The Energy Star program is run by the US Environmental Protection Agency and the US Department of Energy. It is a great idea and has helped manufacturers move toward more energy efficient products in many different areas. Unfortunately though since it is a program paid for with tax dollars it has to be limited in scope or targeted so that the products it covers would be something that the majority of tax payers could see a benefit in.
It would be really great if Every product or innovation that reduced the energy required could be considered however such is not the case. Understandably the program is focused on general energy consumption of household products, washing machines, refrigerators, and materials used in home construction that reduce energy needs.
Some products used in the home, for example computers are included, others in particular pools and spas are not. Unfortunate considering the percentage of household energy consumption that goes into a pool or spa. We have even seen the Energy Star logo used in advertising spas even though the Department of Energy has clearly stated that it will not consider such a product for inclusion as an Energy Star Partner...