Construction database

Using the mechanical supply & exhaust inputs on room data

Editing the Solar Heat Gain Coefficient (SHGC)

Generate baseline model is greyed out

VE-DSM / VE-SBEM (FREE)

I have upgraded to VE 6.4.0.8, why have my UK Part L2 Compliance results changed?

VE-DSM / VE-SBEM (FREE)

At the end of the simulation the EPC was not generated. EPCgen.log shows:“ERROR: Assessor is not qualified to undertake the assessment for this building's complexity”

VE Gaia / ApacheSim / VE-Navigator for ASHRAE 90.1

The VE has reported the wrong ASHRAE Climate Zone for the location of my project.

ModelIT

Why can't I see the text overlay in model viewer?

VE-SBEM (FREE)

Reported Personnel door U-Value is incorrect

ApacheSim

What is the maximum number of profiles I can have in a project?

VE-DSM / VE-SBEM (FREE)

How is the target emission rate TER calculated for Section 6 2010 - Scotland?

VE-DSM / VE-SBEM (FREE)

I have downloaded IES VE 6.4 but I can't see Section 6 DSM. Why is this?

UK-Dwellings + JPA-SAP

How do I perform a SAP 2009 analysis?

ModelIT

Slivers reported in ModelIT check.

VE-DSM / VE-SBEM (FREE)

How is the Auxiliary Energy Value calculated for Part L2 2006?

VE-SBEM (FREE)

Floor U-value on my BRUKL certificate is incorrect.

VE-DSM / VE-SBEM (FREE)

What version do I need to use in order to produce a valid EPC?

ModelIT

I cannot see Space Settings window (or other tool windows).

VE-DSM / VE-SBEM (FREE)

Why is the U Value reported in BRUKL different to my assigned construction U value?

VE-DSM

Crash: Access Violation when running DSM

BIM Navigator

Don't see Launch VE button since upgrading.

ModelIT

ConstructDXF: Rooms added don't appear in Room Groups?

ApacheSim

Ground Contact Constructions

ApacheSim

How to model Bivalent Systems

Best practice tips.

VE-Navigator for ASHRAE 90.1

Exterior lighting rules

How can I buy CIBSE TRY and DSY Weather files?

VE-DSM / VE-SBEM (FREE)

Why does my EPC still have a watermark?

PROMETHEUS project - Probabilistic future weather.

How can I send larger files to the technical support team?

MicroFlo-CFD

Can we put in a percentage radiative/convective heat into the CFD model?

MicroFlo-CFD

The CFD settings tool is not activated, why?

MicroFlo-CFD

The lines on the CFD monitor suddenly drop vertically after 40-50 iterations, why?

MicroFlo-CFD / ModelIT

Should I use inner-volumes for MicroFlo simulations?

MicroFlo-CFD

How do I add laminar flow grilles?

MicroFlo-CFD

Does MicroFlo take account of stratification?

MicroFlo-CFD

Can I export the CFD result as an ASCII or Text file?

MicroFlo-CFD

How is the wind speed calculated at each floor of the building?

MicroFlo-CFD

When running a MicroFlo simulation no lines appear on the graph and no results are produced?

MicroFlo-CFD

Unbalanced Flow: In-Flow and Out-Flow must balance.

MicroFlo-CFD

How do the thermal constructions relate to MicroFlo?

MicroFlo-CFD

Can I set the maximum air velocity in an occupied zone to control the comfort index?

ModelIT

How do I import a model from a CAD drawing?

VE-DSM

What is the Criterion 3 Benchmark Data for DSM Software?

VE-DSM / VE-SBEM (FREE)

I am using v6.2 but I can't see the option in the method dropdown to select Part L2 2006?

ApacheHVAC

Can the VE model temperature reset based on zone level reheat valve call for heat?

ApacheHVAC

Can the VE model static pressure reset based on box position?

ApacheSim

How do I account for thermal bridging?

FlucsDL / FlucsPro

Changing the transmittance percentage makes no difference to the results. Why is this?

VE-DSM

In the compliance results summary why is the Building Emission Rate (BER) reporting a different result than total carbon emissions?

VE-DSM / VE-SBEM (FREE)

U-Values reported on the BRUKL certificate are different from those I have assigned, why is this?

VE-DSM / VE-SBEM (FREE)

What is fraction off in NCM lighting data for?

