http://www.articleheaven.net en-us editorial@articlealley.com This easy to read guide may help you to understand how the instruments are classified as to achieve efficiency, which means that assessment, and what you're looking for while shopping for new hardware. Energy Star label is the government's seal of appr... http://www.articleheaven.net/buying-guide--understanding-energy-efficient-ratings-1569630.html 26th May 2010