Using plans from designers at Cardiff University in England, a zero carbon house has been completed in the town of Bridgend. Built for demonstration purposes, the home cost about $250 per square foot, which is within government guidelines for low
NIST house in winter. Public Domain NIST. When the NIST Net-Zero Energy Residential Test Facility was opened almost two years ago, I called it a High tech robotic green dinosaur. I wondered how an 86 foot wide house on a vast lot was actually