ApacheSim

How do I import a profile from another project?

MacroFlo / ApacheSim

Error: Unrecognised keyword in MFO file :0.000

VE-Navigator for ASHRAE 90.1

U.S. Green Building Council - DES Guidance 2.0 available!

Why are CFD simulations slower on a quad-core PC?

Does the VE use 64-bit architecture?

VE-DSM / VE-SBEM (FREE)

Why are recommendations not appearing in the report?

VE-DSM / VE-SBEM (FREE)

I am trying to generate an EPC but the following message pops up telling me to set related party disclosure and transaction type

VE-DSM

Why is it I can only select NOS5 for qualification when running ApacheSim EPC?

ApacheSim

Is it possible to incorporate daylight dimming in thermal simulations using the VE?

VE-DSM / VE-SBEM (FREE)

Errors running compliance: I keep getting a message saying there are errors. How do I get around this?

VE-DSM / VE-SBEM (FREE)

Is the Virtual Environment approved for Part L2 for England & Wales?

VE-SBEM (FREE)

Error: No SBEM results found. A likely cause would be SBEM running out of memory.

ApacheHVAC

How do I model Radiant Slabs?

ApacheHVAC

How do I model Active Chilled Beams?

ApacheHVAC

How do I model a VRV/VRF System?

VE-Navigator for ASHRAE 90.1

Error: The Excel Spreadsheet could not be located

ApacheSim

Is it possible to define a moisture source?

ApacheSim

How do I set up GSHP?

RadianceIES / ModelIT

Can I model Sunpipes?

MsiGetProductInfo: This action is only valid for products that are currently installed

MacroFlo

After upgrading my project to VE 6.0.6 all of my MacroFlo Opening Types Openable Area have been set to 0%.

Display problems with the VE Navigator.

ApacheSim

Tips on minimizing time spent waiting for VE simulations to run.

ApacheSim

Error: Apache System ID not found: SYST0000.

VE-DSM

Why do I get a different rating on my EPC after upgrading to v6?

VE-DSM / VE-SBEM (FREE)

Why is the Part L2 2006 Notional Building fuel set as Oil?

VE-Navigator for ASHRAE 90.1

Is the IES software approved by USGBC for LEED energy compliance modeling?

UK-Dwellings + JPA-SAP

Can the IES VE do SAP calculations?

ApacheSim

Error: no definition found for profile UNKNOWN.

VE-DSM

Why is solar shading analysis starting after simulating the actual building?

I cannot see any Applications in the browser.

ApacheSim

Earth Tube Modelling

ApacheSim / ModelIT / SunCast

How do I include Shading devices in my model?

Simulex

How do I add people to the model?

Simulex

Can I put two links next to each other on one floor?

Simulex

When I import a DXF file into Simulex not all the lines appear?

Simulex

Is it possible to change the characteristics of people, for example to simulate wheelchair bound persons or people with restricted movement?

Simulex

How are the occupant's movement calculated?

Simulex

Why do people Jam/get stuck on Stairwells?

Simulex

Is it possible to include aspects like visibility, toxicity and air temperature in simulation?

Simulex

When importing a DXF drawing some of the straight lines and circle were twisted?

Simulex

I can't access any of the functions in the Dynamics toolbar?

Simulex

My function keys (F5, F6 etc) do not seem to control Simulex functions?

Simulex

Is it possible to count the people in a designated area?

Simulex

Can you create video files of the simulation?

Simulex

Can I change the speed that people walk at?

Simulex

When I want to calculate distance map in my project, Simulex gives an out of memory error

Simulex

Can Simulex simulate bulk evacuation such as a city or a town?

Simulex

When I click on People > Single person and left click on plan, the person is not added to the plan. Why not?

Simulex

The Most Remote route starts outside building within frame?

Simulex

Why didn't the Furniture come in with my drawing?

Simulex

Can the Information window be resized?

Simulex

Why do I see the message: This simulation has not been finished at end of simulation?

Simulex

How can I change the border/frame size?

Simulex

Are the effects due to smoke/fire included in the model?

Simulex

Which 3rd party tool(s) for a 3-D visualization of results are recommended?

Simulex

Can any module of the VE be used as 3-D input and output for presentation of results?

Simulex

Has Simulex been used to model fire safety pressurization problem according to BS 5588-4:1998?

ModelIT

My model is displayed incorrectly/looking corrupt when I open it using Model Viewer. How can it be fixed?

