Kaelo: free solar design and quoting software for PV installers
What once required site visits and manual work can now be completed in minutes. Kaelo uses national LiDAR data to create accurate 3D roof models, automatically designs solar installations, calculates PV performance with PVGIS, and generates all documents needed to prepare and track customer projects
Geoportal para consultar el certificado energético de los edificios
EdificiosEficientes permite consultar en un mapa la calificación energética de edificios residenciales y terciarios en España y acceder a información útil para orientar su rehabilitación.
Watoo: free 3D solar estimator for any house in France
This free, no-registration tool helps homeowners and professionals evaluate rooftop solar opportunities across France. By combining 3D LiDAR-based building modelling with PVGIS calculations, it delivers quick estimates of solar yield, energy savings, and payback periods.
Online hub helps homeowners renovate their homes with bio-based materials
A multilingual digital resource provides information on natural insulation, integrated building solutions and collective renovation approaches for homeowners in several European countries.
CASAS.ES building-level energy certificate map of Spain
CASAS.ES is a free web map that shows the official energy performance certificate (EPC) rating of individual buildings across Spain, drawing on more than 6.3 million certificates from the public registries of 13 autonomous communities.
Calculadora ciudadana para estimar el impacto energético de distintas actuaciones en viviendas
Un proyecto cofinanciado por la Unión Europea a través del Programa LIFE permite a los usuarios estimar el ahorro energético, económico, ambiental, patrimonial y de confort tras rehabilitar tu vivienda.
Assessing energy efficiency measures in buildings using RETScreen
RETScreen supports the evaluation of clean energy measures in buildings by combining climate datasets and analytical modules. The tool helps estimate potential savings and verify energy performance after interventions.
OpenStudio Analysis Framework supports scalable modelling for building energy analysis
The OpenStudio Analysis Framework enables optimisation and parametric analysis of building energy models through configurable workflows and algorithms for design and retrofit evaluation.
Open source BonsaiBIM expands digital workflows for building information
BonsaiBIM provides an open‑source IFC authoring environment within Blender, offering tools for modelling, analysing and documenting building information using international standards.
LCAbyg whole-life CO₂ emissions in buildings tool
LCAbyg is Denmark’s official tool for assessing the environmental impact of buildings across their full life cycle. It calculates resource use, emissions, and hotspots from materials, construction, operation, and end‑of‑life, helping designers make climate‑aware decisions.