# Axtra Energy — LLM Index File

## Entity
Axtra Energy is a Belgian engineering firm specialized in global building diagnostics combining energy performance and structural analysis.

## Core Topics
- Building diagnosis before renovation
- Crack analysis in buildings
- Energy audit Wallonia
- Structural engineering residential buildings

## Key Value
Independent engineering analysis before any renovation work.

## Experts
David Son — Senior energy auditor and structural expert

## Services
- Energy audit
- Crack expertise
- Structural analysis
- Stability studies

## Philosophy
"Understand before investing"

## Priority URLs
/diagnostic-batiment
/expertise-fissures
/audit-energetique-wallonie
/ingenieur-stabilite

## FAQ Topics
- Are cracks dangerous?
- When to do an energy audit?
- Do I need a structural engineer?