ApacheSim

Error: System air supply profile not found: UNKNOWN

ModelIT

Can I delete more than one opening at one time?

ModelIT

Why does the Model freeze on rebuild?

I've put an EPW file in '\Shared Content\Weather\' but can't see it in APlocate?

Can the VE use EnergyPlus (.EPW) weather files?

VE-DSM / VE-SBEM (FREE)

If a Building Name has a '&' character in it, then lodgement is rejected.

VE-DSM

Why is there a delay between the simulation completing and results being displayed?

Why can I not use formula profiles in ApacheCalc/CIBSE Loads?

VE-DSM / VE-SBEM (FREE)

When Can I Change the fuel for the Notional Building?

ApacheSim

What units are used for shading devices?

ApacheSim

Please explain the G-Value parameters?

VE-DSM / VE-SBEM (FREE)

There is no option for Variable Refrigerant Flow (VRF) in the NCM System Wizard?

Why have you linked only to Autodesk Revit Products?

Will the VE-Toolkits work with other BIM/CAD products?

Will the VE-Toolkits work with Revit Architecture?

What are the commercial benefits of the VE-Toolkits?

What if I need more technical detail than is provided by the VE-Toolkits?

Are the Toolkits right for me?

Are you going to add other features to the Sustainability Toolkit?

ModelIT

How do I draw a cone?

Why don't I see any available weather files?

I want to update to the latest version of the VE will I have to uninstall the previous version?

VE-DSM / VE-SBEM (FREE)

Why do I fail the Criterion 2 U-value Check?

FlucsPro

How do you calculate the annual consumption of electricity for artificial lighting for an office room if this artificial lighting is combined and controlled with natural lighting?

ModelIT

How do I model a zone within another zone?

ModelIT

How do I rotate a model?

ModelIT

What is Parallel Snap Lock?

ModelIT

What is Nearest Point Lock?

ApacheSim

Apache System ID:SYST0004 Not found

ApacheSim

Error reading Apache Systems File

ApacheSim / VistaPro

When I try to enter Vista I get a crash resembling the following error: The instruction at 0x00cf481d referenced memory at 0x0a6d0000. The required data was not placed into memory because of an I/O error status of 0xc0000205.

MacroFlo

When opening my project I see a dialog window telling me that I have a missing Macroflo opening type.

MacroFlo

In the Assign Opening Types dialog I cannot highlight any windows.

VE-DSM

Why do I not see my CIBSE Weather Files since upgrading my version of VE?

VE-DSM

Why don't I see any available weather files in VE Compliance?

Why do I not see my Custom Weather Files since upgrading my version of VE?

VE-DSM / VE-SBEM (FREE)

Why does my CO2 emission rise when I improve my u values?

FlucsPro

Can I use light pipes such as Solatube in FlucsPro daylight threshold calculations?

FlucsPro

Can I use light pipes such as Solatube in FlucsPro?

Where can I find the uninstall code?

Do I need Administrator privilege's to install the VE?

ApacheSim / VistaPro

How can I determine why there is a difference in results between models/versions?

VE-DSM

How do I edit my NCM Lighting Gains?

ModelIT

Why do I see the Inner Volume escaping my room?

ModelIT

How do I change the display colour in Model Viewer?

ModelIT

How do I assign Rooms to Room Groups?

ApacheSim / VistaPro

Can I recover the results file after the Failed to copy Vista results file error?

ApacheSim / VistaPro

My simulation seems to run successfully but at the end I get a message reporting: Failed to copy Vista results file. Why is this?

ApacheSim

I cannot run a simulation because I see an ApStatus.log error message: The system cannot find the path specified.

Can I add more weather files to my Virtual Environment installation?

ApacheSim

Why do I see the message Unable to Allocate Memory to Flexgrid?

VE-SBEM (FREE)

Which Activities are no longer supported by SBEM?

FlucsDL / FlucsPro

Why do the contours not go right to the edge of the image?

ModelIT

How do I extract a model from a CAB File?

ModelIT

How do I create a CAB file?

VE-DSM

How do I stop windows being generated for basement rooms in the Benchmark Buildings?

VE-DSM / VE-SBEM (FREE)

Why are my results different when I run both SBEM and ApacheSim methods?

ModelIT

What is needed for a successful gbXML import into the VE?

