Net-zero homes are becoming more feasible for the average home owner. So what will the future of net-zero living look like?
Engenheiro de SP cria chuveiro que dá banho 'infinito' com dez litros de água - 24/04/2015 - Cotidiano - Folha de S.Paulo Mais
Visual explaining the Passive House Standard. This page has specifications from the Passive House Institute of the US.
Solar power - solar panels and battery systems for home and business - Energy Matters
The Lightie (The Lightie)
Portland’s New Pipes Harvest Power From Drinking Water