Home      About      Contact      Submit an Item      
Passive    PV    Homes    Commercial    Wind    Projects    DIY    Resources    Tools    Materials    
Watch Amory Lovins Interview Thumbnail

Amory Lovins Interview Video


Watch Desalination via Solar Animation Thumbnail

Desalination Via Solar Animation Video


Watch Habitat for Humanity LEED Platinum Thumbnail

Habitat for Humanity LEED Platinum Video


  

 

 

 

Resource

Solar Collector Design Program

Compute efficiency of your own solar collector design

Design your own solar collector and compute the efficiency curves in various conditions with this downloadable calculator. You can also compare these curves to experimental data.