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 Fly-Through Animation Design Video


Watch Highline Park NYC Thumbnail

Highline Park NYC Video


  

 

 

 

Resource

Rainwater Harvesting Calculator (Seattle WA)

Calculate your size requirements for Seattle rainfall

Use this tool to calculate your rainwater harvesting system (Excel format file). It is based on ten years' of Seattle's daily rainfall data. It calculates how full your storage tank will be at any given time and is an accurate tool for sizing your system.