Stephanie Newman wrote:
I've only recently ordered the book on rocket mass heaters and thought I would try to make a small one for a shed to make it into a spare room. Does anyone in the UK know what the insurance rules are about this.
Seren Manda wrote:I'm getting chickens this year. After much debate of what will work for a residential backyard, I've decided to go with a south-facing hoop coop. I'd like feedback from the experts before I start construction
Joel Hollingsworth wrote:It's also not too difficult to build an air-to-air heat exchanger.
I can't find it today, but there's a how-to online for a system with two fans, one blowing room air onto an accordion-pleated piece of aluminum foil on its way outside, the other one blowing outside air onto the other surface on the way into the building. If it's set up correctly, it recovers a huge amount of heat.