Blog

Data Center Heat Reuse: Regulatory Requirements, Typical Use Cases and Optimal Planning

Data Center Heat Reuse: Regulatory Requirements, Typical Use Cases and Optimal Planning

Kick-start the New Year with Polysun – and Save up to 30% with Our Christmas Offer!

The end of the year is the ideal moment to position your upcoming projects...

Buffer tanks in parallel or in series: How to achieve planning reliability and cost-effectiveness

The choice of connecting the buffer tank parallel or in series directly impacts the...

Cascade Heating: Application Range, Sizing, and Optimization

What Is Cascade Heating? A cascade heating system is a setup in which multiple...

Sewer heat recovery: unlocking urban energy potential

Urban areas face unique challenges in the energy transition: limited space for solar panels...

Top 12 heat pump design software

Update: February 2025 Simulation of heat pump systems is essential for accurate heat pump...

Heat pump control: Which settings and components optimize the combination with photovoltaics?

In practical projects, different heat pump control systems were examined to see how they...

Leadership transition: Samuel Gähwiler becomes the new Managing Director at Vela Solaris

Vela Solaris, a leading provider of software solutions for the planning and optimization of...

Advanced District Heating Software for Municipal Planning

District Heating Software: An overview

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...

EPRO Engineering

Polysun supports EPRO Engineering in the planning and simulation of energy solutions.

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

ISH 2023 – Count us In!

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

Customers ask us: Post # 1

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

Welcome Michael!

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

Grünheide (DE) urban district heating design

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

Phase Change Material (PCM): Successful Simulation of Latent Thermal Storage with Polysun

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

levelup with Polysun

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

Peak Shaving with Commercial Battery Storage – Demand is Rising

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...

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...