Online calculations for renewable energy

Convenient service of estimating small renewable energy system installations.

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We offer three services combined in a single platform

Solar Thermal Systems

Quick estimation of solar thermal systems

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Photovoltaic Systems

Quick estimation of photovoltaic systems

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Heat Pump Systems

Quick estimation of heat pump systems

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Simple and intuitive interface allows you to perform an estimation. All calculations are available for saving in PDF. The algorithm of calculation is based on European standards.

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For Customers

All functions of the service are absolutely free

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For Professional Installers

Unrestricted access and special features

For Vendors and Importers

Add your products to the equipment database