This page has links to other web sites that have great tools for helping you design your solar system.
- Design tools that range from sun angle to sky clarity (how many days you can produce energy from the sun). These are some very good tools. SUNDESIGN
- For a number of design calculations you will need to know your latitude and longitude for your site. This page can give you that information. Latitude and Longitude information
- It doesn’t seem like you can have enough good design ideas. This page is a link to a passive solar plans page. Passive Solar Plans