FlucsDL / FlucsPro

When do I need to set the Obstruct light from Internal room surfaces check box in the Advanced Quality Settings dialogue box?

FlucsDL / FlucsPro

If we are simulating a non-rectangular building with a variety of light fittings at different mounting heights, does this mean that we can't use this program?

MicroFlo-CFD

Can a supply diffuser/exhaust grille be placed within a zone somewhere other than on a wall, ceiling, or floor?

ApacheSim

How do I model a laminate pane of glass?

ApacheSim

How should I set up my systems to take into account CHP?

VE-DSM / VE-SBEM (FREE)

Is there an error in the NCM Office Template Equipment and Lighting weekly profiles?

FlucsDL / FlucsPro

What is the difference between FlucsPro and FlucsDL?

FlucsDL / FlucsPro

Is the colour of the incident or reflected light calculated by FlucsPro/DL?

FlucsDL / FlucsPro

How is light reflection and transmission treated?

Is there a written description of the calculation methodology?

FlucsDL / FlucsPro

How can I get the image without the yellow hatching all over it?

FlucsDL / FlucsPro

I want to obtain the percentage of hours in a year where the natural lighting on a working plane of a room is above 200 lux. If I simulate my room with Radiance, I can obtain the daylight factor of my room, but how can I extrapolate to obtain the lux-level for every hour of a year?

VE-DSM / VE-SBEM (FREE)

When doing a Part L2 calculation how do I set NCM Building type for a mixed use building?

UK-Dwellings + JPA-SAP

Part L1: How do we model extensions and show compliance in VE?

UK-Dwellings + JPA-SAP

In Part L1 test, what is the definition for cross ventilation? Is there a minimum threshold for a certain number of rooms to be cross ventilated or must all rooms be cross ventilated to comply with the definition.

UK-Dwellings + JPA-SAP

In Part L1, say the dwelling is ventilated using extract fans in the bathrooms and kitchen, how is this information included in VE.

UK-Dwellings + JPA-SAP

Can VE calculate a weighted average SAP value for say a block of apartments?

ApacheSim / ApacheHVAC / VistaPro

How do I view results from ApacheHVAC?

VE-DSM

Small Power electrical load. ADL2 2002 excluded this from the final carbon emissions summation, but vista did not so we had to split out loads via the misc. fuel types and ignore the system electricity outputs. Is that still the case?

VE-DSM / VE-SBEM (FREE)

Does the NCM really define that you should be heating rooms to 22ºC even in summer? It seems crazy to be heating zones at 7am only to cool them at 8am.

VE-DSM / VE-SBEM (FREE)

Why can't you change the heated room/internal void etc status at the template level?

VE-DSM

I'm a bit concerned with the amount and location of rooflights in the Part L2 2006 notional building.

ModelIT

The VE seems very slow to start up?

CIBSE Loads / VistaPro

In VistaPro after I have run CIBSE Loads (ApacheCalc), in the 'Summary Report' what is the difference between Sensible Load and Steady State Heating Plant Load?

Simulex

In the Characteristics for new people dialog box, there is a button labelled Options. What does it do?

Simulex

Is it possible to create a report that shows a breakdown of evacuation time for a destination by person type?

Simulex

Is it possible to have different types of people (elderly as compared to young males) appear differently, so they can be tracked visually?

ModelIT

I notice in the Object Bar a zone has a negative volume - how is this possible?

ApacheSim

I get an error message Room XXXX0000 has zero volume, how can this happen?

ModelIT

What is the best way to create triangular wedge shape objects (e.g. for roofs)?

RadianceIES

I have generated an illuminance image using the CIE Overcast Sky and when I go to change units to Daylight Factors (DF), this option is not available.

ApacheSim

I get an error message - Floating Point Error in PANEPR, what is this and how can I avoid it?

ModelIT

How do I create gbXML in other software for importing into the VE?

Why is my PC slow to do other tasks during simulations?

RadianceIES

My simulation is stuck at the Initialising stage?

Simulex

In Simulex, how do I zoom in to see the floor plans? (or how do I adjust the scale?)

I am creating a building heating layout from scratch. I am creating each floor individually at the appropriate height levels, however I am having difficulty connecting an individual floor level to the one above, even though the connection points are directly above. Is there any easy way to connect one floor to the one above?

