HEMERIA designs, builds, tests and integrates thermal control subsystems used in all types of applications (commercial, defense, scientific).
  • Design to customer's specifications 
  • ATOX certified processes
  • Complete procurement management
  • Controlled lead-times and costs


thermal protections designed per year


satellites in orbit with a HEMERIA solution

Approved on


Earth observation satellites


Constellation of telecommunication satellites


Military observation satellite


Earth observation satellite

Tools and resources

  • More than 4,000 sq-m of ISO 8 clean rooms
  • ISO 5 zone
  • Qualified operators
  • Sewing machines
  • Cutting optimisation software
  • Special zone for integrating 500-kg class satellites

Technical expertise and processes

  • Single-layer (SLI) and multi-layer (MLI) insulation
  • Real-time production monitoring with digital tools
  • Procurement and integration of heating elements and thermistors
  • Kevlar or aluminum secondary support structures
  • Sunshield
  • MLI beta fabric
  • RF screens
  • SIGRAFLEX® or CHO-THERM® seals
  • Heat insulation solutions meetings the project mission specifications (shadow edging, sun edging, atomic oxygen (ATOX) environment, use of titanium, etc.)
  • Heat insulation solutions meeting space industry requirements
  • Process qualification according to the mission environment (LEO, GEO, Exploration…)
  • MLI integration on customer site


  • Structure / harness / MLI synergy
  • Design and integration for constellation or single item
  • Alternative blanket composition
  • Cost optimization
  • Guaranteed delivery lead-time
  • Deliveries worldwide
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