Sweet LEED Platinum Home

Incredible design
Some of the features include:
A Liveroof green roof
1 kW array of photovoltaics;
Geothermal wells and heat pump;
Efficient SIPs walls and roof;
Efficient spray foam insulation;
High efficiency appliances;
Energy recovery ventilation system;
Low-VOC finishes and paints;
540 gallons of rainwater cisterns;
Custom nanogel curtain wall glazing;
Double-glazed, argon-filled windows; and
Pervious paving and drought-tolerant landscaping.

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http://www.jetsongreen.com/2009/06/metro-green-home-leed-platinum-virginia.html