4 ms·

I'm the process of building a "breadbox" + coldframe hybrid to warm hot water using the sun. Similar design: https://youtu.be/tqUwBwfN5iE https://youtu.be/tqU

by foxhop 8y ago

I'm the process of building a "breadbox" + coldframe hybrid to warm hot water using the sun. Similar design: https://youtu.be/tqUwBwfN5iE https://youtu.be/tqUwBwfN5iE