Ever since I built my first soda can solar heater three years ago, I've received plenty of input on how to improve the design for better heat output. For that reason, I never hooked up the first one – in fact, I gave it away to a friend – and set about building a bigger, better ver<\/p>\n","protected":false},"excerpt":{"rendered":"
Ever since I built my first soda can solar heater three years ago, I've received plenty of input on how to improve the design for better heat output. For that reason, I never hooked up the first one – in … Continue reading