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  • 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…

  • Could not open the default project. need help urgently

  • Calculations - Occupancy and heat gains

    What takes precedence for people gains - is it the Standard room input data, or the definition of activity types? VS. The activity types are referenced below are from this thread: https://communities.bentley.com/products/building/performance/w/building_performance__wiki…

  • Does anyone have experience of modelling an air supported structure to ascertain the heat loss.

    We have a project where our client is looking to provide a new air supported structure/ dome over an existing training pitch, the structure is to be heated and cooled as required. Can this be modelled using Hevacomp.

  • CAD Model Design - Roof changes not reflected in model

    Product(s): Hevacomp Mechanical Designer Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Problem Changing the roof type in Floors/Roofs isn't reflected in the model. Solution…

  • Energy Calculation - HWS and occupancy

    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Mechanical Designer Subarea: Design Database Problem Hot Water Usage is reported as zero upon running the Design Database Energy…

  • Glazing Data - Additional glazing is available

    Product(s): Design Database Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Overview When a new Design Database project is created, a default list of glazing types is included…

  • Hevacomp Mechanical Designer Course - London, May

    Hevacomp Mechanical Designer course now open for registration. This instructor-led, classroom-based course will cover all major mechanical design programs within Hevacomp, including: Design Database CAD Input Load Calculations Netsys Pipe…

  • 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?

  • 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…

  • 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…

  • Incorporating more than one wall type in a section of external wall using DDB

    On typical single storey warehouse buildings where blockwork cavity walls are often used for the lower section of external wall, and either single-skin or double-skin metal sheeting is used above the blockwork walls up to the roof line, how can this be…

  • RE: Plant Schedule

    Hello Matt, Can you clarify which software you wish to do this in? Are you talking about Design Database - PartL or Dynamic Simulation? Regards Steve

  • RE: Two internal ceilings when I add a roof.

    Hi Tony, You need to use the Setup Exposed Roofs command to connect your roof surfaces to the rooms below. This article may be of assistance.

  • RE: Yearly Gas Useage

    While these results are not directly available in the software, the Energy calculation in Design Database may be helpful as it will provide the annual energy usage in GJ. You could then use these figures to work out your gas consumption.

  • 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…

  • CIBSE Gain calculation - Importance of accurate input data

    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Design Database Subarea: Results Overview Unusual results are likely to occur if Building model data is inadequate. Method Comprehensive…

  • RE: Bill of materials/Material take off in HEVACOMP

    Thanks for clarifying. The Schedule and Print functions should provide what you require. Please see here for further information.

  • Displaying Building Input Data

    Product(s): Hevacomp Version(s): V8i Environment: N/A Area: Design Databse Subarea: Reports Overview You may wish to review your project input data. Method The Schedule and Print functions…

  • RE: Adding a layer type on wall build up

    To follow up on this matter; guidance on how to set up custom layers can be found here .

  • RE: Deleting Roof

    Should any other users require further guidance on roof design then please see this article .

  • RE: wall heights

    Hi, Please use the 'Setup intermediate floors/ceilings' function (located in CAD Input > Roof/floors ) to set up the adjacencies between these floors. This will remove all gaps between your floors.

  • CIBSE Gain - Temperature rise

    I understand that you get different heat gains in the following scenarios: Within CIBSE gain tool allow temperature to rise by 1degC Within room data increase summer design temp by 1degC There is a calculation procedure for the first scenario…

  • RE: Glazing database - effect of adding blind on G value and Shading co-efficient - CIBSE Gain

    Hi Michael, It is my understanding that the Uvalue and light Transmittance figures will not be affected by the blind, while the Shading Coefficient and SHGC would definitely be impacted. However the glazing manufacturer will need to confirm this for…

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