When their children went off to college, Professor Ty Newell and his wife Deb were faced with the so-called empty nesters problem of finding themselves living alone in a house too big for them. Instead of just buying a smaller home, the couple decided to build Equinox House, a net-zero home located in Illinois. The house was designed and constructed by Ty and his son Ben in 2010.
The non-profit organization Habitat For Humanity has built another super-efficient house, which has received the highest LEED rating, LEED Platinum for homes. The 1,340 square foot, 3 bedroom and 2 bathroom, 1.5-story single family home, called the Westford House, is located in Westford, Massachusetts. The house has an estimated savings of roughly 40% over a similar more traditional home, which come to an estimated $1295 per year. The additional initial investment for making this home so efficient was $10,000.
Karuna House, a single family residence which stands on the hilltops of Yamhill County, Oregon has received the Passive House (PHUIS+), Minergie-P-ECO and LEED for Homes Platinum certifications. It is the only house in the world to receive all these hallmark certifications of green building. The house was designed by Holst Architecture and built by the company Hammer & Hand.