Although many homeowners want their cooling systems to be energy efficient, they are not quite certain how to ensure it. Learn how the new U.S. Department of Energy requirements for central air conditioners manufactured after January 23, 2006 will raise the standard.

Learn about new energy efficiency standards for cooling systems

Now it’s easy to be green. The National Association of Home Builders has launched its National Green Building Program, an education, verification and certification program that will allow builders anywhere to build green homes.

Learn more about green building guidelines

What makes one home greener than another? When you're buying a new home, here are three simple ways to “go green” that go beyond reduce, reuse and recycle.

Learn how to "go green" when building your new home