Online Tools for Heating Calculation and Energy Systems

Online tools for heating, thermal engineering and energy systems

This section provides professional calculation and simulation tools for heating systems, district heating, heat pumps, pipe networks and building energy systems. The tools support engineers, planners, energy consultants, building technicians and students in the design, analysis and optimisation of thermal plants.

Depending on the task, proven open-source frameworks such as pandapipes, TESPy, EnergyPlus, OpenStudio and OpenModelica are used.

Tools for different tasks

pandapipes – pipe network and hydraulic calculation

Calculation of hydraulic pipe networks and district heating systems.

• Pipe network calculation
• Pressure loss
• Volumetric flow
• Pipe diameter
• Flow velocity
• Pipe heat losses
• Hydraulic balancing
• Pump sizing
• Heating circuit calculation
• District heating networks
• Ring and distribution networks
• Network analysis

TESPy – thermal energy systems

Simulation and calculation of thermal components and complete energy systems.

• Heat exchanger
• Heat pump
• COP calculation
• Buffer storage
• District heating
• Boiler
• Storage charging time
• Energy systems
• Efficiency

EnergyPlus – building simulation

Dynamic simulation of buildings and their energy demand.

• Heating load
• Cooling load
• Energy demand
• Annual energy consumption
• Building energy analysis
• Room temperatures
• Solar irradiation
• Shading
• Ventilation
• Dynamic simulation

OpenStudio – building models

Tools for creating and managing EnergyPlus building models.

• BIM support
• Building modelling
• EnergyPlus projects
• Model generator

OpenModelica – dynamic system simulation

Calculation of complex thermal and physical systems.

• Thermodynamics
• Control engineering
• Hydraulics
• Heat storage
• Heat pumps
• District heating systems
• Dynamic processes

Typical use cases

• Heating design
• Building services
• District heating
• Energy consulting
• Industrial systems
• District and supply networks
• Refurbishment and modernisation
• Training and research

Why calculate online?

The tools enable fast technical preliminary analyses directly in the browser. Depending on the application, different calculation methods and simulation models can be used to design and optimise heating systems, pipe networks or energy systems efficiently.