Update history​

CYPEHVAC Hydronics

New analysis reports and graphical analysis of results

In the previous version (2023.g) a new 3D work environment was implemented in CYPEHVAC Hydronics. Now, in version 2024.a, reports with the main results of the system calculation and the possibility of configuring the documents generated by the program from the available reports have been included: "Results", "Materials" and "Drawings".


In addition, the "Graphical analysis of the results" tool has been adapted to the new 3D environment for displaying different calculation variables on the system, modifying the colour of the pipe spans depending on the value of the variable.

Cost databases and mapping files, and sets of measurement rules

As of version 2024.a, users can manage the "Cost databases" and "Mapping files" databases (in applications with a "bill of quantities" tab), and the "Sets of measurement rules" databases (for Open BIM Quantities) in two different locations, which can be toggled via a drop-down menu:

  • Database directory
    A directory containing the databases is indicated. This makes it easier to use databases shared by several users. This option was used in previous versions.

  • Project databases
    The databases are saved together with the project in the application. When it is compressed from the "File" menu in the application, the databases will be included in the CYP file generated. This way, the project can be shared with the databases used to obtain the bill of quantities.

Exporting "BIM model element identifiers" to FIEBDC-3 (.bc3)

The "BIM model element identifiers" option has been added to the bill of quantities export panel to FIEBDC-3 format (.bc3). When activated, the IDs of the elements in the BIM model will be added to the comments of the quantity detail lines, as indicated in the code from version FIEBDC-3/2016. In previous versions, these fields were always added to the file, but to ensure compatibility with other applications that are not able to work with them, the export of these fields can now be controlled. 

This option is activated by default. Furthermore, the FIEBDC-3 files included by the "Bill of quantities" tab in the contributions for the BIMserver.center platform always contain the identifiers of the BIM model elements.

New method for connecting applications to the BIMserver.center platform

The mode of communication between Open BIM applications and the BIMserver.center collaborative work platform has changed. In previous versions, the applications used the "BIMserver.center Sync" tool to upload and download the files of the contributions associated with the project from the platform. This tool was downloaded from the BIMserver.center platform or installed together with the installation of the platform applications if users so desired.

From version 2024.a onwards, applications are now able to work directly with BIMserver.center without an intermediary. That is, without the need for the "BIMserver.center Sync" tool.

This modification will improve the performance and efficiency of Open BIM applications significantly. By removing this dependency, the applications have more autonomy and the waiting times for communication between BIMserver.center Sync and the program have been considerably reduced. The process of downloading contributions has also been optimised, as users no longer need to obtain the entire content of a project from BIMserver.center in order to work, but only the contributions to be read.

The way of authenticating a BIMserver.center user in the applications has also been modified. Now, this process is carried out within the BIMserver.center web platform. To do this, the application with which the user is working will run the user's default browser when the "Login" button is pressed. When the credentials are entered, or after opening the browser if the user is already connected to the platform, an authorisation page will be displayed. This page details the resources the application is requesting access to and two buttons for granting or denying this access.

The authorisation must be carried out for each application. Once access has been granted, it is saved for the next time the program is run and there is no need to perform this process again for that application.

As well as performance improvements, changes have been made to the user interface of the Open BIM applications regarding the connection to BIMserver.center.

  • The "Connect to BIMserver.center" window now includes a "Configuration" button. Clicking it launches a menu from which you can edit the "File directory stored in local cache". This is the path where the files that make up the contributions will be downloaded when working with them from the applications. In previous versions, this location could be selected from the BIMserver.center Sync tool.
  • The appearance of the "Project selection" window has been modified.
  • In the "Select project" list, the "View only my projects" option has been added to show only the projects where the connected BIMserver.center user is the owner. Icons have also been included for the "Type of project" column in order to make it easier to identify them. The detailed data of a project now shows the image of each contribution, the description and the tags.
  • The "Review new contributions" and "Review updated contributions" options have been added to the "Create new project" window.
  • The list for selecting contributions ("Import BIM models") now includes the images of the contributions and the tags. The name of the contribution will be displayed in blue to indicate that the owner is the logged-in user.
  • When sharing a contribution or selecting contributions during the process of linking to a BIMserver.center project, a progress window will appear during the upload or download process.

