Sketchup
Download the free version of Google’s Sketchup – a fantastic 3D drawing tool. Many architects and builders are finding the free program a great way to share ideas with clients electronically. And because it is so easy to use, homeowners can easily amend the design to include their own graphical elements.
Home Energy Efficient Design (HEED) free software
Designers & builders looking for an easy-to-use software program to refine residential designs for energy efficiency should check out this free program downloaded from the web. The program is based on comparing a user-defined case study home to two “conventional” homes.
The Carbon Footprint Calculator uses information about your daily activities to calculate your contribution to global warming.
CarbonNeutral Calculator
Use this tool to calculate carbon offsets required for air travel.
FindSolar.com’s Solar Energy Calculator: Is Solar Right for Me?
Calculate your annual savings and home value appreciation by going solar anywhere in the country.
Green Footstep
An assessment tool for reducing carbon emissions from building construction projects provided by the Rocky Mountain Institute (RMI)
PV Watts
Solar Energy Calculator to predict how much energy your PV system will net annually in grid-connected installations.
Solar Village Homes Savings Calculator
This thorough worksheet will convince you why buying or building an energy efficient home with renewable energy equals lowers monthly bills.
