The Wall Street Journal discusses some of the latest green building practices that help homeowners save energy.  The four the author focuses on are blown fiberglass insulation (expensive yet cheaper than spray foam), heat pump water heaters (pricey systems that use heat from the air), electronic monitors (gadgets to cut unneeded energy usage), and concrete countertops (an affordable local surface option).  Read the article:

[+] How to Reduce Energy Use at Home by the WSJ.

Credit: Johns Manville.