Gallery: First Net-Zero Neighborhood in the US Being Built in Boulder


A new development in the north of Boulder, CO stands to be the first completely net-zero neighborhood in the US. Dubbed SpringLeaf Boulder, the project aims to bring net-zero homes “to the masses” by streamlining green technologies and driving down costs. The twelve homes are designed for LEED Platinum certification, will be fully powered by photovoltaic systems, and are very close to shops and restaurants, creating a little eco-community within Boulder.

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  1. Dave Toder January 11, 2010 at 12:31 pm

    I am the architect for Green Acres, a zero-net energy development of single family homes in New Paltz, NY, about 90 miles north of NYC. Construction began in summer 2008 and at this time 3 houses have been completed, purchased and occupied, and 4 more are under construction. I found this website while searching to see if Green Acres is the first zero-net energy development of single family homes on the planet. I know of an existing development of zero-net energy townhouses in Germany, but not much else that is already built in this or a similar category. Please contact me if you know of another development with proper claim to this title. Thank you.
    David Toder,,

  2. Geraldmc December 3, 2009 at 11:54 am

    Your link to Geothermal Heat Pump actually links to Geothermal which is what we call “hot rocks” and not to a ground source heat pump system which provides both heating and cooling using a ground loop either vertically drilling about 200-400 feet deep or a horizontal loop 6 feet deep. Geothermal drills deep wells 1,700 meters deepto reach hot rocks producing steam or hot water. The link you provided is to Orly Airport which uses hot rock for heating only. You want to link to a real geothermal heat pump system (ground source heat pump system) a better link is to
    or or All three links use Geothermal Heat Pumps. More information can be found at

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