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Municipal heat planning: easily mastered with simulation

Municipal heat planning is easy to manage with Polysun.

Discover our new support page

Check out the new content on our support page online and improve your Polysun...

Reliable planning of energy systems for multi-family houses

Energy concepts for multi-family houses can be planned and compared quickly and thoroughly to...

Recommend Polysun and get a reward

Recommend us to others - it pays off twice!

Integrated planning of energy systems – Simulation software for the holistic evaluation of energy system variantsIntegrated planning of energy systems

Integrated planning of energy systems - Simulation software for the holistic evaluation of energy...

Vela Solaris at Renewable Energy Exhibition in Japan

The Renewable Energy Exhibition in Tokyo took place from January 31 to February 2,...

SuWoTec and ANT

SuWoTec together with ANT provide a circular system approach to the Dutch market.

Energy solutions at GETEC

Polysun supports the planning and simulation of energy solutions at GETEC

TESVOLT

TESVOLT partners use the project planner to design battery systems online and order them...

ISH 2023 – Count us In!

After a four-year break, the International Sanitary and Heating Fair (ISH) will be held...

Mainova

Mainova provides sustainable energy for the Eintracht family!

Offre d’emploi: Postuler maintenant

Offre d'emploi: Responsable des ventes

Customers ask us: Post # 1

Customers ask us: Post # 1. To what extent does the installation of a...

EnBW Contracting

EnBW Contracting plans future-oriented energy supply concepts for the housing industry with Polysun.

eZeit Ingenieure

eZeit Ingenieure plans complex energy refurbishment with Polysun.

Welcome Michael!

Since the beginning of the year Michael Hönes strengthens the team of Vela Solaris....

SuWoTec together with ANT provide a circular system approach to the Dutch market.

suissetec

The building technology association suissetec launches the web app "Building Technology Calculator" and relies...

Grünheide (DE) urban district

reich+hölscher dares to break new ground and convinces with an innovative energy concept -...

PCM and latent thermal storage successfully simulated with Polysun

A latent thermal storage system with PCM capsules is simulated in Polysun in an...

Education and Sports Campus Bürstadt, Hessen, Germany

Team für Technik convinces with simulation-based planning by Vela Solaris - Polysun.

Polysun by Vela Solaris with advanced BIM functions

Software enables digital simulation of energy systems for holistic, optimized and visionary construction projects...

levelup with Polysun

For the planning of the solar energy system, the interdisciplinary levelup team relies on...

Demand for commercial storage for peak shaving is on the rise.

Polysun is mentioned as a simulation software for storage integration by pv magazine.

SunPeople project builds energy simulation platform – using the Polysun API

The Interreg FCE SunPeople project aims to increase the development of a decarbonised heat...

Polysun is accredited by Minergie

Our simulation software Polysun is now officially accredited by Minergie for the calculation of...

Polysun goes BIM: The new Polysun release increases planning quality!

The actual software release of Polysun makes the use of simulation of energy systems...

Tenna does an internship at Vela Solaris

Tenna Söndergaard is currently doing an internship year at Vela Solaris. This is an...

Vaillant Group

The Vaillant Group relies on the simulation software Polysun from Vela Solaris for the...

Clever use of simulation in BIM projects: This makes planning fun!

BIM (Building Information Modeling) raises high expectations for time and cost savings and for...

Stadtwerke Düsseldorf

Stadtwerke Düsseldorf offers its customers convincing energy solutions. The Polysun software is the tool...

Angela Krainer is new managing director of Vela Solaris

Since January 2020 Angela Krainer has been responsible for sales and marketing at Vela...

Polysun 11.1 reaches top performance scores

Polysun, the leading software for planning and simulating building-integrated energy systems has just become...

Die Überseeinsel

Thanks to its proven competence in the field of system simulation, the planning office...

Aparthotel in Bern

B-Solartec HAS DEVELOPED AND IMPLEMENTED AN INNOVATIVE ENERGY CONCEPT COMBINING ICE STORAGE AND PVT...

Meier Tobler

Polysun has been successfully used in sales at Meier Tobler for years. Yield calculations...

Lucerne University of Applied Sciences and Arts

The Lucerne University of Applied Sciences and Arts – Engineering & Architecture – has...

Technical University of Dresden

The Chair of Building Energy Systems and Heat Supply is dedicated to current research...

Dalarna University

For more than 30 years, the Solar Energy Research Center (SERC) at Dalarna University...

BayWa r.e.

BayWa r.e. is a leading global provider of energy solutions in the field of...

EKZ

EKZ (one of the largest Swiss utility companies) is conducting pilot projects for solutions...

PVSEC 2017 Publication

Two communication libraries were developed that enable the co-simulation of IEC 61499 control applications...

Automated Optimization of Solar-Thermal Systems Using Software in a Loop

Making solar thermal systems less expensive, often results in a lower system efficiency. However,...

Setting up a computer as a license server

Step-by-step guide for Polysun server license installation If you have any questions or problems...

First solar hydrogen storage in a private building in Western Switzerland: building energy analysis and schematic design

Buildings have a great potential to produce their own electricity thanks to affordable photovoltaics...

Vallidation of an Ice Storage Model and its Integration into a Solar-Ice System

Ice storages allow the storing of solar heat in a compact volume for the...

BIM Use-Case: Model-Based Performance Optimization

This contribution demonstrates the application of a building information modeling (BIM) use case including...

Master’s thesis: Development of model-based control applications compliant with IEC 61499 for building energy systems with a focus on photovoltaics

Political marginal conditions for PV systems, such as feed-in limitations have resulted in the...

PVSEC 2017 Publication

Two communication libraries were developed that enable the co-simulation of IEC 61499 control applications...

Teaching Renewable Energy Systems

Experience in using simulation software for teaching solar energy and heat pump applications are...