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Heat Recovery Units


Luminair Technologies

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The WHISPER AIR heat recovery unit is designed for decentralised ventilation. It provides an ideal solution in both new and existing buildings. Its minimum noise level makes it a perfect choice for schools, offices and conference rooms.



Technical Data

  • 3 sizes with air flow : 400, 700 and 1000 m³/h
  • High heat recovery efficiency up to 90%
  • Ultra-quiet operation (35dB(A) at nominal airflow)
  • Energy-efficient EC motors
  • Integrated electric preheater
  • Optional integrated electric or watter after heater
  • Modern control with touch-screen panel
  • Easy installation and maintenance

Download our feature catalogue on the Whisper Air Heat Recovery Unit