“We use only natural, non-toxic materials, maximize energy efficiency, and apply passive and active solar when it is practical. We are very conscious of the subtle energy flow through the home and how it feels to be in the space.”

Style is the synthesis of experience, innovation and design. Imagine a home designed around you, your family, and the way you live. You talk, we listen. Ideas, thoughts, issues, concerns, and costs, all of it gets considered in the design process. Out of that process, your home will emerge, a vivid, vital expression of who you are, giving your home a unique style you can call your own.

SDG has been a pioneer and innovator in green high performance homes for decades. We have developed numerous building and renewable energy products and technologies to maximize comfort and health while minimizing operating costs and environmental footprint. Our attention to detail results in homes that can be self-sufficient and completely independent of the electricity, water, and sewer grids.

SDG President John Spears has been designing and building healthy, energy-efficient, green, solar homes around the world for over 35 years with an emphasis on self-sufficient buildings and communities. He has designed sustainable communities in Mexico, South Africa, and China, including the Beijing Olympic Village. Over 6,000 of John Spears' Earth Homes™ have been built around the world, and he has consulted on numerous LEED projects.

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New Home and Remodeling Design and Construction

We work with you in a collaborative design process to design and build a home that meets your needs for space, functionality, style and budget. We specialize in healthy, harmonious and ecologically sound design. We use only natural, non-toxic materials, maximize energy efficiency, and apply passive and active solar when it is practical. We also are very conscious of the subtle energy flow through the home and how it feels to be in the space. Our goal is to give you a home that feels like home, is healthy for you and your family and is in complete harmony with nature.

We specialize in homes that are completely independent of the electric, water and sewer grid. In some parts of the world where the electric cost is very high, Earth Homes are less expensive to own than conventional housing. In the US, the Earth Home allows you to build in places with out electricity, water or sewer and be completely independent.

Our mission since 1973 has been to design and build buildings in complete harmony and balance with nature and self-sufficient in energy, water, waste and food production. We have the technology to harness the solar, wind and biological cycles to provide a complete life support system for people through integrated design that mimics nature. By working with the forces of nature and the resources of your site, we can provide all the basic life support functions of the home including: healthy shelter, clean water, waste processing, hot water, cooking, heating, cooling and electricity. When integrated with a garden and/or green house, the home can even provide food and income.