HEATKEYS

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

YouTube is a place to discover, watch, upload and share videos.

Sun and shadow position modeling with applications in accident investigation and reconstruction, forensic shadow analysis, site planning, building design, architecture, urban planning, shadow impact, solar access, daylighting, engineering, solar ener...

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Folsom Labs is developing the next generation of tools for photovoltaic system design.

A Green Design Blog, Sustainable Design Blog, Future-forward design for the world you inhabit - your daily source for innovations in sustainable architecture and green design for the home.

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

As the industry’s largest manufacturer of custom-made window treatments, Hunter Douglas window fashions are designed and assembled in the U.S., and backed by a Lifetime Guarantee.