DIY Heat Recovery Ventilator: From 55% to 90% Efficiency (Real Tests)
12:21
YouTubeDIY Yarik
DIY Heat Recovery Ventilator: From 55% to 90% Efficiency (Real Tests)
I’ve been developing my own heat recovery ventilator for over 6 years. In this video, I show the latest evolution of the system — what failed, what worked, and why most advertised efficiency numbers don’t reflect reality. During this project, I had to move from messy hand-wired prototypes to a proper PCB. That step changed everything for ...
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DIY Heat Recovery Ventilator
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