Home      About      Contact      Submit an Item      
Passive    PV    Homes    Commercial    Wind    Projects    DIY    Resources    Tools    Materials    
Watch Twelve Essential Steps to Net Zero Energy

Twelve Essential Steps to Net Zero Energy Video


Watch Highline Park Design Thumbnail

Highline Park Design Video


Watch Highline Park Design Thumbnail

Highline Park Fly-Through Animation Design Video


  

 

 

 

Resource

Construction R-Value Calculator

Calculates R-value of common insulated wall and roof constructions

This webpage calculates the R-value of walls, roofs and suspended floors for most insulation material R-values. It uses the "iso-thermal planes" method, the same method as used in NZS4214:2006. Based in New Zealand.