Solar hot water in Auckland: why is it such a great way to go green? To put it simply: climate change. It’s the single biggest environmental challenge we face today, and the energy we consume to drive our cars, power the jets that whisk us away on holiday, heat our [...]

This is a very nicely done solar water heating system that generally follows the $1K design, but has a lot of excess capacity that can be used for hot tub or space heating purposes.Ken was able to get a set of older, but unused collectors from Craig’s list.  The six [...]