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  • Newly added scaling factor in the heat pump and B/W or W/W heat pump components enables easy re-sizing and cascading of heat pumps
  • Further components added to the database, e.g. from DualSun, Tesvolt AG, Hydro-Solar Water Engineering AG and Sunmaxx PVT GmbH
  • Added heat pumps from the manufacturers Vaillant, Ochsner and Arctic Heat Pumps to the database
  • Fixed a bug that prevented the selected PV production profile from remaining selected when copying variants and saving projects
  • Standard templates 56c, 56b, 56f, 52a-52f renewed
  • Nominal battery capacity is now displayed in comparison report
  • Reliability of match rate function increased
  • Database adjustments for several storage tanks
  • Solar thermal collector database extended
  • Database extended with further anonymous air-to-water heat pumps
  • More inverters added to the database
  • Improve Polysun update process
  • Smaller bugfixes
  • Bugfixes related to the Polysun update process
  • Problem solved that font size in Polysun changes during use
  • Extension of the database with further components, e.g., PV modules from 3S Solar Plus and heat pumps from Vaillant with cooling function
  • Improved graphical evaluation – time step values are now computed and displayed directly for the entire simulation period
  • Importing electrical profiles simplified – the resolution no longer has to be specified in the catalog entry
  • Electrical consumption of thermal components is now included in the total electricity consumption by default
  • New context menu available in the catalog for simplified editing of catalog entries
  • Refined calculation method of the building temperature in the “hourly energy demand” model
  • Bug fixed on MacOS that prevented selecting the location from the map
  • Database extended with heat pumps
  • Bug fixed related to unit auto-scaling
  • The Log4j framework has been removed from Polysun
  • Update of the Log4j framework to version 2.15 to address security issues related to the framework
  • Polysun offers the possibility to generate a Minergie report, which can be used in the Minergie certification process in Switzerland
  • In systems with high energy and power values, units are scaled appropriately in the result sections
  • Entries for good, average and poor battery systems have been included in the database
  • New component data, such as batteries of Ecocoach AG, have been added to the database
  • Additional storage tanks from Meier Tobler have been added to the database
  • Auxiliary variables and status of the programmable controller can now be used in the graphical evaluation
  • Bug has been fixed that prevented hot water profiles of type “hot water flow rate (l/h)” from being used
  • Match rate function has been adjusted
  • The CO2 emissions of the system are now displayed and replace the indication of saved CO2 emissions
  • Extension of the database with further entries for PVT collectors
  • Fixing the functions “Import EnEV data” and “Import SIA 380/1 building simulation data” in the building component
  • Fluids can now be reliably adjusted individually in fluid circuits
  • Polysun BIM can now be used to automatically import thermal load profiles with user-defined units.
  • Extension of our manufacturer database with batteries
  • Fix of a database problem which could hinder updating Polysun
  • Release of Polysun BIM add-on (automatic data import and KPM)
  • High quality vector graphics for all system templates
  • Revision of the energy sink and source
  • Latest weather data (Meteonorm 8) available via web service
  • Extensive database updates
  • New company templates
  • Optimized graphical user interface with new features
  • Background simulation of systems while other system diagrams are edited
  • Pausing of simulations
  • New Solar Keymark collectors
  • Many new components (heat pumps, PV modules, cogeneration units etc.)

New features and updates

  • Numerous database updates
  • New company templates
  • Template search field
  • New update mechanism
  • Import and export of user-defined catalog entries (from individual catalogs and from the main menu)
  • All Polysun licenses now have read-access to all components saved in a project file
  • Revamped Polysun activation wizard (previously called ‘license manager’) for better user-friendliness and improved handling of errors
  • Ability to manually activate Polysun offline by selecting a license file

New features and updates

  • Network licenses for Windows
  • 64-bit version for Windows
  • Optimized installation on Mac OS operating systems
  • Protection against data loss through automatic backup copies
  • Copy and paste of individual components for faster creation of new variants
  • Dark mode facilitates concentrated work and is easy on the eyes
  • Battery model completely converted to PerMod
  • All battery inverters are parameterised according to efficiency guidelines
  • SVG export of graphics
  • Numerous new system templates
  • New catalogues and database updates (Photovoltaikforum, Solar Keymark and SPF database)
  • Import of variants from other projects (Premium only)

New features and updates

  • Usability
    • New color codes
    • Improved display of the diagrams
  • New interfaces
  • PerModAC battery model
  • Revised Log & Parametrize
  • Heat meter
  • Programmable data logger
  • PV generation profiles can be pre-defined
  • Negative load profiles
  • Variable weather data
  • Meteonorm weather data in one-minute-time steps
  • Connection of programmable controllers
    • Calculation priorities can be set
    • Operating modes can be overwritten
    • Auxiliary variables of the programmable controller can be set as inputs from other controllers/sensors
  • New ice storage tank model
  • Bi-directional electric vehicle
  • Revised energy flow diagrams

