Home      About      Contact      Submit an Item      
Passive    PV    Homes    Commercial    Wind    Projects    DIY    Resources    Tools    Materials    Hire Us    
Watch Treehouse Video Thumbnail

Treehouse Building Video


Watch Bethesda Zero Home Construction Tour PART 1 of 2 Thumbnail

Bethesda Zero Home Construction Tour PART 1 of 2


Watch Salvaged Houses Dan Phillips Thumbnail

Salvaged Houses Dan Phillips Video


  

 

 

 

Resource

Solar Panel Shading Calculator

from Sustainable by Design

This tool lets you calculate the degree to which rows of flat solar collector panels (solar thermal or PV) shade each other. The development and maintenance of Panel Shading is supported 100% by voluntary user donations.