H. Östberg
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  1. Products
  2. Air handling units
  3. Radon solutions
  4. Effective solutions against radon
  5. Radon from Ground and/or Building Materials
  6. FTX System

FTX System Updated: 2026-05-20


An FTX system requires more extensive modifications to the building but provides significantly improved indoor air comfort.
We recommend our award‑winning heat recovery unit HERU, with an efficiency of up to 86%.