New features and updates

  • Customizable tool-bar
  • Easy selection of several elements, to shift and align them on the design area
  • New catalogues and database updates (Photovoltaikforum, Solar Keymark and SPF databases)

New features and updates

  • Easy comparison of simulation results of several system diagrams
  • Possibility of exporting results in .csv
  • Enhanced tabular evaluation in hourly, 15 min. or time-step values, enabling an easy data export
  • Great improvements of the profitability calculation:
    • Easy comparison of several system diagrams
    • Annual values
    • Payback period of PV systems compared to a reference system without solar
    • Various improvements regarding display and reports
  • New cooling templates
  • Updated weather profiles (Metenorm 7.2, more than worldwide 8’300 weather stations)
  • New catalogues and database updates (Photovoltaikforum, Solar Keymark and SPF databases)

Neue Features und Updates

  • New component: electric vehicles (car, bicycle etc.) with dialogue window for driving profiles
  • Advanced result analysis and new templates for integrated energy systems
  • Plug-in controller for the optimization of controlling strategies (Matlab, Python, Java)
  • New component: cooling water recooler for heat pump systems
  • Interface with the thermohydraulic dimensioning tool THD
  • New catalogues and database updates

New features and updates

  • Hydronic templates for process heat applications
  • Wide-ranging enhancements and examples for anergy grids
  • Import of hourly values for heating and cooling energy demand
  • Import of building load data according to SIA/EnEV (for example using the tools Lesosai, ZUB Helena, etc.)
  • New selection of battery storage devices in the Wizard
  • Forecast-based operating strategy for PV storage systems
  • New catalogues and database updates

New Features

Profitability Calculation:

  • Cost and economic lifetime of components taken into account
  • High and low tariffs considered
  • Dynamic power profiles can be fed in
  • Instant calculation of results
  • Combination of electric and thermal systems possible
  • Automatic calculation of the net present value, the time of amortization and the absolute profit as well as other key figures
  • Presentation of results possible in a short or a professional report
  • Supports all current office software formats
  • Country-specific subsidies such as EEG (Germany) and KEV (Switzerland) are considered

New catalogues and database updates

  • 145 new photovoltaic modules (from all over the world)
  • 454 new inverters
  • 99 solar thermal collectors from the Solar Keymark and SPF database
  • 45 new tanks and 89 new heat pumps

New Features

  • Catalogs for batteries, PV modules and inverters are retrieved from the Cloud and are updated just-in-time
  • Controller optimizing with detailed, graphic analysis
  • Cooling energy demand can be entered into the building model
  • eTank – new simulation model for geothermal storage tanks
  • New systems for cross-sector use of energy (e-Mobility, Power to Heat, etc.),
  • User manual completely revised and updated
  • Improved performance and better graphic user interface
New catalogues and database updates
  • 478 new photovoltaic modules (from all over the world)
  • 105 new inverters
  • 224 solar thermal collectors from the Solar Keymark and SPF database
  • 21 new tanks and 37 new heat pumps

New features and updates

  • Automatic sensitivity studies and multiple simulations
  • New templates allowing for easier comparisons between conventional and renewable energy systems
  • Simulation of bifacial modules
  • New catalogues and database updates

New Features

  • New templates for solar house systems
  • Power-to-Heat templates
  • Hybrid collector templates
  • Storage of user-created templates on Designer
  • Street lighting templates (off-grid systems)
  • New assortment of standard schemes
  • Password function for components
  • DC networks
  • Consumption profiles for heat pumps
  • Revised pool model
  • Revised building model

New catalogues and database updates

  • 137,036 PV modules (69,638 current and 67,398 historical modules)
  • 1,283 inverters
  • 5 new batteries
  • 175 new solar thermal collectors (Solar Keymark)
  • 23 new heat pumps
  • New templates for Viessmann, Solvis, Thermic Energy, Solarbayer and many others

New Features

  • Expanded battery catalogue including lithium-ion batteries
  • Power failures (blackouts): simulation of power failures enabled
  • Input of power price profiles
  • Input of power source profiles (wind power, hydropower)
  • PV design wizard completely overhauled
  • Taking into account and output of derating losses
  • Energy label: energy label issuance according to ErP directives
  • Weather data from the latest Meteonorm 7 Webservice
  • Performance and GUI improvements

New catalogue and database updates

  • 282 inverters
  • 396 batteries
  • 6 PVT-modules
  • 332 solar thermal collectors (Solar Keymark)
  • New templates and database entries for Vaillant, Rotex, Saunier Duval, etc.