To work in BIMserver.center with versions of Open BIM applications prior to 2024.a, users must continue to use the BIMserver.center Sync tool. This is still available for download from the platform and was included in the installation packages of the CYPE Open BIM applications prior to 2024.a.

Previous versions

The implementation of the 3D work environment, together with other new features included in this update, means that version 2023.g of the program and later versions will not be able to read any jobs created with versions before 2023.g. These jobs can be read with version 2023.f or with the version with which they were created.

Previous versions of CYPEHVAC Hydronics can be downloaded from the BIMserver.center platform. However, we recommend that the latest version is always used for new jobs.

BIM integration

The program allows users to import the requirements of the radiant floor systems, as well as the thermal loads of the building, so they can be assigned to the equipment to be designed.

Water condensation circuit

The design of condensing circuits for water-to-water heat pumps has been integrated. Based on their power and performance data, the program analyses the thermal power in the heat pumps' external heat exchanger and allows the hydraulic circuit to be defined up to the equipment responsible for dissipating this power. For this purpose, cooling towers as well as the generating equipment representing a heat source, e.g. a geothermal collector system, can be provided.

Separating hydraulic circuits

Distribution elements such as manifolds, hydraulic separators and heat exchangers have been added, which allow the system to be divided into separate circuits. The program calculates the pressure losses in each of these circuits separately and, in the case of circuits separated by a heat exchanger, it also calculates the volume of water in each circuit.

New equipment

The new version of CYPEHVAC Hydronics also includes the new feature of being able to analyse elements of the system that were not available in previous versions, such as the distribution elements, the condensation circuit equipment and the elements that link the air-conditioning system with the DHW system.

Some of the existing equipment in previous versions, such as heat pumps and fan coils, has been split into types for easier use. For example, fan coils have been split into 2-pipe and 4-pipe fan coils. Furthermore, air handling units have been explicitly added.

Applications with a 3D environment. Level management

As of version 2023.g, applications with a 3D work environment can include a new feature that allows users to associate the elements of their model with levels (the programs that have this utility in version 2023.g are listed at the end of this new feature). The levels can correspond to the floors of a building or any other reference plan required for the model.

The level management menu is included in the applications by means of a dockable window. In this panel, there is a drop-down list with the buildings and levels defined in the model, as well as the available options (create, edit, delete, assign, etc.).

The options in the "Levels" window allow new buildings and levels to be entered in the model. Levels must be defined within a building. Next to each level, we can see its elevation and, shown in brackets, the number of associated model components. Their visibility in the work area can also be activated or deactivated.

Using the "Assign elements to a level" option, we can select components of the model from the work area and associate them with the level selected in the list. The "Unassign elements to a level" option allows the reverse operation to be carried out. To help users when using these tools, the elements that belong to the selected level will be shown in green and those that belong to another level will be shown in red. The "Information on the level of an element" option is also available, with which it is possible to inspect an object from the work area and obtain its current level. Finally, the "Automatic level assignment" option associates the components of the model to the defined levels automatically. To do this, the geometry of the element is analysed and the level immediately below it is searched for.

When linking to a BIM project, the application can read the buildings and levels of the contributions. These will be listed in the "Levels" window in blue and we can assign model components to them. To avoid congruence issues between contributions, buildings and levels that have been read from the BIM project cannot be edited.

The levels are exported in IFC format via the "IfcBuildingStorey" entity. As this is an entity included in the standard, applications from other manufacturers that work with IFC files can read the levels and their relationship with the components of the model.

In this 2023.g version, the level management window has been included in the following applications:

  • CYPEFIRE Hydraulic Systems
  • CYPEHVAC Hydronics
  • CYPELEC Distribution
  • CYPELEC Electrical Mechanisms
  • CYPELEC PV Systems
  • CYPEPLUMBING Water Systems
  • Open BIM Analytical Model
  • Open BIM Lightning
  • StruBIM Rebar

New 3D work environment

CYPEHVAC Hydronics has moved from a 2D environment to a new 3D work environment, providing greater capacity in the modelling of water distribution systems for HVAC systems.    

With the new 3D work environment, the following can be achieved:

  • All elements and pipes can now be entered in the different views (3D views, plan views, elevation views, etc.). Vertical pipes in particular are now easier to generate.

  • Greater geometric precision when positioning the elements of the system.

Status bar

The "Bill of quantities" tab now includes a status bar at the bottom of the main window that displays contextual information about what is being carried out in the application.