Search the directory:

Natural cooling and heating system. Windmill electricity generation. Nature friendly material use. Rain water use. Solar energy collection. Compost heat use. Methane gas from the septic tank. Cleansing ponds with photosynthesis.
View Profile
Showcase site by the owner of this passive solar house that features earth shelter design, geothermal exchange, and energy recycling. Includes plans, documents the construction and explains the efficiency of the design.
View Profile
Monolithic dome house with passive solar energy. Thin-shell concrete structure.
View Profile