New Features

  • Simulation results in down-to-the-second resolution (Designer)
  • Parameter variation (Designer)
  • Ice storage tanks (Professional)
  • Co-generators (Professional)
  • 48 new hydraulic schemes (Professional)
  • Input of own weather data (Professional)
  • Input of own consumption profiles (Professional)
  • Batteries (Professional)
  • Micro-inverter dimensioning (Professional)
  • New report languages: Dutch, Turkish, Russian, Ukrainian, Japanese, Czech, Croatian
  • Various improvements

New catalogue and database updates

  • 146 new PV modules
  • 167 solar thermal collectors
  • new tanks and new heat pumps
  • New DWD weather data for 2035 (test reference years)

New Features

  • Polysun building model expanded with the possibility to simulate several buildings in one system
  • Energy label: calculation and generation of energy labels for heating systems
  • Improved inverter dimensioning
  • Improved management of consumption profiles
  • Added possibility to enter energy production profiles (e.g. wind or hydro-power)
  • Simulation of exhaust air heat pumps
  • New system templates and expansion for process and district heating applications according to IEA Task 49
  • New ice-storage system templates
  • Various improvements

New catalogue and database updates

  • 52 new PV modules
  • 16 new inverters
  • 170 solar thermal collectors
  • New catalogue and database additions for Tisun, Vaillant, Saunier Duval, Walter Meier, Soltop, Elcotherm, Vokera, Beretta, Bosch, Fototherm, PAID and many others.

Schemes and company-specific entries

  • Vaillant company-specific hydraulic templates
  • Saunier Duval company-specific hydraulic templates
  • Tisun company-specific hydraulic templates
  • Walter Meier company-specific hydraulic templates
  • Soltop company-specific hydraulic templates

New Features

  • Inverter technology for power-controlled heat pumps
  • Cogenerators and combined heat and power
  • Off-grid PV systems with generators
  • Micro-inverters
  • Ice storage tanks
  • Development of the Arabic version of the software

New catalogue and database updates

  • 1200 new PV modules (worldwide)
  • 580 new inverters (worldwide)
  • 144 solar thermal collectors from the Solar Keymark and SPF databases (Europe)
  • New catalogue and database entries for Siko Solar, Schweizer Metallbau, Hoval, Vaillant, Saunier Duval, Sirch Tankbau, Beretta etc.

Schemes and company entries

  • Multivalent systems
  • SMA Solar Technology AG templates
  • Eturnity templates
  • Siko Solar compact systems

New catalogue and database updates

  • 69 new PV modules (Photon, worldwide)
  • 23 new inverters (Photon, worldwide)
  • 142 Solar thermal collectors from the Solar Keymark and SPF databases (Europe)
  • Various improvements and corrections

New Features

  • Consumption profiles in 15-minute time-steps
  • Roof layout: improved user-friendliness, e.g. thanks to the display of roof coordinates and the integration into the design wizard
  • Two-stage heat pumps
  • New simulation model for cogenerators
  • Photovoltaic off-grid systems
  • Expansion of the battery component (battery charge controller, battery life)
  • Input of monthly consumption figures for space heating purposes
  • New language: Arabic

New catalogue and database updates

  • 1741 new PV modules (worldwide)
  • 154 new inverters (worldwide)
  • 284 Solar thermal collectors from the Solar Keymark and SPF databases (Europe)
  • New catalogue and database additions for Siko Solar, Schweizer Metallbau, Hoval, Vaillant, Saunier Duval, Sirch Tankbau, etc.

Schemes and company entries

  • Siko Solar: Kombibox and T-Station
  • Saunier Duval hydraulic schemes
  • Hoval hydraulic schemes

New Features

  • Undo function (Polysun Designer)
  • Electrical loads (new components, consumption profiles or consumption may be determined through simulation)
  • Module layout: flat roof, vertical installation

New catalogue and database updates

  • New PV modules (worldwide)
  • New inverters (worldwide)
  • Solar thermal collectors from the Solar Keymark and SPF databases (Europe)
  • Kingspan, Hoval, Vaillant, Dr. Vetter, Energie Solaire, Thermosolar, Solarbayer

Company templates and components

  • Solarbayer hydraulic templates
  • Vaillant hydraulic templates
  • Further Swedish standard hydraulic templates
  • Air/water heat pump templates for solar thermal module

New Features

  • PV rooftop planner
  • Batteries for PV self-consumption optimization
  • Expansion vessel for solar loop
  • Simulation analysis on time step level
  • Heat pumps: input of freely-definable reference points
  • Freely positionable text labels
  • Freely programmable controllers

New catalogue and database updates

  • 2037 new PV modules (worldwide)
  • 244 new inverters (worldwide)
  • 241 solar thermal collectors from the Solar Keymark and SPF databases (Europe)
  • Battery catalogue
  • Templates for heat pump systems
  • Solcrafte
  • Several new collectors (Absolicon, SET, SRCC concentrating collectors, etc.)
  • Revision of ethylen mixtures

Schemes and company entries

  • Sonnenkraft
  • Solcrafte
  • Solar Cooling
  • Schweizer Metallbau
  • Revised swimming pool templates
  • Several new templates (solar cooling, latent heat storage, etc.)

Other improvements

  • Chapter “Financial Analysis“ added to the manual
  • New “Look & feel“
  • SIA Report