The Solar Design Company

The Solar Design Company

- Professional Program for Modelling & Comparing Heat Pump Systems


The professional, easy-to-use program for modelling and comparing heat pump systems. GeoT SOL basic is the ideal choice for installers and engineers who need to simulate the performance of heat pump systems quickly and easily.

With GeoT*SOL basic you can:

  • Choose from a variety of system types and components
  • Calculate energy usage and costs
  • Optimise systems by targeting the highest possible SPF
  • Integrate a solar hot water system with your system
  • Produce a project report with clear presentation of data and graphics

This software uses extensive icons to select options and change variables. It can simulate both ground source and air source heat pump systems. For ground source heat pump systems, GeoT*SOL basic calculates the required number and depth of bore holes.

GeoT*SOL basic also evaluates economic efficiency by calculating the ratio of heat price to anticipated service life. Professional reports are produced for customers.

With the included Meteosyn module, users can choose from over 650 climate data locations throughout Europe.

The dynamic simulation within the programme utilises parameters such as electricity energy consumption of components, losses from storage tanks and pipes, heating and hot water demand amongst many more to accurately model the performance of your system.

GeoT*SOL makes its calculations using recent research from ISE Freiburg and several manufacturers who have provided their database information. References are made to the following standards:

  • EN 15316-4-2
  • EN 15450
  • EN 14511
  • EN 255-3
  • EN 12977-3
  • EN 4108-6
  • EN 12828
  • EN 12831
  • DIN 18599-1
  • VDI 4650
  • VDI 4640
  • ISO 9488

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