Tevaxia is a free, open source platform providing 18+ real estate calculators and 8 energy performance simulators specifically designed for the Luxembourg market.
The platform covers property estimation, acquisition cost calculation (including Luxembourg-specific Bëllegen Akt tax credit), rent cap simulation, capital gains tax, TEGOVA EVS 2025 valuation, hedonic pricing, DCF analysis, banking tools with live ECB rates, and a full energy module (EPC impact on value, renovation ROI with Klimabonus subsidies, energy communities with PVGIS solar data, EPBD 2050 timeline, HVAC sizing). js, TypeScript and Spring Boot.
Available in 5 languages. Used by property valuers, bank analysts, property managers, developers and homeowners in Luxembourg.