Solar air heater
Putting one layer of cardboard to insulate
Installing radiant barrier to increase insulation
I used a washer and screw to secure the insulation materials.
It was first operation of the solar air heater. It’s fully functional now.
Checking air temperature
Twenty three Celsius degrees at the heater pipe
Seventeen Celsius degrees near the pipe hole
Five Celsius degrees near the ceiling
Outside temperature was four Celsius degrees.
Concrete brick crusher
I bought a heavy duty hammer head from a scrapyard few months ago.
I made a simple Ground Rod and had used it for few months.
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