Efficient Home Designs from North Dakota State University
Agricultural Extension Service
Download free design plans and building details for
solar and energy efficient homes.
Download free design
plans and building details for energy saving solar, earth bermed
and super-insulated home designs.
Three Bedroom Home with Optional Sunspace
Superinsulated home design from the National Institute
for Appropriate Technology
Two Bedroom Passive Solar House
Design from the National Institute for Appropriate Technology
Earth Bermed and Passive Solar Home
Three Bedroom home with a sunspace and solar attic.
Experimental Solar Home This
three bedroom home incorporates a solar collector and
under-floor thermal mass heat storage.
Use Landscaping to Help Save Home Energy
Costs How to use trees, shrubs, paving and
groundcover to conserve energy.
About These Cooperative Extension Plans: These plans
were developed over many years by engineers at U.S. Land Grant
universities. They are generally older plans that need to be
revised for today's construction methods, codes and standards.
They provide design ideas and conceptual information for
planning purposes. The plans were prepared through the USDA
Cooperative Farm Buildings Plan Exchange.
resist various forces from snow, wind, earthquake and use. They
also must adhere to local building and zoning codes. A local
building inspector, engineer, building supplier, or building
contractor can help you determine what is a safe and legal
building for your area.