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  6. HERU 300 S EC

HERU 300 S EC Updated: 2025-09-08

8010839 - HERU 300 S EC-y2

  • NEW! Controlled by the HERU IQ app via Bluetooth or cloud service (use of Cloud service requires internet connection to the HERU).
  • Wireless touch display as accessory.
  • Model with side connections.
  • Designed for supply and extract air ventilation with energy recovery.
  • Suitable for installation in apartments, small houses, offices and other premises where there are stringent requirements on the indoor environment.
  • High temperature efficiency, low energy consumption (SFP), low sound level, high operating reliability and provides clean indoor air.
  • Unique design minimizes all thermal bridges.
  • Integrated Modbus communication. No accessories needed.
  • Easy installation wizard.
  • Scheduled operation.
  • Integrated control for preheater.
  • Supports use of presence sensors.
  • Airflow is generated by two silent radial fans with EC motors and impellers with backward curved blades.
  • The fans are connected using quick connectors and are very easy to remove for cleaning.
  • A regenerative, non hygroscopic, aluminum rotating heat exchanger located in the center of the unit. The heat exchanger can easily be removed for cleaning.
  • Delivered with bag filter ISO ePM1 65% as standard, for both exhaust and supply air. The filters are very easy to change.
  • Integrated controls for heating/cooling. Increases thermal comfort by heat recovery or night cooling.
  • Integrated electric heater.
  • The unit is made of galvanized steel sheet.
  • 50 mm insulation.
  • For placement in warm or cold areas.
  • Comes in right-hand design as standard, but can easily be rebuilt to left-hand design.
  • HERU 100S and HERU 160S are equipped with wall plug. HERU 200S and HERU 300S comes with cable for fixed installation.
NOTE! The warranty of HERU® is only valid if accessories/equipment (e.g. filters) from H. Östberg AB are used.