Uploaded August 2026 | Updated September 2026, 3 weeks ago

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Flat roof solar panels are notorious for collecting dirt and standing water.

We tested a simple, low-cost solution using solar panel drains to see if they really help keep panels cleaner and improve drainage. The results might surprise you.

Watch the full video to see the results 👉 youtube.com/watch?v=v79OCX7Rij4

#solarpanels #solarpv #solarpanel