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

E-Waste Animation Video


Watch Ellis Residence PV Installation Thumbnail

Ellis Residence PV Installation Video


Watch Bethesda Zero Home Construction Tour PART 1 of 2 Thumbnail

Bethesda Zero Home Construction Tour PART 1 of 2


  

 

 

 

Resource

R-Values Table for Materials

Average R-value for many building materials

Chart of all materials types, their thickness and R-value