Una excelente idea este bricolaje, reciclaje donde utilizando las latas de aluminio para captar la radiación solar y calentar el aire, podemos fabricar un calefactor solar para nuestra casa, el...
"BIVI TENT" ...thinking back packing... Ideal size and weight, weatherproof. As close to sleeping under the stars as it gets.
Canvas bedroll …
House Plan 2017
Passive Solar Heating | Passive Solar TBZ on a Winters Night
Lloyd has railed against "eco-bling" in the past, also known as the practice of strapping on solar panels or other sexy clean tech onto fundamentally unsustainable homes or communities. But, when done right, solar
Passive cooling & heating, I especially like the concept of adding humidity through a conservatory: