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New Firmware Version 2.500

02.09.2026 8:12

As of 1 September 2026, we have released the new firmware version v2_500 for VENTBOX heat recovery units, replacing the previous version v2_490.

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New Firmware Version for VENTBOX Heat Recovery Units

We recommend updating to the latest firmware version to ensure that your unit is running the most up-to-date software for proper and reliable operation.

⚠️ Important Notice:
The firmware is available for download in .zip format. Before uploading it to the VENTBOX unit, the downloaded file must first be extracted. The compressed .zip file cannot be uploaded directly to the unit.

The latest firmware version v2_500 is available in the Downloads section.

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