Most windows are south facing with overhangs that shade the windows in the summer and allow sun to penetrate the house in the winter. Solar Hot Water Systems. A natural thermosiphon system warms water in a flat plate collector as it rises to an insulated storage tank. No pumps or controls are necessary. Roads are narrow and shaded by deciduous trees, which allows the streets to be shaded in the summer, reducing the ambient temperature by 10 degrees.
Homes stay cool without air conditioning despite the hot summer climate.
The development was proposed by the developer as a Planned Unit Development. The plan evolved over several years as the developer worked to respond to perceived needs for a greater sense of community and an ecologically sound lifestyle. Greenbelts and community facilities were designed by the developer. Residents assisted in their construction during the weekend work parties. Lots were developed at a rate of about 50 per year over a five-year period.