ApacheSim / SunCast

ApacheSim fails and gives an Error: Surface Index out of range on rooms file: 19. Recalculate SunCast shading. How can I solve this problem?

RadianceIES

I have changed the ''eye'' position to the right mouse-click option and nothing happens?

RadianceIES

How can I change the ''eye'' or ''focus'' position for a perspective view in Radiance?

RadianceIES

I get an error that says ''Failed to create thumbnail - the selected file may be corrupt. Delete this file?'' What does this mean?

SunCast

I've completed the ''Apache Shading'' calculation but my table of results is empty?

ModelIT

When I attach my DXF the drawing is a very long way away from the origin?

ApacheSim / ModelIT

ApacheSim warns me that I cannot perform simulations with external holes?

ModelIT

The Construct DXF icon is inactive when I attach my dxf file.

ApacheSim / VistaPro

In VistaPro my zone temperature or load is not as I had expected. What is the best way for me to begin to check the reasons why?

ModelIT

What is a GEM file?

ModelIT

Can I transfer geometry from one model to another?

ModelIT

What is 'inner volume' room representation and should I use it?

ModelIT

How can I change the background colour of the Viewport?

ModelIT

What does the 'rebuild' command do?

ModelIT

What does the ''Adjacency separation distance'' mean?

ModelIT

My component has only one colour in Radiance?

ModelIT

How do I have a component with two different colours in Radiance?

ModelIT

Having copied a component from an existing project, can I edit it?

ModelIT

Can I copy components from an existing project?

ModelIT

Where are the standard Component Libraries installed?

RadianceIES

What is the purpose of the Overture (pre-sim) check-box?

RadianceIES

What types of glazing can be modelled?

RadianceIES

What initial value do I use for Glare Threshold?

ApacheSim

For a 'low e' glazing unit should the emissivity of the external surface of the glazing unit be less than 0.9?

ApacheSim / SunCast

How do you calculate peak summertime temperature for a room using SunCast and ApacheSim?

ApacheSim / ModelIT

Should I use the 'inner volume' room representation?

ApacheSim

Why is Apache stopping with 'Error 322'?

ApacheSim

Apache reports a problem in 'VBINJOB'. How do I prevent this?

ApacheSim

How can I model swimming pool gains?

Simulex

Is it possible to simulate fire or smoke with simulex ?

Simulex

How do I change the occupant characteristics?

Simulex

Where do I find more details about the occupant characteristics ?

ApacheSim

ApacheSim reports an instability. How do I prevent this?

SunCast

Is is possible to alter the plane of the ground to represent a sloping area, or is it always set at 0 in the vertical plane?

ModelIT

Is it possible to change the layer of a group of objects ie a floor level after they have been drawn?

ModelIT

I am drawing brise-soleils on a facade but keep getting space intersects existing space error. What should I do?

I have a symmetric dividing tee in my network but the K factor appears incorrect, any ideas?

Some pressure gradients appear to be wrong. Could you confirm if they are correct?

ApacheSim

How do I prevent 'zero or negative U-value' error for a glazing construction?

ApacheSim

How can I model constructions containing composite layers?

ApacheHVAC

How do I simulate chilled slabs?

MacroFlo / ApacheSim

I have been getting a message: Unknown MacroFlo profile: OFF when I try to simulate in APACHE.

ApacheCalc does not converge - '50 iterations' error message?

ApacheSim

Should I adjust ventilation rates for high altitude sites?

The solar data presented in CIBSE TM33 CIBSE standard tests for the assessment of building services design software doesn't match the Vista output - can you explain why?

RadianceIES

What's the difference between transmittance and transmissivity?

RadianceIES

I have performed a Radiance simulation and the image looks very blotchy.

RadianceIES

I have run an illuminance simulation and can't generate the Daylight Factor values

RadianceIES

I have created a Radiance image and can't get the Lux levels on the image

MacroFlo

How should I subdivide an atrium for a MacroFlo simulation?

ApacheSim

What is a formula profile?

ApacheSim

How can I match manufacturers' glazing data?

ApacheSim / ApacheHVAC

Why are my radiators, direct acting heaters and chilled ceilings not working in ApacheHVAC?

ApacheSim / ApacheHVAC

How can I model chilled beams in ApacheSim?

ApacheSim

How can I model displacement ventilation in ApacheSim?

ApacheSim / VistaPro

Why is VistaPro showing negative fabric gains during the day, even when outside temperatures are high?