HEATKEYS

Photovoltaic applications, technologies and large-scale PV power plants

Material for persons interested in sun dials, with booklets, pamphlets, spreadsheets, CAD and other visual depictions using programming, conventional and legacy programming with tabular output, case studies, guides, and the like.

The U.S. DOE Energy Efficiency and Renewable Energy Web site provides information on energy efficiency and renewable energy technologies.

SolarPro magazine is a high-quality, technical publication available by free subscription to qualifying solar industry professionals. Its editorial focus is on residential- and commercial-scale solar-electric and solar thermal system design and insta...

The Naked Scientists, online, internet science radio show PODCAST. Contains science articles, online science discussion forum, interviews with famous scientists, science book reviews and free MP3 downloads including internet science radio shows and s...

Tree Tech Consulting: Arboricultural Services and Tree Care Consulting; Providing the best information for the best decisions.

OpenWind is wind farm design software for engineers and scientists. It is open source and free to download and use.

Celergo provides global payroll services in over 110 countries. Celergo helps clients manage their payroll process through a single system ensuring compliance, consolidation efficiencies and ease of expansion to additional countries.

How to avoid shadows on solar collectors and protect your solar investments; how to explore the solar energy potential of your site and optimize your solar project according to your local architecture conditions and regional climate characteristics.