Solar Water Heater using Vacuum Tubes

This video shows the power of solar water heating which is 10 times more efficient that solar panels (PV). At 58 degrees, the solar hot water collector is steaming with a temperature of 220 farenheit inside.

Duration : 0:0:41



Leave a Comment

Please note: Comment moderation is enabled and may delay your comment. There is no need to resubmit your comment.