FREE Solar thermal softwares

This section provide a list of free solar thermal softwares.

 

Free online sizing software to calculate hot solar water systems output.
This software compute the energy output according to location, water needs, type and volume of water tank, collectors area, slope and azimut.

SHW is a simulation software for Thermal Solar Systems. It is a freeware for Research and Teaching use.
Designed from unit of Energy Efficient Buildings at the University of Innsbruck, Austria.
No Online help is available.
Volunteers for

Kalkener's online solar simulation software allows calculating solar thermal water heating systems:
the sizing of its main components according to the monthly, weekly and daily hot water consumption profiles, the solar site survey, the shading, orientation and tilt losses, the optimal position of solar collectors located on sloped roofs, the annual solar energy production (taking in account losses) and its key profitability indicators, (IRR and NPV).

Userfriendly online solar Calculation and Simulation of solar thermal systems with Oventrop solar panels.
For domestic and commercial pre-sizing.
Results: Solar Yield, Solar Fraction, Efficiency, Collector Area,

Viessman ESOP Online for Viessman collectors and systems. Online Solar Calculation and Simulation of Solar Thermal Systems.
Results: Solar Yield, Solar Fraction, Efficiency, Collector Area, Storage Tank Volume.

Solar Water Heating Calculation for built up system.
Note to Users: California F-Chart has been designed to calculate solar thermal water heating contributions for built up solar systems.

Software dedicated to large hot water systems as hotels, industry, camping...

NO MORE AVAILABLE! It has been replaced by TRANSOL, see on Professional solar thermal softwares

SCAN THE SUN, Solar collector software

ScanTheSun app calculates best direction and insolation of a solar collector panels

taking into account surrounding trees, buildings or other sources of shading.
ScanTheSun allows to :

RETScreen 4 is a free Excel-based clean energy project analysis software tool that helps decision makers quickly and inexpensively determine the technical and financial viability of potential renewable energy,

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