Effective ventilation rate of 99%! The promotional video for the heat exchange ventilation system "LWZ Series Ceiling-Mounted Type" is complete!

Complete promotional video for the heat exchange ventilation system 'LWZ-130' that 'definitely replaces the air' - the first of its kind from a European manufacturer (according to our research), ceiling-mounted heat exchange ventilation system 'LWZ-130J/JE' (to be released in April). The video is now complete.
https://www.youtube.com/watch?v=3LExSVdrJrA
Main features:
- Effective ventilation rate of 99% (Class A1)
- Insulation performance improved by 30% compared to conventional systems
- Heat exchange efficiency of 90%
- High airflow with low noise design.

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