Thermal bridging calculator.5 easy steps to get fRsi and psi.
Easy and professional calculation of temperature factor (fRsi) , surface temperatures and psi values for your specific design. The thermal bridging calculator allows you to design condensation-free detailing with high energy efficiency. And because the program is internet-based, there is no need for software updates. Users always work with the latest version and the program runs on any end appliance (PC, tablet or mobile phone) irrespective of the operating system.